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US 6337323 B2 Abstract Chemically stable, insecticidally active pellets having a low moisture content and at least about 95% active ingredient are described, as well as a method for manufacturing them. The active ingredient is selected from a class of N-hydrocarboyl phosphoroamidothioate and phosphoroamidodithioate compounds as described in the specification. The pellets generally have a moisture content of about 0.5% by weight or less, preferably less than about 0.3% by weight. The pellets can be produced by one of two types of processes as described in detail, including a high pressure axial extrusion process and a low pressure basket extrusion process.
Claims(15) 1. Chemically stable insecticidal pellets consisting essentially of acephate as an active compound, up to about 3% by weight of a vinylpyrrolidone-vinyl acetate copolymer as a processing aid, and water in an amount up to about 0.3% by weight, said pellets having a bulk density of about 26-31 lbs/ft3.
2. The chemically stable insectical pellets according to
3. Chemically stable, low moisture content pellets having a bulk density of about 26-31 lbs/ft3, comprising an insecticidally active compound and up to about 0.3% by weight water, said compound being of the formula:
wherein R and R1 individually are an alkyl, alkenyl or alkynyl group containing up to 6 carbon atoms, R2 is hydrogen, an alkyl group containing 1 to 18 carbon atoms, a cycloalkyl group containing 3 to 8 carbon atoms, an alkenyl group containing 2 to 18 carbon atoms or an alkynyl group containing 3 to 18 carbon atoms, R3 is hydrogen or an alkyl group containing 1 to 6 carbon atoms, and Y is oxygen or sulfur,
said pellets having been made by a process comprising the steps of
providing a powder comprising at least about 95% by weight of the insecticidally active compound,
contacting the powder with water to form a damp or wet mixture, and thereafter extruding an extrusion product from the damp or wet mixture,
forming pellets from the extrusion product, and
drying the pellets to a moisture content of less than about 0.3% by weight, wherein the process is carried out in the absence of organic solvents.
4. The chemically stable, low moisture content pellets according to
5. The chemically stable, low moisture content pellets according to
6. The chemically stable, low moisture content pellets according to
7. The chemically stable, low moisture content pellets according to
8. The chemically stable, low moisture content pellets according to
9. The chemically stable, low moisture content pellets according to
10. The chemically stable, low moisture content pellets according to
11. The chemically stable, low moisture content pellets according to
12. The chemically stable, low moisture content pellets according to
13. The chemically stable, low moisture content pellets according to
14. The chemically stable, low moisture content pellets according to
15. The chemically stable, low moisture content pellets according to
Description This application claims benefit and priority under 35 U.S.C. � 119(e) of the following two U.S. provisional applications: Ser. No. 60/033,572 filed Dec. 19, 1996, and Ser. No. 60/039,504 filed Mar. 4, 1997, and is a divisional of U.S. application Ser. No. 08/992,714, filed December 17, 1997. The present invention is directed to chemically stable, low moisture content, insecticidally active pellet compositions and methods for their manufacture. Certain phosphoroamidothioates and phosphoroamidodithioates (collectively referred to as �phosphoroamidothioates� for convenience) are known in the art as having excellent insecticidal activity against a variety of insects and in a variety of environments. A particularly important commercial insecticide within this class of compounds is the insecticide acephate (generic name) or Orthene� (trade name), which can be systemically taken up by a plant so that insects which feed and/or live on the plant are killed, in addition to those insects which directly ingest or are contacted by the insecticide. Acephate and related compounds are described in U.S. Pat. Nos. 3,716,600, 3,845,172 and 3,914,417, which disclose that in addition to their insecticidal properties, the compounds possess very low mammalian toxicity. Orthene� is commercially produced as a technical grade chemical of about 97 to 99.5% purity, which is often referred to as acephate technical or acephate TG (technical grade). Acephate technical is commercially available as a powder, which has a tendency to clump or agglomerate. In the past, acephate technical has been applied to crops as a dust (for example, after exposure to moisture via rain, dew or irrigation), or in spray form as a water solution spray. Dusts are undesirable because of airborne contamination and handling difficulties, while liquid spray formulations involve solvent and packaging expenses, and container disposal requirements that detract from commercial desirability. Accordingly, in recent years, attention has turned to a pellet form of application for acephate and its related insecticidal compounds. Pellets have the practical advantages of eliminating dust problems and reducing offensive odors in comparison to powder forms because of a reduced surface area to weight ratio. However, problems have been encountered in these pelletization efforts and to date, high-strength acephate pellets have not been commercialized, most likely due to processing difficulties. Phosphoroamidothioate-containing pellets have been proposed in U.S. Pat. Nos. 5,075,058, 5,100,667 and 5,464,623, each of which is assigned to Chevron Research and Technology Company. Each of these three patents recognizes the difficulties in pelletizing acephate technical, and proposes certain types of pellets made, for example, by extrusion. For example, the '058 Chevron patent states in the paragraph bridging columns 2-3 that attempts to manufacture acephate technical pellets from acephate technical powder �have heretofore been unsuccessful�. Similar statements are made in each of the '667 and '623 Chevron patents. The present inventors have conducted considerable experimentation in the area of producing high-strength acephate pellets, and have confirmed the manufacturing difficulties which the Chevron inventors apparently experienced. Furthermore, the pellets and methods proposed for making them as discussed in the three Chevron patents leave considerable room for improvement. In this regard, while these patents generally describe extrusion of solid pellets, few details of the actual extrusion process are set forth. Moreover, the Chevron patents generally propose the addition of costly surfactants (see '667 patent), the combination of the phosphoroamidothioate with a second active ingredient (see '058 patent), and the creation of a mixture of the active ingredient with a solvent in an amount of from 3-25% by weight before extrusion. To satisfy the need in the art for a low cost, chemically stable, insecticidally active phosphoroamidothioate granular formulation, one of the present inventors developed an insecticidally active composition comprising particles prepared by the compaction of an admixture comprising ammonium sulfate and at least one insecticidally active phosphoroamidothioate. This composition and methods for its manufacture and use are described in U.S. Pat. Nos. 5,298,501, 5,352,674, and 5,369,100. As set forth in these patents, it was found that the use of ammonium sulfate in particular leads to a compacted composition which provides a high degree of chemical stability. U.S. Pat. No. 5,443,764 issued Aug. 22, 1995, and related U.S. Pat. No. 5,622,658 issued Apr. 22, 1997, each assigned to ICI Australia Operations Proprietary Ltd., disclose a process for the preparation of water-dispersible granules. The process comprises mixing the desired ingredients of the granules to form an extrudable composition, extruding the mixture and rolling the extrusions to break them down into granules. In contrast to the pellets of the present invention, the granules disclosed in these ICI patents are designed to have rapid dispersion and superior suspensability in water. The granules of the ICI patents comprise an active agricultural chemical (including, e.g., insecticides) and normally have a surfactant component and/or a binding agent. The particular class of insecticidal compounds included in the pellets of the present invention are not disclosed in the ICI patents, although a wide variety of insecticidal active ingredients are stated to be useful. Thus, there is a need in the art for chemically stable, high strength, insecticidally active phosphoroamidothioate pellets which are useful from a practical standpoint, as well as for a low cost, practical manufacturing technique which can be practiced on a commercial scale without requiring expensive additives or solvents. One object of the present invention is to provide chemically stable, high strength, insecticidally active phosphoroamidothioate pellets. Another object of the present invention is to provide a commercially viable process for manufacturing chemically stable, high strength, insecticidally active phosphoroamidothioate pellets having a low moisture content. Still another object of the present invention is to provide an economically practical process for producing such insecticidal pellets, which avoids the use of organic solvents and most other additives previously proposed. The above and other objects and advantages of the present invention can be attained by a process for producing low moisture content pellets comprising an insecticidally active compound of the formula: wherein R and R1 individually are an alkyl, alkenyl or alkynyl group containing up to 6 carbon atoms, R2 is hydrogen, an alkyl group containing 1 to 18 carbon atoms, a cycloalkyl group containing 3 to 8 carbon atoms, an alkenyl group containing 2 to 18 carbon atoms or an alkynyl group containing 3 to 18 carbon atoms, R3 is hydrogen or an alkyl group containing 1 to 6 carbon atoms, and Y is oxygen or sulfur, comprising the steps of feeding a powder comprising at least about 95% by weight of said insecticidally active compound to an extruder, feeding water to the extruder during at least a portion of feeding of said powder, the water contacting the powder to form a mixture, extruding an extrusion product while controlling the temperature within the extruder and the rate and quantity of water fed to the extruder to minimize tackiness and clumping together of the extrusion product, and forming pellets having a moisture content of less than about 0.5% by weight from the extrusion product. As discussed further herein, chemically stable pellets can be manufactured in accordance with the above process. In certain preferred embodiments, the pellets comprise an insecticidal compound as described above, preferably acephate, in an amount of at least about 97% by weight, more preferably virtually 100% by weight, and water in an amount of up to about 0.5% by weight. In other particularly preferred embodiments, the pellets have a low moisture content sufficient to avoid caking or compaction upon storage. Typically, moisture levels of about 0.3 wt % or less, preferably 0.2 wt % or less, will give unexpectedly good long-term storage properties, assuring flowability of the product. In addition to the above-described process, chemically stable pellets can be manufactured using a low pressure basket extrusion process, comprising the steps of providing a powder comprising at least about 95% by weight of the above-described insecticidally active compound, contacting the powder with water to form a damp or wet mixture, and thereafter extruding an extrusion product of predetermined diameter from the damp or wet mixture, forming pellets from the extrusion product, and drying the pellets to a moisture content of less than about 0.5% by weight. Preferably the drying conditions are controlled so that the resultant pellets have a moisture content of less than about 0.3% by weight. FIG. 1 is graph showing water content vs. flowability for pellet samples stored at 40� C., as discussed in Example 8 below. FIG. 2 is graph showing water content vs. flowability for pellet samples stored at 50� C., as discussed in Example 8 below. In the present invention, the term �phosphoroamidothioate� refers to a compound or a mixture of compounds of the formula: wherein R and R1 individually are an alkyl, alkenyl or alkynyl group containing up to 6 carbon atoms, R2 is hydrogen, an alkyl group containing 1 to 18 carbon atoms, a cycloalkyl group containing 3 to 8 carbon atoms, an alkenyl group containing 2 to 18 carbon atoms or an alkynyl group containing 3 to 18 carbon atoms, R3 is hydrogen or an alkyl group containing 1 to 6 carbon atoms, and Y is oxygen or sulfur. Such compounds are sometimes characterized in the art as N-hydrocarboyl phosphoroamidothioates and phosphoroamidodithioates (see, e.g., U.S. Pat. Nos. 5,075,058, 5,100,667 and 5,464,623 discussed above). It would be apparent to one skilled in the art that the same class of insecticides is intended for use in the present invention as in the patents described in the Background of the Invention. Particularly preferred compounds for use in the present invention are those in which R and R1 are independently a methyl, ethyl, allyl or alkenyl group; R2 is H or an alkyl group; R3 is hydrogen; and Y is oxygen. The most preferred compound, acephate, is that in which R, R1, and R2 are methyl groups, R3 is hydrogen and Y is oxygen. Compounds of the above formula may be prepared as described in U.S. Pat. Nos. 3,176,600, 3,845,172 and 3,914,417, each of which is incorporated herein by reference in its entirety. Acephate is commercially available in high strength technical form from Chevron Chemical Company, San Ramon, California. Such high strength acephate technical is sold under the trade name of Orthene� 97SP, typically contains acephate in at least about 97% purity, the remainder being impurities, and is sold as a powder. It is preferred that the active ingredient comprise as close to 100% of the technical powder as possible. Acephate contents of about 99 to 99.5% purity are common and are most preferred. As noted above, acephate technical powder has a tendency to clump and agglomerate over time, and has proven to be difficult to process, as recognized in the art. One or a mixture of the above compounds forms the insecticidally active component in the pellets of this invention. The present invention is particularly directed to formation of �high strength� phosphoroamidothioate pellets containing a minimum of about 95% by weight active ingredient, preferably at least about 97% by weight active ingredient, and most preferably as close to 100% by weight active ingredient as possible (e.g., in the range of about 99 to 99.5% by weight). The pellets are characterized as having a �low moisture� content, which means that they can contain water in an amount up to about 0.5% by weight. In the present invention, the phrase �up to about 0.5% water� means from relatively small amounts on the order of 0.001% by weight (although moisture measurements at this level are difficult to make, it is believed that even where the pellets are dried to remove moisture or where the pellets are stored under low humidity conditions for a significant time, the pellets do not become completely moisture-free) up to about one-half percent by weight. Moisture amounts generally fall into the range of about 0.05 to about 0.5% by weight, preferably from 0.1 to 0.3% by weight. One of ordinary skill in the art would understand that the upper specified limit is not absolute, however, and that under certain conditions of high humidity and the like, the pellets might absorb moisture in quantities somewhat greater than 0.5%. Nonetheless, in view of moisture's deleterious effects on chemical stability of the pellets, an upper limit in the neighborhood of 0.5% by weight has shown to provide good results. Also, as discussed further below, a pellet moisture content of about 0.3% by weight or less, even more preferably 0.2% by weight or less, is preferred from the standpoint of excellent storage properties. Further, if desired the pellets can contain small amounts of a processing aid to enhance the ability of the active ingredient to be extruded. For example, extrusion tests have been conducted in which the active ingredient was pre-mixed with about 1.5% by weight of a vinylpyrrolidone-vinyl acetate copolymer (sold under the trade name Agrimer VA-6, available from ISP), and good results were obtained. On the other hand, the pellets of the invention can be suitably manufactured without the need for a surfactant or binding agent, as required in certain prior formulations. Thus, the pellets of this invention are desirable from an economical standpoint. Further, it has been unexpectedly discovered that the phosphoroamidothioate compound can be extruded into chemically stable pellets using only water as a processing aid, under the conditions discussed herein. Accordingly, while small quantities of processing aids other than water, such as Agrimer VA-6 or related vinyl copolymers, can be admixed with the active ingredient prior to extrusion, if desired, in amounts generally ranging from about 0.5% up to several or more percent by weight, the present inventors have determined that chemically stable pellets can be obtained without such processing aids, using acephate technical in particular. One of ordinary skill in the art would readily recognize, however, that minor amounts of processing aids and/or other inert ingredients could be admixed with the active agent, if desired, depending for example on the particular insecticidal compound selected, as long as the addition of such materials did not conflict with or adversely affect the basic characteristics of the pellets formed in accordance with the teachings of the present invention. In certain preferred forms of the present invention, the pellets consist essentially of acephate technical and water in an amount of up to about 0.5% by weight. Thus, depending on the purity of the technical reagent, it is possible in accordance with the invention to form chemically stable, high strength, insecticidally active phosphoroamidothioate pellets that contain virtually 100% (e.g., 99 to 99.5% or greater) active agent. To the best of the inventors' knowledge, chemically stable pellets of such high strength have heretofore never been manufactured. Such high strength pellets have significant advantages, such as permitting maximum concentrations of insecticidally active agent to be utilized in the field, and excellent stability. The pellets according to the present invention are typically cylindrically shaped, although they can take on any suitable shape in cross-section (e.g., hexagonal) depending on the shape of the extrusion die orifice. An average diameter of the pellet in cross-section can be from about 1 to about 7 mm, preferably 1.2 to 3 mm. Certain preferred pellets recently extruded using the high-pressure axial extrusion method described herein were cylindrically shaped and had a cross-sectional diameter of about {fraction (5/64)}″ (about 2 mm). The length of the pellets is variable, but typically is in the range of from about 3 mm up to about 25 mm, preferably from about 3 up to about 6 mm. The pellets produced according to the present invention are chemically stable, and have a commercially satisfactory shelf life on the order of about 2-4 years, during which time they generally remain free-flowing and avoid the raw powder's tendency to agglomerate. As discussed further below, it has now been discovered that excellent flowability can be mainitained over time when the pellets are produced so as to have a moisture content of about 0.3 wt % or less. The pellets generally have a white appearance but may have a yellowish tint, and are of sufficient hardness to avoid creation of significant quantities of dust during handling due to pellet crumbling and the like. For pellets produced by the high pressure axial extrusion process described herein, average bulk density has been determined to range from about 36 to about 40 lbs/cubic foot, and typically is about 37 lbs/cubic foot. Using the low pressure type of basket extrusion process also described herein, the average bulk density of the pellets typically ranges from about 28 to about 31 lbs/cubic foot. A significant advantage is that the pellets are preferably formed without the use of organic solvents, as discussed below, and without the use of conventional formulating agents which is not only advantageous economically, but which results in higher strength pellets, while still retaining sufficient physical properties such as hardness and reducing the offensive odors associated with prior powder applications. Once formulated, the pellets are useful in a method for controlling insects by application of the pellets onto the insects' habitat. In general, the pellets can be applied onto the habitat in an amount sufficient to provide acceptable control of the insects. In a preferred embodiment, the pellets are applied at a rate of at least about 0.5 lbs. active ingredient per acre and more preferably at a rate of from about 0.5 lbs. to about one lbs. active ingredient per acre. High Pressure Extrusion The pellets according to the present invention can be manufactured by a high pressure axial extrusion process as follows, using acephate technical as an exemplary insecticidal compound within the scope of the present invention. Acephate technical powder having a minimum purity of about 97% by weight (preferably 98% or greater, more preferably 99% or greater and most preferably 99.5% or greater purity) is first subjected to a delumping step in a conventional mill or the like, if necessary to reduce or eliminate clumps of material that may have formed due to the material's agglomeration tendency described above. Delumped technical powder provides for better flowability during extrusion. Next, the delumped acephate technical powder can be blended with a small quantity (e.g., from about 0.5 to about 3.0% by weight) of a processing aid (other than water), such as the Agrimer VA-6 copolymer described above. However, such a step is not necessary to achieve pellets in accordance with the present invention, but may assist flowability during extrusion, particularly for some insecticidal compounds. In some examples described below, a mixture of Orthene� 97SP (lot # R12095, target active ingredient=97.5%, assayed at 99%) and Agrimer VA-6 (lot # CC50907S) was prepared by blending in a mixer at a weight ratio of 2000 lbs/30 lbs=98.5%/1.5%. As described above, however, such processing aids are not essential in practicing the present invention. If desired, however, other processing aids besides Agrimer VA-6 can be used, as would be apparent to one of ordinary skill in the art. The blend thus formed, or the delumped technical, can be stored in drums until needed. Alternatively, delumping and blending, if carried out, can be part of a continuous in-line process. The acephate technical powder is then placed into a suitable apparatus for supplying the powder to the extruder. The supply can either be continuous over the course of a desired production run, or alternatively, measured batches can be supplied. In one embodiment, the powder feed system to the extruder was an Acrison Auger type feeder, modified with a large feed hopper into which the powder is placed. Using this apparatus the powder feed rate can be controlled as desired by calibrating a variable speed drive before start-up, and controlling the feed rate during operation. During pilot plant tests, the unit was calibrated to allow for a variable flow rate of from about 90 lb/hour to about 250 lb/hour, although it would be understood that actual flow rates during commercial production runs would depend on the particular equipment in use. In this first embodiment of a process for manufacturing pellets according to the present invention, the extruder is preferably an axial extruder, of which various types are known. In the tests using the modified Acrison Auger type feeder, the extruder was a Bepex 6-inch inch diameter Extrud-o-mixer extructor, a pilot scale model-of which larger versions exist (including one with a 12-inch diameter). The six-inch diameter refers to the diameter of the barrel or screw housing. The extructor includes an outer orifice plate or die located on the front end through which the screw pushes the material through multiple orifices under pressure. If desired, the extructor can also contain an internal orifice plate to improve mixing inside the barrel of the extruder. The holes in the outer orifice plates determine the shape of the extrusion product or extrudate. In most of the tests described herein, the holes were circular of about 2 mm (about {fraction (5/64)}″) diameter, which provided extrudate in the form of �noodles� or cylindrical pellets depending on their length. City tap water can be used as the water source for the process. In the pilot plant runs using the above-described equipment, the water was supplied to the extruder using a tap off of a city-feed line. A flow regulator was installed in the line which allowed regulation and monitoring of the water feed within ranges of from 4 cc/minute (about 0.5 lb/hour) to 50 cc/minute (about 6.6 lb/hour). The point at which the water contacted the powder in the extruder was about six inches downstream from where the powder entered the extruder. An important aspect of this particular embodiment of the present invention relates to the actual extrusion step. It has been unexpectedly discovered that both the temperature of the extruder barrel during extrusion as well as the rate of water flow are key factors which determine whether commercially viable, high strength acephate pellets can be produced. During extrusion, temperatures inside the barrel tend to increase due to pressure build-up and material mixing. The amount of water added to the powder in the extruder directly affects the temperature inside the barrel. Further, test results have established that the most preferred temperature range within the barrel during extrusion of acephate technical is from about 145� to about 160� F.; within such a range, the acephate material reaches a semi-molten state which has been determined to be important to successful extrusion. At higher temperatures within the extruder, the extruded noodles have a tendency to become too mushy and tacky, and thus stick and clump together. Within the preferred temperature range of about 145-160� F., a preferred rate of water addition was determined to be in the range of about 0.4 up to about 1.0% by weight water, and even more preferably around 0.5% by weight water. Neither the above-identified preferred temperature ranges or rates of water addition are absolute values. The important concept is one of controlling each of these variables, in tandem, to achieve the desired extrudate which is practically workable. For example, during start-up of the extruder, a higher amount of water should be used until the internal temperature reaches a desired level, at which point the rate of water addition can be decreased to be within the preferred ranges. Further, at higher temperatures it will be seen that lesser quantities of water are needed to give the desired noodle consistency, although at some point the temperature can exceed that at which the extrudate is practically useful because of undue tackiness. Such a point is believed to be reached when the acephate (or other active agent) exceeds its semi-molten state and melts. Of course, the extrusion temperature range preferred for other insecticidal compounds within the scope of the invention will vary depending on the melting point of specific compounds and the quantities of water employed. At lower temperatures within the extruder, the powder is less molten; conversely, a higher rate of water addition is typically required. In some cases, after start-up and with a relatively slow material feed, it may be possible to maintain the temperature within these preferred parameters while reducing water addition to a drip, or stopping it altogether for a portion of a run. In this regard, it will be apparent that the rate at which the powder is fed to the extruder will also impact the internal temperature of the extruder, with a slower rate/lesser quantity developing less internal heat, and a higher rate/greater quantity generating more internal heat. Thus, a key aspect of the invention is to carry out the extrusion step while controlling the temperature within the extruder and the rate and quantity of water fed to the extruder such that the extrusion product or extrudate has a consistency with minimal stickiness and clumping together. Also, an extrudate which is too wet due to excessive water addition is not preferred because it can lead to stickiness and/or a requirement for excessive drying of the extrudate for a period sufficient to achieve the target moisture level of about 0.5% or less. To aid in avoiding noodle clumping as the extrudate exits the extrusion die orifice, cooled air can be blown across the outer orifice to accelerate cooling and hardening of the noodles, with resulting decrease in tackiness as they harden. Alternatively, the throughput rate of the material being extruded can be lowered, giving the noodles more time to cool before coming into contact with each other. The extrusion product formed in the above manner is formed into pellets. This can be done by simply allowing the extrusion product to cool and harden, which will lead to formation of pellets of variable lengths. Alternatively, as the extrusion product exits the die plate, the product can be cut to appropriate size�for example, into more uniformly sized pellets of from 3-10 mm in length. Drying of the extrusion product can be performed, if desired or as necessary to obtain pellets having a low moisture content. For example, drying is more likely to be carried out on extrusion product formed at or shortly after start-up during which higher quantities of water are generally used and the noodles are wetter. The dryer can be a vibratory fluid-bed of suitable dimensions with steam-supplied heat. The exhaust is provided by a baghouse that pulls moisture and heat from the extrusion product. Temperature, airflow into, and amount of pull are all variable. The airflow and exhaust are adjusted to provide a fluidized bed of pellets and a slight negative pressure inside the dryer. Temperature is monitored at both the inlet and the outlet of air. The vibrating motion of the drying bed aids in reducing the length of the noodles, which can initially be quite long, but which break down upon cooling and hardening. In some instances a separate mechanical force (e.g., a Stokes delumper) could be applied to assist in breaking down the noodles into shorter pellets as well as breaking up clumps of noodles excessively stuck together, if it is desired to reduce the amount of overs. The dried pellets can be screened to eliminate fines and overs, if desired. Pellets within the size ranges generally described above can be obtained using an 18-inch Sweco fitted with 6-mesh and 10-mesh screens. Overs and fines can be recycled to the raw material hopper to be fed through the extruder again, if desired. The following Examples illustrate specific embodiments of the invention but should not be construed as limiting the scope of the claims in any way. In the Examples as well as other parts of this application, all parts, percents, ratios and the like are by weight unless otherwise indicated. RUN 9623201 Powder feed was started before the water at a rate of 90 lb/hr. The powder was a 98.5%/1.5% mixture of acephate technical and Agrimer VA-6, as described above. In the past it has proven best to begin extrusion a little on the wet side and slowly decrease the water to the desired rate. The desired rate (1.5%) for the 90 lb/hr of powder was 10 cc/m, or 1.3 lb/hr. The rate used at start-up was between 20 and 30 cc/m (2.6-4.0 lb/hr or 2.8%-4.3%) until noodles were formed. As soon as it was determined the extrusion process (forming noodles) was stable, the water was slowly cut back to between 4 and 10 cc/m. The extrusion process ran steady for over one hour. The material may have been too wet at the start. The initial noodles had a very wet look and had the tendency to stick together. The temperature of the extruder barrel increased considerably as the rate of water was decreased. The extrusion process was running stable. RUN 9623302 The purpose of this trial was to run continuously for one shift and collect data by monitoring flow rates and temperatures, and taking in-process samples for analytical and chemical analyses. Material was extruded wet at first (2.8%-4.3%) and visually had a very wet look again. Within 15 minutes the rate had been cut back to 5 cc/m (�0.5%) with the powder still feeding at 90 lb/hr. Once again the temperature increased as the moisture decreased. The process ran continuously until it was decided to shut down to add a scraper to the front of the extruder. The purpose of the scraper was to prevent noodles from getting too long and sticking together. Moisture samples were taken at the extruder and the dryer at 30 minute intervals. The average moisture of the noodles directly out of the extruder was 0.29% with a range of 0.11% to 0.42%. The average moisture of the dryer samples (dryer temp avg: 1300 F) was 0.31% with a range of 0.29% to 0.40%. The table below summarizes the in-process results which include moisture analyses (Mettler weight-loss and Karl Fischer) and assay. Once the temperature in-the extruder rose to about 150�-160� F., the process could be run while only adding little water. The rate of 5 cc/m was actually only a slow drip of water into the extruder. The noodles of extruded material did not seem to break from the extruder until they were very long. This raised two concerns: First, though the noodles break up in the dryer and during screening and handling, the longer noodles often do not break up enough to pass through the avers screen during that step. That means a large quantity of overs is actually good pellet product, but just a little longer than the pellets that were screened as product. Second, because of the configuration of the face plate that holds the outer orifice plate in place, the long noodles were getting caught behind the spokes of the face plate and were being bunched up due to the material being pushed out behind. The semi-molten state of the material being extruded contributed to this condition because the material is tacky as it is extruded and noodles already have the tendency to stick together. A fan was positioned so that it blew air across the die plate in order to cool the noodles quicker as they exited the extruder. The fan seemed to reduce the tackiness because the moving air would cause the noodles to cool quicker therefore making them less tacky, thereby preventing them from sticking together. Tackiness could be reduced even more by blowing chilled air across the noodles and/or slowing the feed rate so that the noodles have more time to cool before being pushed forward by material behind. RUN 9623303 The purpose of this trial was to extrude using a scraper against the outer plate in order to cut the noodles as they were formed therefore preventing them from becoming too long. After Run 9623302 was shut down, the scraper was added quickly without cleaning the holes in the outer plate or clearing the material out of the extruder barrel. The scraper was attached, the face plate was attached and the unit was started up immediately. This all took place in five minutes from the shut down of the previous run. It was not possible to extrude material through the holes of the outer place but material did ooze out from between the shaft of the extruder and the center of the plate where the shaft protrudes. The material hardened as it oozed out creating �potato chip� looking pieces. The unit was shut down for a thorough cleaning. The material in the extruder and in the holes of the outer plate became very hard when the unit was shut down and had a few minutes to cool. This is consistent with the theory that the material is semi-molten when it is extruded at a low moisture because of the way the material hardened into big blocks as it cooled. It cannot be ruled out however, that the pressure inside the extruder as well as the tendency of Orthene to harden probably also contributed to the hardening effect that was observed. RUN 9623304 The purpose of this trial was to run with the scraper in place. The extruder was cleared out and the outer plate was cleaned with steam to clear the holes. Extrusion was started on the wet side and noodles were formed but the scraper seemed to �smear� the material across the plate rather than cut the noodles cleanly. This was attributed to the scraper not being strong enough to withstand the pressure of the material being extruded. If a scraper made of a stronger material was used, it might have worked. Too much material was fed to the extruder too quickly and when the pressure became too great inside the barrel the screw seized and the unit was shut down. RUN 9623305 The purpose of this trial was to prove it was possible to start up again and run for at least an hour. The two previous trials resulted in complications that caused a shut-down of the unit. Start-up went well (similar to Run 9623302) and the process ran for one hour. Moisture samples were taken at the extruder and dryer. The extruder sample had 0.09% water and the dryer sample had 0.10% water. RUN 9623306 The purpose of this trial was to test prepare high strength pellets without any processing aids, such as the Agrimer VA-6. Orthene Technical powder was run immediately following the Orthene/Agrimer mix during Run 9623305. The process ran continuous with no problem; about 50 pounds of Orthene Technical was run. No moisture data is available. RUN 9623401 The purpose of this trial was to produce pellets with a diameter of 1 mm; up until this point the pellets described in the previous runs had a diameter of 2 mm. All parameters remained the same; feed rate, water feed, dryer temperature, and extruder RPM. Material was extruded wet at first and was slowly dried out (meaning the water feed rate was reduced) until the rate of water addition was at 0.5%. The noodles were visually acceptable until the temperature rose to 180� F. in the extruder. At this point the material was very mushy and the noodles were clumping together. The large �balls� of material were not breaking up in the dryer. It was attempted to run using no water at all. It is possible but not preferred because of the temperature increase. In order to decrease the temperature the rate of water feed was increased to 20 cc/m (or 2.6%). The temperature of the extruder dropped to 140� F. but the noodles looked wet and mushy. The water rate was decreased to 10 cc/m (1.5%) and the temperature rose to 153� F. The noodles did not seem to improve visually. Before shutting down an experiment was conducted to test the effects of slower feed rate on temperature. The Acrison was turned on and off repeatedly to give the simulation of a slower feed rate (<90 lb/hr). The water feed was kept at less than 4 cc/m and the temperature remained around 140�-150� F. The water feed was terminated and no apparent change in temperature was observed. Moisture samples at the extruder ranged from 0.40% to 0.62% and the single dryer sample registered a moisture level of 0.19%. It is seen that the temperature inside the extruder is an important factor. It already has been established that a higher temperature is necessary to set the material in a semi-molten state so that it can be extruded at a low moisture content. From what has been observed with acephate, the temperature in the extruder should preferably be in the range of about 145�-160� F. At higher temperatures the material becomes too mushy and tacky, and have the tendency to stick and clump together. It seems there are two factors that control temperature in the extruder. The first is the rate of water sprayed on the powder and the second is the rate of powder feed or overall rate of material sent through the extruder. During a production run, the temperature can be influenced using a water jacket on the extruder, if desired. RUN 9623501 The purpose of this run was to extrude about 300 pounds of Orthene Technical without added processing aids, formulating agents or use of organic solvents. When the 300 pounds was completed the remaining Orthene/Agrimer mix (98.5%:1.5%) would follow without shutting down. The outer plate with the 2-mm diameter holes was used with a dryer temperature of 110� F. After an hour of running, the steam to the dryer coils was cut off and �cool� air (80� F.) was sent through the dryer in order to cool and harden the noodles which were already under 0.5% moisture. The rater of water feed was settled at 4 cc/m but the powder rate was varied to test the limits of the extruder. The rate was measured by collecting material exiting the extruder for two minutes, weighing, and multiplying the result by 30 to get a rate in pounds per hour. At one point during the run the rate was 240 lbs/hr and by visually judging the look of the noodles at the extruder, this rate was too high. The noodles were being formed too fast and did not have time to cool and harden before coming in contact with each other. Because of this, the noodles were clumping together and were forming chunks that would not break apart in the dryer. The rate was slowed to 150 lb/hr and noodle quality improved. The switch from Orthene Technical to Orthene/Agrimer was smooth as expected. There were no changes in the quality of extrusion. The dryer was swept empty during the switch to ensure there was no mixing of material. Moisture samples were taken periodically from the extruder and the dryer. The average moisture at the extruder was 0.33% and the average moisture of samples at the dryer was 0.30%. After 2.5 hours of running the unit was shut down. There are no apparent differences in extrusion of Orthene Technical and the Orthene/Agrimer blend. The pellets of Orthene Technical seem to have a yellowish tint when compared to the bright white look the Orthene/Agrimer pellets possess. Though a high throughput rate can be run, it is not preferred because of the tendency of the noodles to stick together. A lower rate should be run so that the noodles have time to cool before coming in contact with each other. An alternative would be to blow chilled air across the front of the outer face plate in order to cool and harden the noodles as they are extruded. RUN 9623502 The purpose of this trial was to finish running the remaining material and to run rework. Rework consisted of screener fines and extruder clean-out. The majority of the rework was added to the Acrison hopper to blend it with the virgin material. A small amount (including some hard material) was added directly into the barrel of the extruder. The powder was fed at the rate of 90 lb/hr and the water was fed at 4-5 cc/m (0.5%). The system ran for 6 hours before shutting down due to no more material. The process ran smooth with no complications. Samples were taken every hour with an average extruder moisture of 0.42% (range: 0.19% to 0.99%) and an average dryer moisture of 0.25% (range: 0.20% to 0.31%). There seemed to be no complications with running rework either by mixing it with virgin material or adding directly to the extruder. The extruder screw did seem to strain a little to push the hard material through the outer plate but there was no visible slow-down in noodle production. The slower rate did seem to aid in preventing the noodles from clumping together. After the system stabilized at 90 lb/hr and 4 cc/m of water, there did not seem to be much material sticking together at the outer plate of the extruder. This was true for the entire 6 hours. In all of the above runs, screening was accomplished using a small Sweco fitted with a 6- and a 10-mesh screen. Before the material was screened it was fed through a delumper in order to break up some of the noodles that had stuck together and the long noodles. The delumper did, however, create some fines. The process itself did not create a large amount of fines. Because a large amount of the overs consisted of good product (longer pellets), the overs were rescreened twice in order to remove the good material. Pellets from the above runs were packaged in 200 lb fiber drums. Samples of each drum were collected, and the following physical and chemical analyses were completed: assay; dry sieve, pH, dissolution, friability, bulk density; and moisture. A brief description of the analytical methods is given in Table 1.
The results are presented in Table 2 below with samples numbers and run numbers being correlated as follows:
Low Pressure Extrusion The pellets according to the present invention can also be manufactured using a low pressure basket extrusion process, as described below using acephate technical as an exemplary insecticidal compound within the scope of the present invention. Low pressure basket extrusion processing has been carried out on a batch scale, as well as on a continuous process scale. For batch processing, the same type of delumped technical powder as described above for the high pressure method can be used. One particular batch of such a �premix� was prepared as follows: The acephate and the Agrimer VA-6 were mixed in a blender within the above-described proportions, at a 1,000 lb batch size. Product was blended and delumped through an air classifying hammermill. Premix was off-loaded into drums. The low pressure basket extrusion batch process generally involves kneading the premix in a kneader, and adding water in a desired amount. Testing proved that a water content of about 2-7% by weight, preferably about 2.0-3.5% by weight, was optimal to obtain very low moisture content pellets, although higher and lower amounts can be used, as long as the final pellets achieve moisture contents within the specified range. Addition of the water forms a damp or wet mixture. After kneading, the damp or wet kneaded mixture is placed into the feed hopper of a low pressure basket granulator, such as a commercially available model known as the BR-200 Granulator, and extruded through screens having holes of the desired pellet diameter. The wet, extruded noodles are then carefully dried to the desired moisture content. For this purpose, a fluid bed dryer, such as MDB-400, can be employed. As discussed below, by controlling the drying conditions, pellets having preferred moisture contents of about 0.3% by weight or less, preferably 0.2t by weight or less, can be obtained. Specific batches of pellets were prepared using the low pressure basket extrusion, as follows: 5 kg of premix (prepared as in Example 1) was weighed into a KDHJ-20 Batch Kneader. The specified amount of water was poured into the kneader, and the mixture was kneaded (mixed) for 4 minutes. The kneaded mixture was placed into the feed hopper of a BR-200 Granulator and extruded. The screens had 1 mm diameter holes. The wet, extruded noodles were swept into a pail for transfer to the dryer. The extruded noodles were placed into a MDB-400 Fluid Bed Dryer (bed area 0.4306 sq ft). The drying temperatures were in the range of about 130-140� F. range, and the residence times varied based on moisture content. For the repeat batches (10-25), an 18 min drying time was used. The raw data from twenty-three batches thus prepared is set forth below:
Product quality data were developed with sample data from-three batches: 2, 12 & 15. The test procedures are the same as outlined in Example 1 above.
Continuous processing using the low pressure basket extrusion process can be carried out as follows. The same premix technique to prepare a delumped powder as described above in Example 1 was employed. A typical batch size was about 2030 lbs. The continuous process is summarized below: Drums of premix are discharged into an elevator, and premix is transferred into a blender. Premix is lifted to another blender. This blender feeds an Acrison powder meter/feeder (140-P). Premix is fed through the Acrison (140-P) into a kneader (LCI 5BM-57). Water (about 3.5-5%) is monitored onto the powder bed in the kneader. The damp feed falls from the kneader into the extruder (LCI BR-200 Granulator). A pump and flow meter are used to control the water addition to the premix. The water and powder flow rates are controlled independently by the operators. Samples of the kneaded mixtures are assayed for water content on a � or � hour schedule. Water contents were varied (3-5.5.%), with the operators targeting a water content of about 4-5%. The damp premix is extruded through 1.2 or 1.5 mm screens. The extruded �noodles� are swept off of the extruder into a dryer. The movement of the noodles from the screen exit to the entry of the dryer and then through the dryer, which breaks the noodles into pellets of varying length. The pellets are dried in an 8 sq. ft. fluid bed dryer. Air inlet temperatures are maintained at about 130-140� F., with a target of 135F. Dried product is discharged into a screener (Sweco LS60C8888), set with 6 and 20 mesh screens. Oversize material (+6 mesh) is discarded. Undersize material (−40 mesh) is recycled into premix. Table 3 below provides data from thirty-one lots produced as described above:
In the above samples, the average acephate content was 97.59 weight %, well within the target content of 96% minimum acephate. The other characteristics shown above were generally within target ranges. Using the above-described continuous processing based on principles of low pressure basket extrusion, particularly preferred pellets can be obtained which have the following physical properties and/or characteristics (see Table 1 above for description of physical analyses methods):
The bulk densities for the preferred pellets produced by the low pressure extrusion process generally are lower than for the samples produced using the high pressure axial extrusion process described above. The preferred pellets are typically about 3 to 6 mm in length. The diameter is determined by the pore diameter in the screens of the basket extruder used in the manufacturing process. Particle length is determined by breakage of the extrudate as it exits the extruder and travels through a fluid bed dryer. A set of sieves at the final stage of the process excludes fines and large particles. Typically pellet preparations are sufficiently uniform that over 95% are captured on a 20 mesh screen which retains the 3-6 mm range pellet. As would be understand by one of ordinary skill in the art, the pellets of the present invention can contain other, optional ingredients, such as dyes, pigments and reodorants. The following example demonstrates this feature. Pellets were produced by the following laboratory procedure. Acephate technical and Agrimer VA-6 were dry blended in a jar in the amounts shown in Table 4 below. The mixture was twice passed through a small hammermill to delump the acephate and for further blending. The resulting powder mixture was transferred to a Cuisenart Pro Custom 11 food processor. Water (6 wt %) was added, and the mixture was stirred until a uniform damp mixture was obtained. The damp mix was added to an LCI Benchtop Granulator, fitted with screens with 1.5 mm diameter holes. The mixture was extruded, and the extruded mix was dried in an Aromatic Fluid Bed Laboratory Unit STREA I. The drying conditions were about 140� F., full air flow and 45 minute residence time. In the preparation of the pellets, dyes, pigments and reodorants were added to either the processing water (W) or to the powder premix (P), as shown in Table 4 (amounts in wt %). Both blue and black dyes (Pylam Products Victoria Blue B, Acid Blue 9, Acid Black 2), a pigment (Pylam Products Pigment Blue 29), and reodorant systems (Stepan Toximul 3406F and Quest N-6574) were tested as to their effects on the pellets.
Table 5 below shows measured properties of Samples A-G to which the dyes, pigment or reodorant had been added. In each instance, the physical properties including hardness, appearance, etc. were acceptable.
Although the above samples show that various optional ingredients are compatible with the Orthene pellets in amounts of about 0.025-0.015 wt %, greater or lesser amounts can be used, as desired. Generally, however, such additives are present in total amounts of less than about 1 wt %, preferably about 0.5 wt % or less, more preferably 0.25 wt % or less, and even more preferably 0.1 wt % or less. For example, a batch of pellets was prepared using 0.015 wt % Victoria Blue B, which worked well to dye the pellets to the desired color, without adversely influencing the physical properties or characteristics. Shelf life data from certain of the samples obtained according to Example 3 above, and whose physical characteristics are set forth in Table 3 above, are provided in Table 6 below:
The data in Table 6 demonstrate acceptable shelf life, both chemically and physically. Additional testing has been performed using a low pressure, continuous basket extrusion process. It has now been determined that the pellets of the present invention exhibit more preferred characteristics relating to storage stability and anti-caking and flowability properties at moisture levels below about 0.3 wt %, preferably below 0.2 wt %. These low moisture content pellets can be attained by appropriate adjustment of the process parameters, including the drying conditions. Orthene pellets were made by the following procedure, similar to that described above in Example 3. The same premix (acephate technical and Agrimer VA-6) preparation procedure was employed. See Example 1. Drums of premix were charged into a blender. The blender feeds a feed screw for powder addition to the kneader, an LCI 5BM-57. Water was metered to the kneader. Pressurized bottles (not a pump as in Example 3) provided the constant rate of water flow. A spray nozzle distributed the water onto the powder bed within the kneader. The damp acephate/Agrimer feed fell by gravity into the basket extruder, an LCI BR-450 Granulator. The water content was controlled so as to give a preferred moisture content of about 2.0 to 3.5 wt % of the kneaded mixture. In this example, the preferred water content is lower than that specified above for Example 3 (in Example 3, water content varied from 3-5.5 wt %, with a target water content of about 4-4.5 wt %) The extrusion and drier operational description was the same as set forth in Example 3, except that the product was dried in a 21 sq. ft., three-zone fluid bed dryer. Typically, the first two zones had a drying temperature of about 130-140� F., with the third zone operating at lower temperatures, generally from about 115-125� F. Overall drying time varies, but the pellets can typically pass through the three zones in about 10-15 minutes. The dried pellets were discharged from the dryer into a bucket elevator for transfer into a holding bin. Thereafter, the pellets were fed to the screener described in Example 3, and processed as described therein. It is preferred to ensure that the pellets have cooled to below about 95� F. prior to screening and packaging. To achieve the preferred target moisture content of about 0.29 wt % or less, control of the water content in the kneading step as well as the drying step is important. With some samples, a second pass through the dryer was necessary. One of ordinary skill in the art would be able to determine the appropriate specific conditions to obtain the target moisture level given the guidance provided herein. The results from 17 lots produced using this procedure are set forth in Table 7 below:
This example demonstrates the ability of low-moisture content acephate pellets to alleviate caking, lumping and compaction problems. As noted above, the acephate pellets of the present invention are high concentration, free-flowing, dust-free formulations which are water-soluble. Certain of the lots produced in Example 3 were packaged in 80 kg drums. An inspection approximately two months later showed that certain drums had compacted to approximately two-thirds their original volume and the product was no longer free flowing. This compaction, referred to as caking or lumping, is not preferred from a commercial standpoint, because aliquots must be poured from the drums for repackaging or for preparing spray solutions. Compaction is considered to be the product of certain variables. Moisture content has been determined to be the most important variable affecting compaction relative to the typical product storage conditions of 20-40� C. Elevated temperatures, e.g., 50� C., exacerbate the caking problem. By evaluation of various pellet lots which had been stored at temperatures of up to about 35� C. for over six months, we determined that at moisture contents of about 0.3 wt % and above, the pellets were generally caked to the extent that the pellets would not flow freely from the drum. Thus, it is preferred that the moisture content of the pellets be controlled to amounts less than about 0.3 wt %, more preferably less than about 0.2 wt %, to eliminate or substantially reduce compaction over time under typical storage conditions. 14 and 28 day accelerated aging tests were conducted to assess the role of water, temperature, and package size on the caking phenomenon. Package size was evaluated to assess the role of pressure on caking. For example, pellets in the lower portion of an 80 kg drum experience greater pressure than in a 40 kg or 20 kg drum. The aging test consisted of 18 drums of pellets manufactured using the low pressure basket extrusion process generally described above. Nine drums were stored at 40� C. and nine at 50� C. Drums were selected from two typical production lots and assigned the category �Lot A� or �Lot B�. The moisture content of the pellets in each drum was assayed at the start of the test, and the contents of each drum were passed through a screen of 0.25 inch opening to assure that the pellets were cake-free at the start of the test. A range of container sizes were evaluated: full drum, 80 kg; half full drum, 40 kg; and a quarter drum, 20 kg. Moisture content was measured at the end of each test period. A summary of the test protocol is as follows:
A rating scale was developed to evaluate the verity of caking and identify which drums would be acceptable for shipping to customers, as follows: 1=Free flowing, acceptable for shipping 2=Fragile cakes/lumps, sufficiently fragile they break apart upon pouring, acceptable for shipping 3=Caking that prevents pouring, unacceptable for shipping The results are shown in Table 8 below, and in FIGS. 1 and 2.
FIG. 1 shows the results at 40� C. and FIG. 2 at 50� C. In each graph the upper curve is the water content in weight percent and the lower curve is rating, multiplied by 0.1 to give a value that is conveniently plotted on the same scale as water percentage, i.e., a 0.1 is free flowing, 0.2 fragile lumps and 0.3 unacceptable lumping. Clearly there is a strong correlation between water content and caking for each temperature. A positive correlation between package weight and caking is less clear and a correlation between storage time and caking is not evident. Samples V-1 to V-4 show the results of a 90 day packaging test that included four 80 kg drums. The results were consistent with the other results shown in Table 8 e.g., at 40� C. a 0.59% water Orthene Pellet had more caking than a 0.20% water sample, the latter being the more acceptable material. At 50� C. for 90 days both a 0.30 and 0.39% water pellet showed caking to an extent that rendered the samples unacceptable. This is not unexpected for a 90 day 50� C. test. Importantly the caking phenomenon does not lead to product decomposition or physical breakdown of the pellet. Manually breaking the cakes by pressing them through a �-inch screen followed by drying to less than 0.3% water gives a free flowing product with virtually no generation of fines or dust. In summary we find that <0.30% water for storage at less than 40� C. and particularly less than 30� C. assures that the pellets according to the present invention will remain free flowing. While the invention has been described in detail and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope thereof. Patent Citations
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In every society, on nearly every issue, there are going to be skeptics. There will be critics, cynics and people who just want something to oppose. That's just how the world works.
However, just because you oppose something, you disagree with an issue, or you don't like the people talking about it, that is no reason to deny there's a problem to begin with.
Simpsonville Commission
holds special meeting
The Simpsonville City Commission will conduct a special called meeting today at 4 p.m. to discuss the purchase or sale of property. City officials declined to elaborate on the specific property. The meeting will be held at city hall.
'New Cool' up for award
Billy E. Yarnell II of 9881 Waddy Road in Waddy was indicted for planting, cultivating or harvesting marijuana with intent to sell or transfer, trafficking in marijuana, and illegal use or possession of drug paraphernalia.
Diane S. Yarnell of 9881 Waddy Road in Waddy was indicted for planting, cultivating or harvesting marijuana with intent to sell or transfer, trafficking in marijuana, and illegal use or possession of drug paraphernalia.
Claire Miertschin, injured and in pain, kept vigil over her dying friend throughout what she told her family was the longest night of her life, as they slept in a field in Haiti after the earthquake had battered their bodies and throw their mission trip into disarray.
Ken Franks of Bagdad is running for magistrate in District 4, the seat being vacated by Cordy Armstrong, who is retiring.
Franks, 47, is retired from a career in state government and now is working part-time at Clore-Argri-Co. on Eminence Pike.
Franks never has run for office before, but said he felt the time was right to do so.
"I have been in public service all my life, and it just seemed like a good time to do it," he said.
The first Sunday in January brought David Head, a former pastor at Graefenburg Baptist Church, back to Shelby County, to the pulpit at Highland Baptist Church on Mount Eden Road.
Since leaving in 1997, Head has led churches in Knoxville, Tenn., and was the Teaching Pastor at the 5,000-member First Baptist Church in Leesburg, Fla. Most recently, he had been in Lexington, the hometown of his wife, Paula.
There is a continuous struggle faced by many Kentucky Community and Technical College students. These students take lower-division level transfer classes taught by highly qualified faculty who have an expertise in teaching and learning, only to discover later that that the degree requirements have changed at the other institution.
Determining which community college classes will transfer to a 4-year university shouldn't be so difficult for students.
District court
Timothy L. Curtsinger, second-degree promoting contraband -- plead guilty -- 120-day sentence, serve 45 days, balance conditionally discharged for two years and $144 costs.
James B. Smith, speeding 14 mph over limit and operating on suspended/revoked operator's license -- plead guilty -- 30-day sentence.
Eric C. Catlett, first-offense DUI -- plead guilty -- operator's license suspended for 30 days and $728 fine and costs.
Jordan D. Moore, alcohol intoxication in a public place -- plead guilty -- $169 fine and costs.

subset: commoncrawl


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I drove spacecraft quickly flew to the moon, I'm flying out of the spacecraft touched the surface of the moon, surprised and said: "The original sand you." I suddenly remembered that 56 small turtle on the spacecraft. I quickly brought out carefully on the ground of the moon, for fear they fly away. Suddenly, from the spacecraft ran out of a german shepherd. Oh! I think of it, I bought the land for a dog, let it stay with me, so I'm not alone, I gave it the name "Spike". I looked at Spike d rose 3 for sale ran to the eastern side of the moon, I ran over to Spike mouth piece of meat, I was surprised to say: "stumped here inhabited?" Suddenly a figure uproar about Spike bite meat given away, Spike furious barking cried with Roar. The "stumped aliens?" I said aloud. "Yes, of course." Voice issued from behind a rock. Spike rear foot forced Yi Deng rushed up toward the stone behind. Behind a rock emits a blue light, the Spike frozen, I hasten to say: "I'm sorry alien me to the moon observed, not malicious, you ice it." "Well!" aliens. I saw a fireball launched into ice, slowly put the ice melts. Spike derrick rose 1.0 for sale came running towards me. "Hello, I am the astronaut from Earth." Said affectionately. Alien friendly: "I am pleased to meet you, you Come to my base." "Well!" I replied excitedly. "That Hurry up!" The alien said. We walked to the side of the chat, soon to alien bases space alien bases concave surface of the moon. Alien furniture all piled up with sand. "Your food is what?" I asked surprised. Our alien food is meat. "Aliens said solemnly.I would like to ask the aliens Zenmeyangzuo food when I vaguely heard someone calling me. I rubbed his eyes, and saw my mother was pulling me to go to breakfast too! I say out loud: "The original is a dream Yeah!"
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This incarnation of Senno Rikyuu appears in the Sengoku Collection anime series as a cryptic woman trapped in a land where rice, wheat, and grasshoppers are engaged in war.
This incarnation of Senno Rikyuu was created based off of a cell phone game by Konami Digital Entertainment. Her character design in the anime series is credited to Katsunori Shibata. Senno makes her first appearance in the Sengoku Collection episode Regent Girl where she is voiced by Saori Hayami.
Having already been taken to the world where rice, wheat, and grasshoppers are at war, Senno serves as a cryptic and mystic guide for Nobunaga Oda and Hideyoshi Toyotomi as they try to aid rice and make their escape from the bizarre land.
Name | Movies | TV Shows | |
Saori Hayami | 0 |
1 |
Name: | Senno Rikyuu |
Name: | 千利休 |
Romanji: | Rikyuu Senno |
Gender: | Female |
Birthday: | |
1st manga book: | |
1st anime episode: | Sengoku Collection #8 |
1st anime movie: | |
Aliases |
We don't have any info about Senno Rikyuu's related characters. Help us fill it in! |


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Pumpkin Tarts
Total Time
15 minsCook
30 minsyou can use canned pumpkin if you like the traditional thick texture and sweetness of store-bought pumpkin pie. I like using fresh cooked pumpkin as it's not overly sweet and much lighter and fluffier that way, almost like a mousse. you can freeze cooked pumpkin for many months so you can still make this outside of autumn, just be sure to drain it well when you thaw it. can also be made into a single-crust pie, just increase the cooking time to about an hour. new way to play with this: make just the filling in custard cups or muffin tins and serve with ice cream and butterscotch!
- pre-cook tart shells for 5-10 at 375 degrees, let cool for a few minutes. someday i need to try this using puff pastry pressed into muffin trays.
- while that's cooking dump everything else in the blender and mix on med for 1-2 min until well combined and frothy.
- pour liquid filling into tart shells.
- bake at 375 for about 30 min or until set but not dry.
Nutrition Info
Serving Size: 1 (22 g)
Servings Per Recipe: 30
- Amount Per Serving
- % Daily Value
- Calories 30
- Calories from Fat 5
- 17%
- Total Fat 0.6 g
- 0%
- Saturated Fat 0.2 g
- 1%
- Cholesterol 13.2 mg
- 4%
- Sodium 7.9 mg
- 0%
- Total Carbohydrate 5.8 g
- 1%
- Dietary Fiber 0.1 g
- 0%
- Sugars 5.1 g
- 20%
- Protein 0.7 g
- 1%
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Rent-A-Center Donates $20,000 To Atlanta Community Food Bank
Rent-A-Center today donated $20,000 to the Atlanta Community Food Bank (ACFB). The donation comes on the heels of a recent donation of 10 freezers earmarked for partner agencies of the food bank.
The ACFB, which serves the food insecure through more than 600 partner nonprofits in 29 counties throughout metro Atlanta and north Georgia, is one of eleven across the nation sharing in $250,000 worth of Rent-A-Center funding for hunger relief this year.
The donation is in addition to the grassroots hunger-relief campaign being staged across Rent-A-Center's 3000-plus U.S. stores throughout September. Dubbed "Soup to Nuts" and in support of Hunger Action Month, this virtual food drive leverages Rent-A-Center stores as collection points for cash donations. The donated funds will be distributed to food banks across the country at the conclusion of the month-long campaign.
"On behalf of the Atlanta Community Food Bank and our partner agencies, I'd like to thank Rent-A-Center for the wonderful donations the company has given us this month," said Sarah Fonder-Kristy, Vice President of Development for the Atlanta Community Food Bank. "The funds and freezers will truly help in our efforts to feed more people in our community."
Rent-A-Center (NASDAQ: RCII), headquartered in Plano, Texas, operates more than 3,000 stores in the United States, Puerto Rico, Canada and Mexico. The Company employs over 21,000 coworkers. Learn more at www.rentacenter.com. About the Atlanta Community Food Bank The Atlanta Community Food Bank (ACFB) began operating in 1979 from a small space at St. Luke's Episcopal Church. ACFB now distributes over 45 million pounds of food and grocery products each year from a 129,600 square-foot facility in N.W. Atlanta. The product is accessed by more than 600 partner nonprofits that provide food assistance to families and individuals in 29 counties across metro Atlanta and north Georgia. ACFB leads seven distinct projects that reinforce its mission to fight hunger by engaging, educating and empowering our community: Atlanta Prosperity Campaign, Atlanta's Table, Community Gardens, Hunger 101, Hunger Walk/Run, Kids In Need and Product Rescue Center.Check Out Our Best Services for Investors
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Didn't realize it was 21 years old when purchased - my mistake, I did not recognize the title. Once I began to listen to it, I realized I'd read it back when I used to read books 15 years ago - frustrated I wasted my money on book I'd already read.
I like Nora Roberts, but I've already read her books that were written 10 years ago or more. I definitely like her newer works more.
"Would have given less than 1 star if possible"
OMG!!! I cannot believe how horrible this book was. I've listened to hundreds of audible books and I've run across a few that just weren't for me, but never have I read a book that was more poorly written with less substance of story, a worse narrator, or less of a storyline.
I Really hated it. Can't believe this narrator gets work or that the author got published. I hope this is #1 in a series of 1, no one should have to listen to any more. He sounds like he's narrating a bad porn video - Don't know what else to say, I am still in shock at how poor the book was.
I read the 1st book in the series and enjoyed it, so I looked forward to reading the 2nd book when it was released.
I understand books in a series may carry some topics into the following books, but this one didn't resolve any of the important storylines. This 2nd book in the series was in NO way able to stand on its own and the ending was incredibly disappointing and anti climactic. Instead of solving the big plot line, and carrying a few threads into the next book, it was more like reading a few chapters out of the middle of a book without being allowed to read the ending or find out the answers to important plot questions.
The book couldn't stand on its own and did not entertain this reader in even a small way.. The book was just a big disappointment written in an incomplete way and it read as though the author forgot to include the end of the book or left the final chapters out. Not a book that will satisfying this reader. The book could not stand on its own and was just a huge disappointment.
Clearly the author was more concerned with continuing the series into the next book than she was with writing a quality book that could stand on its own while being able to entertain, interest, and satisfy a reader.
A waste of a credit and a waste of my time. I definitely will not continue with this series. There are too many other books that satisfy on their own, whether they are an individual book or one of a series
It would probably help the author to learn more about what makes up a succesful book and how to ensure the book can satisfy readers.
"Wish I'd known it was a religious book @ purchase"
I certainly have nothing against inspirational religious books, and if I want to read one, I'll search in that genre.
We all have our own backgrounds and individual characteristics and most books have fairly wide appeal. Others, are written for and appeal to a very specific audience. If nothing tells me otherwise, I expect a book to be fairly generic. I purchased the book, thinking it was a regular old romance, only to find out in the first minute of listening to it, that the book was "an inspirational story of religious devotion". Nothing against this particular genre, just not what I was looking for. I expected a generic romance. If that is what you are looking for, you may find the inspirational and religious components distracting.
If you enjoy this genre (and enjoy books of religious devotion and inspiration) and it matches your personal beliefs / practices, I recommend it. It contains many references to the character's "being good Christians",includes you in character's personal prayers and conversations with God, and references bible passages.
When I purchase a book, I want to know if it's content appeals to very specific audiences.
Audible, please make that info more clearly available BEFORE purchase, please! If a book is written to appeal to a very specific audience. This is not the first book I've purchased, only to find out in the first minute of listening, that the book's topic or genre was not what I'd expected or was looking for, and I'd wasted my money on a book I wouldn't read..
"A fast paced story"
You'll probably want to listen to it in one sitting just to find out what will happen next.
This is my second book in the King & Maxwell series. They never fail to get themselves into impossibly dangerous situations, but they seem to make it out of them as well... Another fast paced, exciting story from Baldacci.
The story involves many elements: A robbery where no one knows exactly what all was stolen, why the accused would get involved in such a big and complicated job after being on the straight and narrow for so many years, or why he'd be so sloppy, leaving many obvious clues behind; A rich, privileged, and troubled family somewhat like the "Ewings" of Dallas fame, with just as many complex issues driving their behavior; And finally, a maniac murderer who keeps killing people, leaving serial killer type clues behind and sending coded notes to the newspaper. Everyone is afraid because the killer doesn't seem to have any rhyme or reason with regard to how the victims are chosen. There are no identifiable victim types, no pattern or similarities between the victims, and no established relationship between victims from one killing to the next.
King & Maxwell better move very quickly to figure this case out because people just keep dying.
I bought this book a long time ago and it sat in my library. Finally I started reading another Baldacci book and couldn't get enough I've enjoyed all of them and look forward to reading more in the future.
This book kept me interested from start to finish. With lots of different plot lines and possibilities, I couldn't wait to hear what would happen next and who was involved. The book was hard to stop listening to because I wanted badly to find the answers to all the questions hanging in the air.
"Don't waste your money"
I wish books like this would carry warnings - so you'd know before purchasing, that the narrator uses a very strong English accent. I was only able to listen to about 10 minutes of it before I knew I'd wasted my money and there was no way I could listen to the annoying voice for another minute. Definitely wish I'd known before I purchased,about the narration
"Fills in some of Bosch's history for you"
Like all of the Connelly books I've read and especially the Harry Bosch series, I found this book very entertaining. It kept me in suspense and guessing non-stop.
It gave us a little more insight into Harry's past with his mother and after she was gone.
While on suspension for attacking his commanding officer, Harry looks into his mother's unsolved murder 30 years ago. In the process, he uncovers a great deal of information, much of it unexpected. You think the case is finally solved or you know who did the deed, only to be surprised by another turn in the case.
"Another good book by Grisham!"
I expect good books from Grisham. This one surprised me a little, not the typical edge of your seat mystery with non stop action, but kind of a nice change. It kept my interest, left me wondering how things could possibly work out for this unlikely bunch. It had me hoping against hope for the down trodden "little guy" even though there seemed to be no way it could work out for them - things seemed to get worse and worse. The Litigators was a really good listen - hard to stop listening when the time came. I wanted to keep listening to find out what would happen next. I recommend the Litigators.
"Excellent story line keeps you wanting to read on"
I expected a good romance from Nora Roberts, but got a great mystery too. It kept me wanting to read on (or listen on) so I could find out what what was going on, who was involved, and what would happen next. I highly recommend it - a good fast moving read.


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Eagle's Nest Mostly climbing
29 routes in area- 96% Unknown 3% Top Rope
- Grades: US
- Ascents: 4
First time here?
theCrag.com is a free guide for rock climbing areas all over the world, collaboratively edited by keen rock climbers, boulderers and other nice folks.
You can log all your routes, connect and chat with other climbers and much more...


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Book online or call:
Outside the UK call
Monday to Friday 9am - 5pm
Saturday and Sunday - closed
*calls may be recorded
Email us at firstname.lastname@example.com
Wildlife, Safari Parks & Zoos
Fort Augustus
See traditional Highland farm animals at Highland & Rare Breeds Park.
Arts & Crafts
Fort Augustus
Browse a stunning range of contemporary glass artwork at this glass blowing workshop and gallery in Fort Augustus.
Fort William
Ben Nevis Distillery is one of the oldest licensed distilleries in Scotland and is home to The Legend of the Dew of Ben Nevis Visitor Centre.
Arts & Crafts
Fort William
The Caledonian Bears are a unique collection of hand-made Scottish tweed teddy bears.
Nature Centres & Reserves
A magical mix of native pinewoods, glistening lochs and haunting moorland.
Fort William
Housed in an atmospheric simulation of caves, caverns and mining scenes Treasures of the Earth will leave you in awe at the wonders which lie beneath your feet.
Parks & Gardens
Fort William
Nevis Range in Fort William offer a unique mountain experience for people from all walks of life.
Arts & Crafts
Spean Bridge
Scottish Handmade Soaps & Skincare. Our natural skin care products are handmade with an emphasis on organic, fresh wild harvested ingredients and herbal therapy in the heart of the Scottish Highlands.
Nature Centres & Reserves
Glen Spean and the Great Glen area
Glen Roy is a National Nature Reserve managed by Scottish Natural Heritage.
Arts & Crafts
This small shop in Invermoriston near the banks of Loch Ness boasts an extensive array of handmade clogs, leather products and other goods.


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Cel-shaded realistic racer set to... hang on, don't go away
The only time you'll see a flying chicken
You say you want a revolution? You'll find nothing of the sort
Shell a shrimp speedily or burn in the hell of mama's eyes?
We'd rather bust a gut - with a hammer
Or: a videogaming lesson in ten parts
There's no business like snow business
More minigames for the Wii. Yay?
The mercury rising in the thermometer of rage approaches terrifying proportions
SpongeBob is back to rescue Bikini Bottom through repetition and mindless token collecting
So cute that we hate to hate it
The Corleones have one last favor to ask. Find out if this is an offer you can refuse
The only marble rolling game with farting panda bears
A forest and some boring bugs
A rather tedious and drawn-out experience
The least fun you could have at the fair. Ever.
Marble-related madness, no monkeys in balls necessary
If this is the hottest party you know of, you may need some new friends
Classy developers get watered down in their second outing
Though a little party tardy, Mario multiplayer shines
Log in using Facebook to share comments, games, status update and other activity easily with your Facebook feed.


text:
Basement Bar
What Houzzers are commenting on:
Perfect for basement
The counter and cabinets
Granite counter. Brown and charcoal to match cherry cabinets and dark wood floors or chocolate brown tile floor.
Like the idea of this bar / extra kitchen
stool high back
color of cabinets with counter
Small media room kitchen
Wetbar with full fridge
basement kichen corner
Love this
Down stairs bar
Back right corner
Basement kitchen
bar and cabinets?
Small and very functional
left wall
how the cabinet ends with the counter top
Hmm? Big fridge?
Bar Stools
Bar setup
Like the lights
Bar set up
Basement bar


text:
Top Jobs
- Multiple Locations
- 3/3/15
Tractor Trailer CDL - A
FLATBED TRACTOR TRAILER CDL-A DRIVER NEEDED FOR LOCAL ESTABLISHED COMPANY WITH LOCATIONS IN DELAWARE AND MARYLAND MINIMUM TWO YEARS FLATBED EXPERIENCE REQUIRED PERMANENT - FULL TIME POSITION TOP PAY AND BENEFITS HOURLY AND OVERTIME PAY PAID VACATION AND 401(K) HOME EVERY NIGHT - NO WEEKENDS EMAIL RESUME' TO: email@example.com NO PHONE CALLS / SEND RESUME BY EMAIL OR FAX
- Wilmington, DE
- 2/27/15
As a Human Resource Specialist (HR) (ER/LR) at the Wilmington VA Medical Center, the incumbent willProvide employee relations and labor relations advisory services based on knowledge of Federal laws, rules, and regulations.Will perform case and situation analysis of problems and apply knowledge and skills to solve diverse disciplinary issues, and provide accurate direction and instruction for procedural requirements on adverse and disciplinary actions.Help develop strategies and plans, develops new agency policies, procedures and guidelines when the issues under consideration are new and have...
- Multiple Locations
- 3/3/15
CDL B Driver
EXPERIENCED CDL B DRIVER NEEDED FOR ESTABLISHED COMPANY WITH 4 LOCATIONS IN DE & MD FOR DELIVERY OF BUILDING MATERIAL PRODUCTS (PRIMARILY BRICK, BLOCK AND STONE) BOOM OR TRUCK-MOUNTED FORKLIFT EXPERIENCE IS REQUIRED PERMANENT - FULL TIME POSITION TOP PAY AND BENEFITS HOURLY AND OVERTIME PAY PAID VACATION AND 401(K) LOCAL DELIVERIES - HOME EVERYNIGHT EMAIL RESUME' TO: email@example.com
- Newport, DE
- 2/5/15
CNC Machinist
Immediate opening for 1st class CNC machinist
Immediate opening for high quality individual or two in Delaware's premiere machine shop. We are looking for a highly skilled CNC machinist to setup and run CNC machining centers and CNC turning centers. Programming experience is a plus but not necessary. This is a full time, permanent position with pay commensurate to experience and excellent benefits. For a sneak peek into our world, please visit our website at www.delawaremetals.com.
- Chesapeake City, MD
- 2/2/15
Moon Nurseries in Chesapeake City, MD is seeking a full time mechanic. Minimum of 2 years of mechanical experience. Engine and diesel experience a plus. Fax resume to 410-755-6152 or call 410-755-6600, ext. 2215.


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Wonderful book May 7, 2009
by lnlemonlime
This book is a quick read. The writing is clear, concise and wonderful. The stories of the families are intense and profound.
It is a wonderful read, very sad at times and well worth the time.
I loved this book and have already sent this along to my sister for her enjoyment.


text:
I'm a normal man, but I have my own point of view about this life,
it can't be described in words, it's a behavior, attitude and
Join OkCupid
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matching system
—% Match
—% Enemy
37 • Moscow, Russia • Man
I'm looking for
- Women
- Ages 25–38
- Near me
- For new friends, long-term dating
My Details
- Last Online
- Jun 12, 2014
- Orientation
- Straight
- Ethnicity
- Middle Eastern
- Height
- 6′ 1″ (1.85m)
- Body Type
- Average
- Diet
- Mostly halal
- Smokes
- Yes
- Drinks
- Not at all
- Drugs
- Never
- Religion
- Islam, but not too serious about it
- Sign
- Capricorn, but it doesn't matter
- Education
- Working on masters program
- Job
- Science / Engineering
- Income
- $30,000–$40,000
- Status
- Single
- Type
- —
- Offspring
- Doesn't have kids, but wants them
- Pets
- Likes dogs
- Speaks
- English (Fluently), Russian (Okay), French (Poorly), Italian (Poorly), Arabic (Fluently)
Similar Users
What I'm doing with my life
Don't overthink this one; tell us what you're doing day-to-day.
I'm an aeronautical engineer in an international company, I live
and work in Moscow, I like sports so much, specially skydiving "I
made 152 jumps" and swimming.
I'm really good at
Go on, brag a little (or a lot). We won't judge.
Understanding people, cooking ;)
The six things I could never do without
Think outside the box. Sometimes the little things can say a lot.
Wallet, mobile, my mind, my own feelings(always true), car,
I spend a lot of time thinking about
Global warming, lunch, or your next vacation… it's all fair game.
crazy ideas
On a typical Friday night I am
Netflix and takeout, or getting your party on — how do you let loose?
one of my big secrets ;)
You should message me if
Offer a few tips to help matches win you over.
you are reading my profile now ;)


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Started this discussion. Last reply by mohe0001 Feb 15. 9 Replies 0 Likes
Started this discussion. Last reply by Sam Feb 1. 14 Replies 1 Like
Started this discussion. Last reply by Diabetic Dad Jun 16, 2014. 6 Replies 0 Likes
Join Diabetes community by Diabetes Hands Foundation: TuDiabetes
Stuart, I just saw your comment on Kittywolf's page and am extremely impressed with your communication skills and wisdom. You sound like a very cool person! I'm going to send you a friend request.
Stuart, having cool friends is super cool. Thanks for being my new super cool friend...................................Rick
Stuart congratulations on being named a featured member of the week.
Thank you for accepting my friend request. There are so many incredibly interesting discussions here on your page, and I really love the way you write.
Sorry for the delay. Ask away about the accupuncture.
Thanks for the link Stuart !! ...what a timing on your part...we saw out Vet ( who does teach Tai Chi ) on our walk the other day , who handed me a pamphlet re starting dates in our Community and I found this on FB https://www.facebook.com/TaiChiMastery?ref=stream . I have not committed myself to joining his group :)
PS...another story : his daughter is an insulin pumper
Thank you again for commenting on the November 2011 picture .I hope someone can answer your question about the name and that you will be able to locate a youtube video of this set ...let us now please.Please help me with locating your discussion about Martial Arts ??
Melissa Lee
Emily Coles (Head of Communities, has type 1) Mila Ferrer Mike Lawson Corinna Cornejo Desiree Johnson (Administrative and Programs Assistant, has type 1) |
Lead Administrator
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David (has type 2) |
This site complies with the HONcode standard for trustworthy health information: verify here.
© 2015 A community of people touched by diabetes, run by the Diabetes Hands Foundation.


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Tags mashups, party, chill
Genres mashup, electronic, hip hop, trip-hop, downtempo (beta) (flag as incorrect)
Artists OutKast vs Mumford and Sons, Wax Tailor, Pink Floyd vs The Bee Gees (beta)
Published May 04, 2011
Seventeen of the most glorious mashups you've heard on YouTube. Guaranteed. Pay no attention to the album names.
fantastic mix! c:!!!
Sleepykids is a new favorite!
This is my new ring tone "get Drunk Girls Back
wax tailor*
Thanks, folks! :)
i love this mix!!! FRIGGIN WONDERFUL!!!
I usually don't like mashups. But this mix is awesome. Only the best!
Myelloow!? K Byyyye! by vinkerekniv
A playlist I enjoy listening to on a daily basis.
mixtape, chill, mellow, alternative, party
Perpetually Played Mashups by vinkerekniv
Seventeen of the most glorious mashups you've heard on YouTube.
mashups, party, chill


text:
howling pipes
:(I renovated a bathroom, installed a new sink and ever since i cannot turn on the water to the sink due to excessive howling and vibrating pipes. it sounds very bad. the toilet runs fine, jacuzzi fine. help!
If this happens with both the hot and cold, start with the easiest inspection. Remove the aerator on the end of the spout and then turn on the water. The aerator will block anything in the lines from exiting and can cause noises. If that is not it, then you need to check either the washers on the end of the faucet stems (if a two handle faucet) or the cartridge if it is a single handle. You never know what may have been left in the faucet from the factory or how long it was stored. This could cause drying out of "O" rings and washers.
thank you for your response. I am goning to try this today. :)
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