Nau'in digester anaerobic
Masu biyowa jerin sassan nau'ikan digester anaerobic ne.Waɗannan matakai da tsarin suna amfani da narkewar anaerobic don dalilai kamar jiyya na ɓacin rai, takin dabbobi, najasa da samar da gas.Ana iya rarraba digesters anaerobic bisa ga ma'auni da yawa: ta hanyar ko an dai-daita yanayin halittu zuwa saman(cigaban da aka haɗe) ko zai iya haɗuwa da yardar kaina tare da ruwa mai reactor (dakatar da girma); ta hanyar adadin lodin kwayoyin halitta (masu tasiri yawan adadin iskar oxygen bukatar kowace juzu'i);ta hanyar tsire-tsire masu tsattsauran ra'ayi da tsire-tsire masu rarraba.Yawancin masu narkewar anaerobic a duk duniya an gina su ne bisa tushen narkewar anaerobic iri-iri, inda ake gaurayawan biomass (yawanci takin dabbobi) da ruwa daidai gwargwado don samar da slurry wanda abun ciki na daskararru (TS) yakai kusan 10-15%.Dukda yake irin wannan nau'in ya dace da yawancin yankuna, ya zama kalubale acikin manyan tsire-tsire inda ya buƙaci yin amfani da ruwa mai yawa a kowace rana, sau da yawa a wuraren da ke da ruwa. Nau'in digester mai ƙarfi, sabanin masu narkar da jika, yana rage buƙatar tsoma ƙwayoyin halitta kafin amfani da shi don narkewa. Nau'in digesters masu ƙarfi na iya ɗaukar busassun biomass mai tarin yawa (har zuwa 40%), kuma sun ƙunshi ɗakuna masu matsananciyar iskar gas da ake kira kwalayen fermenter waɗanda ke aiki a cikin yanayin batch-lokaci waɗanda ake loda su lokaci-lokaci kuma ana sauke su tare da ingantaccen biomass da taki. Reactor UASB da aka yi amfani da shi sosai, alal misali, babban mai narkar da haɓakar girma ne, tare da biomass ɗin sa ya dunkule cikin granules waɗanda za su daidaita cikin sauƙi kuma tare da ƙimar kaya na yau da kullun a cikin kewayon 5-10 kgCOD/m3/d.

Yawancin nau'ikan narkewar anaerobic na yau da kullun sune ruwa, toshe-gudanarwa da nau'in digesters mai ƙarfi.

Misalan masu narkewar anaerobic sun haɗa da:

 Anaerobic kunna sludge aiwatar
 Anaerobic clarigester
 Tsarin hulɗar anaerobic
 Anaerobic faɗaɗa-gado reactor
 Tace anaerobic
 Gado mai ruwan anaerobic
 Anaerobic lagoon
 Anaerobic MBRs
 Anaerobic migrating bargo reactor
 Batch tsarin anaerobic digester
 Ci gaba da zuga-tanki reactor (CSTR)
 Faɗaɗɗen ɓangarorin ƙwanƙolin gado mai narkewa (EGSB)
 Hybrid reactor
 Imhoff tank
 Reactor na cikin gida (IC)
 Digester anaerobic mataki daya
 Plug-flower anaerobic digester
 Mai watsa labarai anaerobic reactor mai nutsewa
 Sintex Digester
 Solid-state anaerobic digester (SSAD)
 Digester anaerobic mataki biyu
 Anaerobic sludge bargo narkewa (UASB)
 Haɓaka haɓakar anaerobic mai tasowa da ƙasa mai gudana

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