▁therm od ynam ics ▁calculations , ▁re actions ▁support ▁and ▁pet role um ▁character ization ▁/ ▁hypoth et ical ▁component ▁generation ▁tools . ▁ ▁D W SI M ▁is ▁able ▁to ▁simulate ▁steady - state , ▁v apor – liqu id , ▁v apor – liqu id - liqu id , ▁solid – liqu id ▁and ▁a que ous ▁electro ly te ▁equilibrium ▁processes ▁with ▁the ▁following ▁Th erm od ynamic ▁Mod els ▁and ▁Unit ▁Oper ations : ▁▁ ▁Th erm od ynamic ▁models : ▁C ool Prop , ▁P eng – Rob inson ▁equation ▁of ▁state , ▁P eng – Rob inson - Str ÿ je k - V era ▁( PR SV 2 ), ▁So ave – Red lich – K w ong , ▁Lee - K es ler , ▁Lee - K es ler - Pl ö cker , ▁UN IF AC (- LL ), ▁Mod ified ▁UN IF AC ▁( D ort mund ), ▁Mod ified ▁UN IF AC ▁( N IST ), ▁UN I QU AC , ▁N RT L , ▁Ch ao - S ead er , ▁Gray son - St re ed , ▁Ext ended ▁UN I QU AC , ▁Ra ou lt ' s ▁Law , ▁I AP WS - IF 9 7 ▁Ste am ▁T ables , ▁I AP WS - 0 8 ▁Se aw ater , ▁Black - O il ▁and ▁S our ▁Water ; ▁ ▁Unit ▁operations : ▁C AP E - OP EN ▁Socket , ▁Sp readsheet , ▁Custom ▁( I