Ku soo dhawoow Shanghai Lianfeng Gas Co., Ltd., oo ah hormuudka soo saaraha dhalisa nitrogen, alaab-qeybiye, iyo warshad ku taal Shiinaha. Soosaarayaasha nitrogen-ka waxaa loogu talagalay inay bixiyaan xal la isku halayn karo oo kharash-ku-ool ah oo loogu talagalay warshadaha u baahan sahayda joogtada ah ee gaaska nitrogen-nadiifinta sare leh. Soosaarayaasheena nitrogen waxay ku shaqeeyaan iyagoo isticmaalaya habka loo yaqaan 'pression swing adsorption' (PSA) si loo kala saaro molecules nitrogen iyo hawada ku wareegsan. Hawada waa la isku cadaadiyaa ka dibna waxaa la sii maraa weel is-daba-marin ah oo ay ku jiraan walxo kaarboon molecular shaandho (CMS), taas oo si door ah u adkeysata ogsijiinta iyo gaasaska kale ee raadraaca, taasoo ka dambaysa qulqulka gaasta Nayroojin ee nadiifka ah. Iyada oo la adeegsanayo tignoolajiyada dhalisa nitrogen ee horumarsan oo hufan, ganacsiyadu waxay soo saari karaan gaaska nitrogen-ga ee goobta jooga, iyaga oo meesha ka saaraya baahida loo qabo keenista dhululubada nitrogen ee qaaliga ah iyo dhimista guud ahaan kharashyada hawlgalka. Alaabtayadu ma aha oo kaliya in la isku halleyn karo oo ay fududahay in la shaqeeyo, laakiin sidoo kale deegaanka saaxiibtinimo, iyaga oo ka dhigaya doorashada ugu fiican ee codsiyada warshadaha kala duwan. U dooro Shanghai Lianfeng Gas Co., Ltd. dhammaan baahiyahaaga abuuraha nitrogen oo khibrad u leh faa'iidooyinka tayada sare leh, xalalka hal-abuurka leh ee hoggaamiye warshadeed oo lagu kalsoon yahay.