Cire H2S da CO2 daga syngas fasaha ce ta gama gari ta tsarkakewa.Ana amfani da shi a cikin tsarkakewa na NG, SMR gyara gas, gas gasification, LNG samar da coke tanda gas, SNG tsari.An karɓi tsarin MDEA don cire H2S da CO2.Bayan tsarkakewa na syngas, H2S kasa da 10mg / nm 3, CO2 kasa da 50ppm (LNG tsari).
● Balagagge fasaha, sauki aiki, aminci da abin dogara aiki,.
Reboiler baya buƙatar tushen zafi na waje don samar da hydrogen daga iskar gas SMR.
(daukar iskar gas SMR gas tsarkakewa a matsayin misali)
Syngas yana shiga cikin reboiler na hasumiyar farfadowa a 170 ℃, sannan sanyaya ruwa bayan musayar zafi.Zazzabi ya faɗi zuwa 40 ℃ kuma ya shiga hasumiya mai lalata.Syngas yana shiga daga ƙananan ɓangaren hasumiya, ana fesa ruwan amine daga sama, kuma iskar gas ta ratsa ta hasumiya mai sha daga kasa zuwa sama.CO2 a cikin iskar gas yana sha.The decarbonized gas yana tafiya zuwa tsari na gaba don hakar hydrogen.Ana sarrafa abun ciki na CO2 na iskar gas mai lalacewa a 50ppm ~ 2%.Bayan wucewa ta cikin hasumiya mai lalata, ƙwanƙwasa bayani yana ɗaukar CO2 kuma ya zama ruwa mai wadata.Bayan musayar zafi tare da ruwa mai raɗaɗi a madaidaicin hasumiya na sabuntawa, ruwan amine ya shiga hasumiya mai sabuntawa don tsigewa, kuma iskar CO2 tana zuwa iyakar baturi daga saman hasumiya.Maganin amine yana mai zafi ta hanyar mai sake tafasawa a kasan hasumiya don cire CO2 kuma ya zama ruwa mai laushi.Ruwan da ba shi da kyau yana fitowa daga kasan hasumiya na farfadowa, bayan an danna shi sannan ya wuce ta wurin mai arziki da matalauta mai musayar zafi da na'ura mai sanyaya ruwa don kwantar da hankali, sannan ya koma hasumiyar decarbonization don ɗaukar iskar gas CO2.
Girman Shuka | NG ko Syngas 1000 ~ 200000 Nm³/h |
Decarbonization | CO₂≤20ppm |
desulfurization | H₂S≤5ppm |
Matsin lamba | 0.5 ~ 15 MPa (G) |
● Tsabtace iskar gas
● samar da hydrogen iskar gas
● Methanol hydrogen samar
● da dai sauransu.