Izindlela Zokucleansa Umoya Wokugqibela: Izintechinoloji Ezine Eziyisisekelo Zizocacisa

Incazelo Yokunqamula

·Inkcazo yeMDEA ebeka umbiko wokukhupha:

Igasi lokulayisha lilahlekelwa ngapha kwehlelo lokuhlambalazekayo futhi lihlangene ngezansi yesilinda sokumelana, lapho sithinta isolution ephansi ye-MDEA eshiywe kulesohlangothini kuqondana nokudla okuphakade. CO₂ ne-H₂S zimelanelwa khona. Isolution engenamandla ihlukunyezwa ngokudala kwe-flash tank ukususa i-hydrocarbons, ikhanyiselwa kulean-rich solution heat exchanger, bese lihlangene ngezansi yesilinda sokubuyisa. Ngaphansi kwegasi likagereka kwi-reboiler, CO₂ ne-H₂S zibuyiselwa. Isolution esiphinde siphinde sabekwe silahlukaniswa, silahlazelwa, futhi silahliselwa kabusha emuva kusilinda sokumelana ukuzulazula. Igasi elihlangothini lesilinda lingathunyelwa amathuba okubuyisa isulfur noma izigaba ze-CO₂ liquefaction.

·Inkcazo yendlela yokususa umlilo we-Molecular Sieve:

Emva kokukhupha ukhaboni, igesi yamandla ingena eToweni A yokumeka, lapho amanzi akhokhelwa ngokukhetha yi molecular sieve bed. Igesi esuswe emuva ekhulula ukugcina kwezimali ≤ -60°C bese isendelwa phansi. Emva kokugcina kwamandla, Towere B ihlanjiswa ngenqubo yokubuyisa: igesi esuswe emuva noma inyuthini iyashiselwa kwiheiti bese isetshenziswa ukucwasa ngokudluliselwa ku-molecular sieve bed. Amakhulu okugcina akhokhelwa kusihlwanjini kanye asungulwe kusihambe. Ngemuva kwalokho, igesi esuswe emuva esibindi setshenziswa ukusabela phambi kwesihlwanjini ku-40°C, ukuqeda ukubuyisana kusimemeza. Izitoweri ezimbili zihlanjiswa ngokuzenzakalelayo ngamatshini aphrogramekile, ngehora yokuqala ye-8–12.