Inqubo yokucubungula igesi yemvelo yokususa amanzi negesi ene-asidi
Ukucubungula igesi yemvelo inqubo yokususa umhwamuko wamanzi, i-hydrogen sulfide, i-mercaptan, kanye ne-carbon dioxide kugesi yemvelo. Imishini eyinhloko ihlanganisa iyunithi yokuphelelwa amanzi emzimbeni, iyunithi yokususa i-sulfurization, iyunithi yokususa i-carbonization, futhi ukubuyiselwa kwe-hydrocarbon elula iyunithi.
Ukuphelelwa amanzi emzimbeni
Izinqubo ezivame ukusetshenziswa emanzini egesi yemvelo zifaka phakathi ukujiya okuphansi kwezinga lokushisa, ukumuncwa okuqinile, ukumuncwa koketshezi, kanye nezindlela zokusebenzisa amakhemikhali.
Indlela yesihlungi sama-molecule kuyindlela yokuphelelwa amanzi emzimbeni ejulile evame ukusetshenziswa ezinqubweni zokuhlukanisa umswakama ophansi wokushisa, njengezinqubo zokubuyisa igesi yemvelo (NGL) kanye nokuphelelwa amanzi emzimbeni ekukhiqizweni kwegesi yemvelo encibilikisiwe (LNG). Ngaphezu kwalokho, ukuphelelwa amanzi emzimbeni ngesihlungo sama-molecule kuyadingeka nasekukhiqizweni kwegesi yemvelo ecindezelwe esetshenziswa njengophethiloli wezimoto.
I Inqubo yokuphelelwa amanzi emzimbeni ye-TEG ifanelekela ukuphelelwa amanzi emzimbeni ngegesi yemvelo enesivinini esikhulu sokugeleza kanye nezidingo zokunciphisa amaphuzu aphezulu okuwa.
Ukususwa kwe-CO2
Kunezindlela ezimbili eziyinhloko zokususa i-CO2 kugesi yemvelo: indlela yokumunca i-solvent kanye nendlela yokumunca.
Indlela evame ukusetshenziswa yokumunca i-solvent yisisombululo se-MDEA, futhi uhlelo luqukethe umbhoshongo wokumunca kanye nombhoshongo wokuvuselela.
Ukususwa kwe-PSA ku-carbonization uhlobo lwendlela yokumunca, olusekelwe kakhulu kubuchwepheshe bokumunca igesi ngokujika kwengcindezi, olufeza ukuhlukaniswa nokuhlanzwa kwegesi ngokushintsha izimo zokucindezela njalo.
Ukususwa kwe-sulphurization
Kunezindlela ezimbili eziyinhloko zokususa igesi yemvelo esibabule: ukususa i-dry sulfurization kanye nokususa i-wet sulfurization.
I inqubo yama-amine kusebenza lapho igesi yemvelo iqukethe inani elincane le-H2S kanye nesilinganiso se-CO2/H2S esiphezulu, kodwa okuqukethwe kwe-CO2 akuphezulu kakhulu futhi akudingi ukususwa kwe-CO2 ejulile. Le ndlela ingasusa ngempumelelo i-H2S kanye ne-CO2 ngasikhathi sinye.
Indlela yokuhluza yama-molecule ivame ukusetshenziswa ezinhlelweni zokusebenza ezidinga ukunemba okuphezulu kokukhipha i-sulfurization noma amazinga okugeleza aphansi.
I Inqubo ye-LO-CAT isebenzisa isisombululo samanzi esakhiwe ngama-sulfate, insimbi eyinkimbinkimbi, izithasiselo (ama-surfactants, ama-defoamer, kanye nama-fungicides) ukuze kukhishwe i-sulfurization. Indlela ye-Lo-Cat ifanele ukwelashwa kwegesi ye-asidi ehlukaniswe ngezindlela zamakhemikhali noma zokumunca ngokomzimba. Ngenxa yobubanzi bayo bokucubungula, ukuguquguquka okuphezulu kokusebenza, ukukhetha okuphezulu, kanye nobungane bemvelo, isibe ubuchwepheshe obukhethwayo bezinqubo zokubuyisa isibabule esincane.
Ukususwa kwe-Mercaptan
Ukususwa kwe-mercaptan ngegesi yemvelo ngokuvamile kusebenzisa indlela ye-sulfinol kanye nenqubo ye-hydrodesulfurization yokususwa kwe-mercaptan.
Indlela ye-sulfinol inezinzuzo zokusetshenziswa kwamandla aphansi, ukususwa kwe-sulfur ephilayo, amandla amakhulu okucubungula imishini, ukugqwala okulula, ukuqhuma okuncane kwegwebu, kanye nokonakala kwesinyibilikisi esikhanyayo. Ifaneleka kakhulu uma ingcindezi engaphelele yamagesi ane-asidi kugesi yokudla iphezulu. Le ndlela ayikwazi ukufeza ukususwa kwe-sulfurization ejulile futhi ivame ukusetshenziswa ekususweni kwe-sulfur engahluziwe. Idinga ukusetshenziswa kanye nezinye izindlela.
Inqubo yokususa i-hydrodesulfurization mercaptan kuqala iguqula isibabule esiphilayo sibe isibabule esingaphili, bese ihlukanisa isibabule esingaphili kusetshenziswa indlela yokumunca.
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