Ana iya magance iskar gas ta wutsiya daga masana'antar tsarkake iskar gas ta hanyar rage sha. Ka'idar tsarin ragewa da sha ita ce a samar da iskar gas ta wutsiya ta hydrogen, a rage abubuwan da ke cikin iskar sulfur a cikin iskar gas ta wutsiya zuwa H2S, a zaɓi a sha H2S da aka samar ta hanyar hanyar amine, sannan a sake farfaɗo da shi ko a ɗaga iskar, sannan a shiga sashin Claus don amsawar da ke yawo. Tsarin hydrogenation yana da babban jari da kuma babban kuɗin aiki. Duk da haka, yana iya samun yawan samar da sulfur mai yawa, kamar fiye da 99.8%, wanda ake amfani da shi sosai a ƙasashe da yankuna masu buƙatar kariyar muhalli mai yawa.
Hanyar rage shan ruwa ta ƙunshi waɗannan matakai: Tsarin Scot, tsarin HCR, tsarin resulf, tsarin bsrp da tsarin RAR.
Tsarin Scot wanda ake kira Scot yana nufin fasahar maganin iskar gas ta wutsiya na shukar Claus sulfur na Dutch Shell. Gabaɗaya, ana amfani da tsarin Claus na gargajiya (mataki biyu ko uku) don dawo da sulfur. Yawan dawo da sulfur na wannan tsari yana kusan kashi 95% ~ 97%. A cikin al'ummar yau, buƙatun kariyar muhalli sun fi girma, kuma fitar da iskar da aka yarda da ita ba ta da yawa. Idan sashin dawo da sulfur yana da babban ƙarfin aiki, ƙimar dawo da ita tana da yawa (kashi 99% ko sama da haka). A wannan yanayin, ya kamata a yi la'akari da tsarin maganin iskar gas ta wutsiya na Super Claus ko Scot. Duk da haka, idan ana buƙatar adadin dawo da ita ya kai fiye da kashi 99.5%, ana iya amfani da scot ne kawai.
Tsarin HCR fasahar tsarin HCR da kamfanin nigi na Italiya ya ƙirƙiro ita ma wani nau'in tsarin rage shan hydrogenation ne. Babban fasalin wannan tsari shine amfani da jinkirin ƙona wuta da zafin huhu na iskar gas na sarrafa sulfur don dumama iskar wutsiya, don haka babu buƙatar ƙarin dumamawa, don cimma sake amfani da zafin sharar gida da rage farashi sosai. Bugu da ƙari, wannan tsari baya buƙatar ƙarin hydrogen. H2 da aka lalata ta hanyar Claus tanderu mai zafi mai zafi ya isa ya rage sauran sulfur zuwa H2S.
Tsarin Resulf Tsarin resulf da kamfanin TPA ya ƙirƙiro ya haɗa da nau'ikan guda uku: tsarin resulf, tsarin resulf-10 da tsarin resulf mm. Kamar tsarin Scot, ana fara sanya iskar gas ta wutsiyar naúrar Claus a cikin tanda, sannan a haɗa ta da iskar gas mai ragewa da aka haɗa da H2 don rage iskar gas mai ɗauke da sulfur a cikin reactor zuwa H2S. Ana iya amfani da wannan tsari don inganta yawan dawo da sulfur na naúrar Claus da ke akwai.
Tsarin Bsrp an haɗa shi ne ta hanyar UOP da Parsons. Ana amfani da tsarin Bsrp galibi don maganin iskar gas na ɓangaren Claus. An yi amfani da wannan tsari sosai a duk faɗin duniya.
Jimlar adadin dawo da sulfur na na'urar Claus / bsrp zai iya kaiwa sama da 99.8%. Bsrp yana amfani da hanyar anthrone don sha H2S. Abubuwan da ke cikin H2S a cikin iskar wutsiya da aka fitar ba su da yawa, amma akwai matsalolin aiki da yawa.
Fasahar Rar KTI ta ƙirƙiro wani tsari na maganin iskar gas mai suna rar (ragewa, sha da sake amfani da shi). Tsarin ya dogara ne akan amintattun zaɓi masu rage zafi: ƙa'idar tsarin sanannu ne a masana'antar, wanda kusan iri ɗaya ne da na irin waɗannan hanyoyin da ake amfani da su a wasu aikace-aikacen makamancin haka. Tsarin Rar yana da ingantaccen aiki mai inganci, kuma ƙimar dawo da sulfur ɗinsa na iya kaiwa kashi 99.9%. Shi ne tsarin dawo da sulfur mafi inganci a cikin fasahar da ake da ita.
Lokacin Saƙo: Janairu-21-2022