litaba

Lilemong tsa morao tjena, ha thekenoloji e ntse e hōla 'me e tsoela pele ho ntlafatsa kabo ea' maraka, indasteri ea petrochemical, olefin e hlahisa mekhoa e fapaneng ea tsoelo-pele ea thepa e tala, haholo-holo tlas'a semelo sa carbon habeli, litaba tse amanang le Bob propane, ke matla a takatso ea Leon, le the traditional oil olefin/coal to olefin/methanol to olefin, propane dehydrogenation process in propylene yield was high Thepa e tala ea ts'ebetso e le 'ngoe e Khutšoane, litšenyehelo tse tlase tsa matsete, melemo e phahameng ea moruo e hlahella Empa 'muelli oa propylene, propane dehydrogenation process products by. -product hydrogen, mohloli o le mong oa lisebelisoa tse tala o ka bolokoa feela tlhahiso ea polypropylene ea thepa e akaretsang, ka ho fihla ha potoloho e ncha ea potoloho ea katoloso ea polypropylene e etsa hore ho totobatse ho se lumellane ha sebopeho pakeng tsa phepelo le tlhoko, nts'etsopele ea polypropylene e phahameng e fetoha mekhoa e ka sehloohong ea tlhōlisano e fapaneng, ka potoloho ena ea tlhōlisano, propane dehydrogenation PP thekenoloji tlhōlisano qala ho oa, le hoja ho na le karolo ea khoebo Leha ho le joalo, ho hloka ethylene fetohile boto e khutsoanyane ea tshebetso PDH.Ho sa le joalo, China ha e na lisebelisoa tse amehang mme matla a phepelo ea hydrocarbon e bobebe ha a lekana.Boholo ba lisebelisoa tse tala li hloka ho romelloa ka ntle, kahoo botsitso ba thepa e tala e fetoha senotlolo sa nts'etsopele ea ts'ebetso ea hydrocarbon e khanyang Ho tloha 2014 ho ea ho 2018, morero o tloaelehileng e ne e le propane dehydrogenation.Leha ho le joalo, ho tloha ka 2018, botumo ba ho phatloha ha hydrocarbon e bobebe bo eketsehile ka potlako ka lebaka la ho feto-fetoha ha eona ho matla le ductility.Merero e meng ea liteko e kentsoe tlhahiso ka 2020.

Tlhahiso ea ethylene ea ethane, propane le butane cracking e phahame.Bakeng sa lik'hamphani tse sebelisoang ka botlalo tsa hydrocarbon, tlhahiso ea ethylene e na le tšusumetso e hlakileng haholo tlhahisong ea lik'hemik'hale tse tlase, 'me khetho ea tsela e tlase e na le maemo a holimo le sebaka sa khetho.Ts'ebetso e nang le lihlahisoa tse phahameng tsa propylene ke PDH MTP C / MTO, empa sehlahisoa se lebisitsoeng sa ho phatloha ha hydrocarbon e khanyang se na le chai e ngata 'me se ka boela sa hlahisa hydrogen e hloekileng e le sehlahisoa, se nkoang e le e' ngoe ea litsela tsa bohlokoa tsa ho fokotsa. ho itšetleha ka peterole le tšebeliso ea matla ea indasteri.Ka hona, ts'ebetso ea nts'etsopele ea merero ea ho phatloha ha hydrocarbon ea malapeng e potlakile haholo, 'me libapali tse ngata tse ncha tse se nang bokhoni ba ho sebetsana le oli e tala le tsona li kene ka tsoelo-pele e tsoelang pele ea lisebelisoa tse tala tse khanyang, litsela tsa ho fumana propylene li ntse li eketseha.Ka mor'a hore propane dehydrogenation, merero e khanyang ea hydrocarbon e ntse e eketseha butle-butle.Propane ha se feela thepa e tala bakeng sa dehydrogenation ho hlahisa propylene, empa hape ke thepa e ka sehloohong e tala bakeng sa ho phatloha ho hoholo ha hydrocarbon ho hlahisa propylene.Phapang ke efe ka sebopeho sa sehlahisoa pakeng tsa propane dehydrogenation le light hydrocarbon cracking?Ke ts'ebetso efe e tla ba le tlholisano ho feta litsing tsa tlhahiso ea nakong e tlang?Phahamisa propane joalo ka thekenoloji ea mantlha ea tlhahiso ea thepa e tala Khaello ea propylene naheng ea rona, motlatsi oa setso oa tlhahiso ea propylene e ke ke ea khahlametsa tlhokahalo e ntseng e eketseha ea lihlahisoa tsa propylene, ka nako e ts'oanang, nts'etsopele ea khase ea shale ea Amerika Leboea le Middle East e etsa tlhahiso ea propane. ho eketseha ha thepa e tsoang linaheng tse ling keketseho e kholo, ho phahama ha thekenoloji ea lehae ea propane e fana ka lisebelisoa tse lekaneng tse tala ho tšehetsa Mokhoa o bonolo oa tumello Phello e khutšoanyane le e potlakileng ea matsete a merero ea propane dehydrogenation e tlisitse menyetla ea tsoelo-pele ea moruo ea libaka tse lebōpong la leoatle Chaena.Propane dehydrogenation le merero e tsoakiloeng ea alkane dehydrogenation e ntse e eketseha Chaena.Mokhoa oa ho hlahisa olefin ka ho senya hydrocarbon e khanyang e ntse e phahama Mofuta o le mong kapa tse peli tsa butane) e le lisebelisoa tse tala bakeng sa ho phunyeha ha likhoebo tsa olefin butle-butle li ile tsa eketseha, tse kang Boralidek Basle Petrochemical Xinpu chemical Huatai Shengfu le mefuta e meng e 'meli ea tlhahiso ea Propane. dehydrogenation, e le mokhoa o mocha oa ho hlahisa propylene ho tloha propane e le ntho e le 'ngoe e tala, e hlahisa propylene e ngata ho feta leseli la hydrocarbon steam pyrolysis, empa ho boetse ho na le mathata a tekanyo e tlaase ea ho fetola tsela e le' ngoe le litlhoko tse phahameng tsa lisebelisoa tse tala.Kotulo ea propylene ea semela e ka fihla ho feta 80%, e ka tlisang thepa e ngata e tala bakeng sa propylene downstream Light hydrocarbon cracking e ke ke ea ntlafatsa feela tekanyo ea lihlahisoa tsa propylene / ethylene ea unit, empa hape le ho sebelisa ka botlalo lisebelisoa tsa tlhoekiso, e leng tataiso ea nts'etsopele ea sebopeho sa thepa e tala ea yuniti e pshatlehang.Tlas'a boemo ba ho potoloha ka botlalo ha propane, tlhahiso ea diene ea mokhoa o bobebe oa ho phatloha ha hydrocarbon e ka fihla ho feta 60%, 'me lihlahisoa tse hlahisoang li ngata ho feta propane dehydrogenation.

Propane dehydrogenation alternaria alternata propylene by-product hydrogen gas, haeba sehlahisoa sa hydrogen ntle le mechine ea thekiso, se ka chesa feela joaloka khase ea mafura, se tla ama moruo oa propane dehydrogenation ka ho toba, ha se bapisoa le ho phatloha ha hydrocarbon, propane dehydrogenation (hydrogen burn) yuniti litšenyehelo tsa olefin e batlang e phahame ho feta propane dehydrogenation process, lihlahisoa tse ka sehloohong tsa khanya ea hydrocarbon cracking bakeng sa ethylene propylene, ka-sehlahisoa hydrogen mafura khase motsoako oa carbon tse 'nè Mixed carbon tse hlano, ka rarolla propane dehydrogenation ka boeona ntle le ethylene le butene masoabi, pyrolysis ea lihlahisoa tsa lihlahisoa li ka boela tsa hlokomela bohlokoa ba tsona, ka nako e ts'oanang li na le molemo oa litšenyehelo tse tlaase, li ka ba 'marakeng oa copolymerization e sa laoleheng le phello ea copolymerization, moruo o eketsehileng lilemong tsa morao tjena Indasteri ea matla a hydrogen e na le matla a matla a ho khanna leano. .Ka nako e ts'oanang, ka keketseho ea palo ea maemo a ts'ebeliso ea li-terminal, lehlakore la tlhokeho ea 'maraka le boetse le matlafalitse indasteri ea matla a hydrogen butle butle ho isa bohōleng bo itseng, mme likhoebo tse ngata tsa lehae tsa propane dehydrogenation li se li qalile ho ela hloko kapa esita le moralo. liteishene tsa bona tsa thekiso le merero ea ts'ebeliso ea haedrojene ka sehlahisoa Tabeng ena, propane dehydrogenation, ebang e rekisoa e le hydrogen ea indasteri kapa e le mafura a theko e phahameng haholo a cell hydrogen kapa esita le purity hydrogen e phahameng, e tla fana ka phaello ea moruo 'me kahoo e matlafatse phaello ea lik'hamphani tsa propane dehydrogenation. .Ha ho bapisoa, theknoloji ea propane dehydrogenation e na le ts'ebetso e khuts'oane le tšebeliso e tlase Puno e phahameng le litšenyehelo tse tlase tsa matsete a sesebelisoa se le seng sa lisebelisoa.Haeba e ka kopanngoa le lisebelisoa tsa ho hloekisa tse potolohileng ho fana ka haedrojene bakeng sa ho hloekisa le ho eketsa melemo ka ho fana ka lisebelisoa tse tala, molemo oa ho phatloha ha hydrocarbon o bobebe o teng ka tekanyo e kholo ea lichelete, lihlahisoa tse sa tšoaneng le bokhoni bo matla ba ho hanela likotsi tsa 'maraka.Moruo oa bobeli o itšetlehile haholo ka theko ea ethylene le Propylene: Tsela ea propane dehydrogenation e na le chelete e ngata ha theko ea ethylene le propylene e le haufi, 'me tsela e khanyang ea hydrocarbon e senyang chelete e ngata ha theko ea ethylene e phahame ho feta propylene.

Propane dehydrogenation e tala thepa e le 'ngoe, e sebelisa propane feela e le lisebelisoa tse tala, sehlahisoa feela sa propylene le ka-sehlahisoa sa hydrogen, ts'ireletso ea tikoloho e tlase, eseng feela, e ntse e ka fokotsa likotsi tsa lintlha tse ling, e ntse e le ncha ka har'a khetho ea mantlha ea thekenoloji ea khoebo. boholo ba tlhahiso ea China ea PDH sesebediswa matching downstream sesebediswa, indasteri kopanyo mokhoa ho hlakile hore, empa nako e telele, the downstream indasteri sebaka sa ntshetsopele ya ketane ke moqotetsane, Market khatello e khōlō, ka lapeng polypropylene bokgoni ba tlhahiso e imenne habeli ka tlhōlisano e mabifi marakeng, Tlholisano ea morero oa ethylene propane dehydrogenation e bohlokoa ho hlahlojoa bocha.

Ha ho bapisoa le propane dehydrogenation, mokhoa o bobebe oa ho phatloha ha hydrocarbon o na le tharollo ea lihlahisoa tse fapaneng le tšusumetso e matla ea mmaraka.Ha ho bapisoa, moruo oa propane dehydrogenation process haholo-holo o itšetlehile ka phapang ea theko pakeng tsa propylene le propane.Ha theko ea 'maraka ea propylene e fetoha le ho fokotseha, moruo oa propane dehydrogenation process o tla fokotseha haholo.

Bakeng sa indasteri ea polypropylene, mohloli oa propane o ikarabella bakeng sa karolo e nyane, le hoja e eketsehile ho tloha ho 7% ka 2015 ho ea ho 15% ka 2022, e ntse e sa nke karolo e ka sehloohong 'marakeng' me e na le tokelo e fokolang ea ho reka lihlahisoa tsa polypropylene.Leha ho le joalo, ka nts'etsopele e tsoelang pele ea matla a bobebe le lisebelisoa tse tala tsa lik'hemik'hale Chaena, mokhoa oa ho fapa-fapana oa mehloli ea oli e tala ea polypropylene e ntse e fetoha, 'me ka ho tla ha mehla ea "propane", e ke ke ea e-ba hole pele ho naphtha, propane le mashala. e tla aroloa likarolo tse tharo tsa lefatše.