Ka 2022, tlhahiso ea ethylene ea Chaena e fihlile ho lithane tse limilione tse 49.33, e fetile United States, e fetoha mohlahisi e moholo ka ho fetisisa oa ethylene lefatšeng, ethylene e nkoa e le pontšo ea bohlokoa ea ho fumana boemo ba tlhahiso ea indasteri ea lik'hemik'hale. Ho lebeletsoe hore ka 2025, tlhahiso ea ethylene ea Chaena e tla feta lithane tse limilione tse 70, e leng se tla finyella tlhokahalo ea malapeng, kapa esita le ho sala.

Indasteri ea ethylene ke motheo oa indasteri ea petrochemical, 'me lihlahisoa tsa eona li nka karolo e fetang 75% ea lihlahisoa tsa petrochemical mme li nka boemo ba bohlokoa moruong oa naha.

Ethylene, propylene, butadiene, acetylene, benzene, toluene, xylene, ethylene oxide, ethylene glycol, joalo-joalo E hlahisoa ke limela tsa ethylene, ke lisebelisoa tsa motheo tsa matla a macha le masimo a macha. Ho phaella moo, litšenyehelo tsa tlhahiso ea ethylene e hlahisoang ke lik'hamphani tse kholo tse kopantsoeng tsa ho hloekisa le lik'hemik'hale li batla li le tlaase. Ha ho bapisoa le likhoebo tse hloekisitsoeng ka sekala se tšoanang, boleng bo ekelitsoeng ba lihlahisoa tsa likhoebo tse kopaneng tsa tlhoekiso le lik'hemik'hale li ka eketsoa ka 25% mme tšebeliso ea matla e ka fokotsoa ka 15%.

Polycarbonate, lithium battery separator, photovoltaic EVA (ethylene - vinyl acetate copolymer) e ka etsoa ho tloha ethylene, alpha olefin, POE (polyolefin elastomer), carbonate, DMC (dimethyl carbonate), ultra-high molecular weight polyethylene (UHMWPE) le tse ling lihlahisoa tse ncha tsa thepa. Ho ea ka lipalo-palo, ho na le mefuta e 18 ea lihlahisoa tse tlase tsa ethylene tse amanang le matla a macha, lisebelisoa tse ncha le liindasteri tse ling tse nang le moea. Ka lebaka la tsoelo-pele e potlakileng ea matla a macha le liindasteri tse ncha tse kang likoloi tse ncha tsa matla, photovoltaic le semiconductors, tlhokahalo ea lihlahisoa tse ncha tsa thepa e ntse e eketseha.

Ethylene, joalo ka motheo oa indasteri ea petrochemical, e kanna ea ba ka bongata, ho tšoaea indasteri ea petrochemical e shebaneng le ho hlophisoa bocha le ho fapana. Ha se likhoebo tsa tlholisano feela tse felisang likhoebo tse khutlelang morao, bokhoni bo tsoetseng pele bo felisa matla a morao, empa hape le ho putlama le ho tsoaloa hape ha likhoebo tse etelletseng pele tsa karolo ea ketane ea indasteri ea ethylene.

Likhamphani tse kholo li ka fetoha

Ethylene e ka 'na ea e-ba ka bongata, e qobella ho hloekisa le lik'hemik'hale tse kopantsoeng ho tsoela pele ho tlatsetsa ketane, ho atolosa ketane le ho matlafatsa ketane ho ntlafatsa tlhōlisano ea yuniti. Ho qala ho tloha oli e tala, hoa hlokahala ho aha molemo oa thepa e tala ea ho kopanya. Ha feela ho ntse ho e-na le litebello tsa 'maraka kapa lihlahisoa tse nang le bokhoni bo itseng ba' maraka, ho tla raloa mola, e leng ho potlakisang ho felisoa ha bahlōli le ba lahlehetsoeng indastering eohle ea lik'hemik'hale. Tlhahiso le mohlala oa lihlahisoa tsa lik'hemik'hale tse ngata le lihlahisoa tse ntle tsa lik'hemik'hale li tla tlisa liphetoho. Mefuta le sekala sa tlhahiso e tla eketseha le ho feta, 'me palo ea likhoebo e tla fokotseha butle-butle.

Thepa ea puisano, mehala ea cellular, lisebelisoa tse aparoang le lisebelisoa tse ling tsa elektroniki tsa bareki, bohlale ba likoloi, masimo a bohlale a lisebelisoa tsa lapeng a ntse a tsoela pele ka potlako, e leng se tsamaisang kholo e potlakileng ea tlhoko ea lisebelisoa tse ncha tsa lik'hemik'hale. Lisebelisoa tsena tse ncha tsa lik'hemik'hale le likhoebo tse etellang pele tsa monomer ka mokhoa oa kholo li tla fetoha ka potlako, joalo ka matla a macha a 18 le lihlahisoa tse ncha tse tlase ho ethylene.

Fan Hongwei, molula-setulo oa Hengli Petrochemicals, o boletse hore mokhoa oa ho boloka melemo e matla ea tlholisano le ho fumana lintlha tse ncha tsa phaello molemong oa ts'ebetso eohle ea ketane ea indasteri ke bothata bo lokelang ho tsepamisoa maikutlo. Re lokela ho fana ka papali e felletseng molemong oa ketane ea indasteri e holimo, ho atolosa le ho tebisa ketane ea indasteri ho potoloha lihlahisoa tse tlase ho theha melemo e mecha ea tlholisano, le ho loanela ho khothaletsa katoloso e tsitsitseng ea lihlahisoa tse tlase ho aha ketane e ntle ea indasteri ea lik'hemik'hale.

Kang Hui New Material, e leng motlatsi oa Hengli Petrochemical, e ka hlahisa filimi ea silicon ea 12 ea silicon ea laminated lithium e sireletsang betri Inthaneteng, Hengli Petrochemical e ka hlahisa lihlahisoa tse khethehileng tsa 5DFDY, 'me filimi ea eona ea MLCC e hlahisa litlaleho tse fetang 65% tsa tlhahiso ea malapeng.

Ho nka ho hloekisoa le ho kopanya lik'hemik'hale e le sethala sa ho atolosa ka holimo le ka holimo, re atolosa le ho matlafatsa libaka tsa niche le ho theha nts'etsopele e kopanetsoeng ea libaka tsa niche. Hang ha k'hamphani e kena 'marakeng, e ka kena likhoebong tse etelletseng pele. Likhoebo tse 18 tse etelletseng pele tsa matla a macha le lihlahisoa tse ncha tse tlase ho ethylene li kanna tsa tobana le phetoho ea botho mme tsa tloha 'marakeng.

Ebile, ho tloha 2017, Shenghong Petrochemicals e ile ea qala lithane tse 300,000 / selemo EVA e sebelisa melemo ea ketane eohle ea indasteri, pheletso ea 2024 butle-butle e tla kenya tlhahiso ea lithane tse ling tsa 750,000 tsa EVA, tse tla hlahisoa tlhahiso ka 2025, ka. joale, Shenghong Petrochemicals e tla fetoha setsi sa phepelo sa EVA se seholo ka ho fetisisa lefatšeng.

China e teng lik'hemik'hale mahloriso, palo ea lirapeng tsa boikhathollo le likhoebo liprofinseng tse khōlō lik'hemik'hale tla boela butle-butle fokotsa, Shandong fetang 80 lik'hemik'hale lirapeng tsa boikhathollo tla esita le butle-butle fokotsa ho halofo, Zibo, Dongying le libaka tse ling tsa lik'hamphani concentrated lik'hemik'hale tla felisoa halofo. Bakeng sa k'hamphani, ha o motle, empa bahlolisani ba hau ba matla haholo.

"Ho ntse ho le thata ho "fokotsa oli le ho eketsa k'hemistri

"Phokotso ea oli le keketseho ea lik'hemik'hale" e fetohile tataiso ea phetoho ea indasteri ea ho hloekisa oli le lik'hemik'hale. Morero oa hajoale oa phetoho oa lihloekisi haholo-holo o hlahisa lisebelisoa tsa mantlha tsa organic lik'hemik'hale tse kang ethylene, propylene, butadiene, benzene, toluene le xylene. Ho tloha ts'ebetsong ea morao-rao ea tsoelo-pele, ethylene le propylene li ntse li e-na le sebaka se itseng sa tsoelo-pele, ha ethylene e ka 'na ea e-ba le chelete e ngata,' me ho tla ba thata le ho feta ho "fokotsa oli le ho eketsa lik'hemik'hale".

Pele ho tsohle, ho thata ho khetha merero le lihlahisoa. Ntlha ea pele, tlhokahalo ea 'maraka le matla a' maraka a ntse a thatafalloa ho khetha lihlahisoa tse nang le theknoloji e hōlileng tsebong. Ea bobeli, ho na le tlhokahalo ea 'maraka le bokhoni ba' maraka, lihlahisoa tse ling li itšetlehile ka ho feletseng ka lihlahisoa tse tsoang linaheng tse ling, ha li tsebe theknoloji ea tlhahiso, tse kang lisebelisoa tse phahameng tsa resin ea maiketsetso, rabara e phahameng ea maiketsetso, likhoele tse phahameng tsa maiketsetso le li-monomers, tse phahameng. -end carbon fiber, li-plastiki tsa boenjiniere, lik'hemik'hale tsa elektronike tse hloekileng, joalo-joalo. Lihlahisoa tsena kaofela li tobane le bothata ba "molala", 'me lihlahisoa tsena ha li khone ho hlahisa lisebelisoa tse feletseng tsa theknoloji,' me li ka eketsa feela. matsete a lipatlisiso le nts'etsopele.

Indasteri eohle ho fokotsa oli le ho eketsa lik'hemik'hale, 'me qetellong ho lebisa ho matla a feteletseng a lihlahisoa tsa lik'hemik'hale. Lilemong tsa morao tjena, morero oa ho kopanya oa ho hloekisa le ho hloekisa lik'hemik'hale o ikemiselitse ho "fokotsa oli le ho eketsa k'hemistri", 'me likhoebo tse teng tsa ho hloekisa le lik'hemik'hale li boetse li nka "ho fokotsa oli le ho eketsa k'hemistri" e le tataiso ea phetoho le ntlafatso. Lilemong tse peli ho isa ho tse tharo tse fetileng, matla a macha a lik'hemik'hale a China a batlile a feta palo ea lilemo tse leshome tse fetileng. Indasteri eohle ea ho hloekisa e “fokotsa oli le k’hemistri e ntseng e eketseha. Ka mor'a tlhōrō ea kaho ea matla a lik'hemik'hale, indasteri eohle e ka 'na ea e-ba le phaello e fokolang kapa ho feta. Lisebelisoa tse ngata tse ncha tsa lik'hemik'hale le lihlahisoa tse ntle tsa lik'hemik'hale li na le limmaraka tse nyenyane, 'me hafeela ho ntse ho e-na le katleho ea theknoloji, ho tla ba le ho potlaka, ho lebisang ho matla le ho lahleheloa ke phaello, esita le ntoeng e nyenyane ea theko.