xov xwm

Nyob rau hauv xyoo tas los no, raws li thev naus laus zis loj hlob tuaj thiab kev ua kom zoo ntxiv ntawm kev lag luam kev lag luam, kev lag luam petrochemical, olefin tam sim no muaj kev sib txawv ntawm cov khoom siv raw, tshwj xeeb tshaj yog nyob rau hauv keeb kwm yav dhau los ntawm ob chav carbon, ib tug loj Bob propane hais txog xov xwm, yog lub hwj chim ntawm Leon lub siab xav, thiab cov khoom siv roj olefin / thee rau olefin / methanol rau olefins, propane dehydrogenation txheej txheem hauv propylene yield yog siab Cov khoom siv raw ntawm cov txheej txheem luv luv, qis peev nqi, kev lag luam zoo sawv tawm Tab sis tus neeg tawm tswv yim ntawm propylene, propane dehydrogenation txheej txheem khoom los ntawm -cov khoom siv hydrogen, ib qho ntawm cov khoom siv raw tuaj yeem khaws cia polypropylene ntau lawm ntawm cov khoom siv dav dav, nrog rau kev tuaj txog ntawm ib puag ncig tshiab ntawm kev nthuav dav ntawm polypropylene ua rau muaj kev cuam tshuam ntau ntxiv ntawm cov khoom siv thiab kev xav tau, kev loj hlob ntawm high-end polypropylene ua tus Lub ntsiab lus tseem ceeb ntawm kev sib tw sib txawv, nyob rau hauv qhov kev sib tw no, propane dehydrogenation PP technology kev sib tw pib poob, txawm hais tias muaj ib feem ntawm kev lag luam Txawm li cas los xij, qhov tsis muaj ethylene tau dhau los ua lub rooj tsav xwm luv luv ntawm PDH txheej txheem.Lub caij no, Tuam Tshoj tsis muaj peev txheej cuam tshuam thiab lub peev xwm ntawm lub teeb hydrocarbon tsis txaus.Feem ntau ntawm cov khoom siv raw yuav tsum raug xa mus, yog li kev ruaj ntseg ntawm cov khoom siv raw khoom dhau los ua tus yuam sij rau kev txhim kho cov txheej txheem hydrocarbon Lub teeb Los ntawm 2014 txog 2018, qhov project raug yog propane dehydrogenation.Txawm li cas los xij, txij li xyoo 2018, qhov muaj koob meej ntawm lub teeb hydrocarbon tawg tau nce sai heev vim nws muaj zog yooj yim dua thiab ductility.Qee qhov kev sim ua haujlwm tau muab tso rau hauv kev tsim khoom hauv xyoo 2020.

ethylene yield ntawm ethane, propane thiab butane cracking yog siab.Rau lub teeb hydrocarbon kev lag luam siv dav dav, ethylene yield muaj qhov cuam tshuam zoo heev rau kev tsim tshuaj lom neeg hauv qab, thiab cov kev xaiv qis qis dua muaj qhov yooj yim dua thiab xaiv qhov chaw.Cov txheej txheem nrog ntau dua propylene yield yog PDH MTP C / MTO, tab sis lub hom phiaj khoom ntawm lub teeb hydrocarbon cracking muaj ib tug ntau dua yield thiab kuj yuav ua tau siab purity hydrogen raws li ib tug by-product, uas tau raug suav hais tias yog ib qho ntawm cov tseem ceeb txoj kev uas yuav txo tau. petroleum dependence thiab zog noj ntawm kev lag luam.Yog li ntawd, lub zog loj hlob ntawm cov teeb pom kev hauv tsev hydrocarbon cracking tej yaam num yog sai heev, thiab ntau tus tshiab players uas tsis muaj peev xwm ua cov roj crude kuj tau nkag mus nrog cov kev loj hlob tsis tu ncua ntawm lub teeb raw cov ntaub ntawv, txoj kev kom tau propylene yog nce.Tom qab propane dehydrogenation, lub teeb hydrocarbon cracking tej yaam num yog maj mam nce.Propane tsis yog tsuas yog cov khoom siv raw rau dehydrogenation los tsim propylene, tab sis kuj yog cov khoom siv tseem ceeb rau lub teeb hydrocarbon tawg los tsim propylene.Dab tsi yog qhov txawv ntawm cov qauv khoom ntawm propane dehydrogenation thiab lub teeb hydrocarbon tawg?Cov txheej txheem twg yuav muaj kev sib tw ntau dua hauv cov chaw tsim khoom yav tom ntej?Nce propane raws li lub ntsiab raw khoom siv technology propylene tsis txaus nyob rau hauv peb lub teb chaws, cov tsoos deputy ntau yam ntawm propylene ntau lawm tsis tau raws li qhov kev thov ntawm domestic propylene derivatives, nyob rau tib lub sij hawm, lub Middle East thiab North American shale gas kev loj hlob ua propane ntau lawm surge nyob rau hauv exports ib tug loj nce, mus rau lub nce ntawm domestic propane technology muab txaus raw cov ntaub ntawv los txhawb Ib tug yooj yim txoj kev pom zoo Lub sij hawm luv luv thiab ceev peev ntawm propane dehydrogenation tej yaam num tau coj lub cib fim rau kev lag luam kev loj hlob ntawm ntug hiav txwv dej nyob rau hauv Tuam Tshoj.Propane dehydrogenation thiab sib xyaw alkane dehydrogenation tej yaam num tau nce hauv Suav teb.Cov txheej txheem ntawm kev tsim cov olefin los ntawm tawg lub teeb hydrocarbon raws li raw khoom yog nce Ib los yog ob hom butane) raws li raw cov ntaub ntawv rau lub cracking ntawm olefin tuam txhab uas muag maj nce, xws li Boralidek Basle Petrochemical Xinpu tshuaj Huatai Shengfu thiab lwm yam ob hom ntawm cov txheej txheem ntau lawm Propane dehydrogenation, raws li cov txheej txheem tshiab los tsim cov propylene los ntawm propane raws li ib qho khoom siv raw, tsim cov propylene ntau dua li lub teeb hydrocarbon steam pyrolysis, tab sis kuj tseem muaj teeb meem ntawm kev hloov pauv ib-txoj kev qis thiab siab rau cov khoom siv raw.propylene yield ntawm cov nroj tsuag tuaj yeem ncav cuag ntau dua 80%, uas tuaj yeem nqa ntau cov khoom siv raw khoom rau propylene downstream Lub teeb hydrocarbon tawg tuaj yeem tsis tsuas yog txhim kho cov propylene / ethylene yield ratio ntawm chav tsev, tab sis kuj siv tag nrho cov cov kev pab cuam ntawm lub refinery, uas yog txoj kev loj hlob kev taw qhia ntawm raw khoom muaj pes tsawg leeg ntawm lub cracking unit.Nyob rau hauv cov xwm txheej ntawm tag nrho propane ncig, lub diene yield ntawm lub teeb hydrocarbon cracking txheej txheem tuaj yeem ncav cuag ntau tshaj 60%, thiab cov khoom tsim muaj ntau tshaj li propane dehydrogenation.

Propane dehydrogenation alternaria alternata propylene by-product hydrogen gas, yog tias cov khoom siv hydrogen tsis muaj kev muag khoom, tsuas yog tuaj yeem hlawv li roj roj, yuav cuam tshuam ncaj qha rau kev lag luam ntawm propane dehydrogenation, piv nrog lub teeb hydrocarbon tawg, propane dehydrogenation (hydrogen hlawv) chav tsev nqi ntawm olefin kuj yog siab dua propane dehydrogenation txheej txheem, cov khoom tseem ceeb ntawm lub teeb hydrocarbon tawg rau ethylene propylene, by-product hydrogen roj sib tov ntawm carbon plaub Mixed carbon tsib, yuav daws tau cov propane dehydrogenation nws tus kheej tsis muaj ethylene thiab butene khuv xim, pyrolysis ntawm cov khoom los ntawm cov khoom tuaj yeem rov qab paub txog lawv tus kheej tus nqi, tib lub sijhawm muaj qhov zoo ntawm cov nqi qis, tuaj yeem nyob hauv kev lag luam ntawm unregulated copolymerization thiab cuam tshuam copolymerization, kev lag luam ntau dua nyob rau xyoo tas los no Kev lag luam hydrogen zog muaj txoj cai tsav tsheb. .Nyob rau tib lub sijhawm, nrog kev nce ntawm tus lej ntawm cov ntawv thov davhlau ya nyob twg, kev lag luam xav tau sab kuj tau maj mam txhawb nqa kev lag luam hydrogen zog rau qee yam, thiab feem ntau ntawm cov tuam txhab hauv tsev propane dehydrogenation tau pib ua tib zoo saib lossis txawm tias layout. Lawv tus kheej cov kev muag khoom thiab kev npaj siv hydrogen los ntawm cov khoom hauv qhov no, propane dehydrogenation, txawm tias muag raws li kev lag luam hydrogen los yog cov roj cell uas kim dua hydrogen lossis txawm tias muaj purity hydrogen, yuav muab kev lag luam rov qab los thiab yog li txhawb cov txiaj ntsig ntawm propane dehydrogenation tuam txhab uas muag. .Los ntawm kev sib piv, propane dehydrogenation thev naus laus zis muaj cov txheej txheem luv luv thiab siv tsawg Cov txiaj ntsig siab thiab qis peev nqi ntawm ib txheej ntawm cov khoom siv.Yog tias nws tuaj yeem ua ke nrog cov khoom siv ua kom zoo ib puag ncig los muab hydrogen rau kev kho kom zoo thiab ua kom muaj txiaj ntsig zoo los ntawm kev sib koom ua ke ntawm cov khoom siv raw, qhov zoo ntawm lub teeb hydrocarbon tawg yog nyob rau hauv cov peev txheej loj, ntau yam khoom thiab muaj peev xwm tiv thaiv kev lag luam.Kev lag luam ntawm ob feem ntau yog nyob ntawm tus nqi ethylene thiab propylene: Txoj kev propane dehydrogenation yog kev lag luam ntau dua thaum cov nqi ethylene thiab propylene nyob ze, thiab lub teeb hydrocarbon cracking txoj kev yog kev lag luam ntau dua thaum cov nqi ethylene siab dua propylene.

Propane dehydrogenation raw khoom ib leeg, tsuas yog siv propane li raw cov ntaub ntawv, cov khoom tsuas yog propylene thiab by-product hydrogen, tsis tshua muaj carbon ib puag ncig tiv thaiv tsis tau xwb, tseem tuaj yeem txo cov kev pheej hmoo ntawm lwm yam, tseem yog tam sim no tshiab rau hauv kev lag luam lub ntsiab kev xaiv, Feem ntau ntawm Tuam Tshoj txoj kev tsim khoom ntawm PDH cov cuab yeej sib piv cov khoom siv hauv qab, kev lag luam kev sib koom ua ke pom tseeb, tab sis lub sijhawm ntev, kev lag luam kev lag luam hauv qab qhov chaw loj hlob yog nqaim, Kev lag luam siab yog qhov zoo, hauv kev tsim khoom hauv tsev polypropylene ob npaug hauv kev sib tw ua lag luam hnyav, ethylene propane dehydrogenation project qhov kev sib tw yog tsim nyog rov ntsuas dua.

Piv nrog rau propane dehydrogenation, lub teeb hydrocarbon cracking txheej txheem muaj ntau ntau yam khoom daws teeb meem thiab muaj zog ua lag luam cuam tshuam.Piv txwv li, kev lag luam ntawm propane dehydrogenation txheej txheem feem ntau yog nyob ntawm tus nqi sib txawv ntawm propylene thiab propane.Thaum tus nqi lag luam ntawm propylene hloov pauv thiab poob qis, kev lag luam ntawm propane dehydrogenation txheej txheem yuav txo qis heev.

Rau kev lag luam polypropylene, propane qhov chaw tso nyiaj rau ib feem me me, txawm hais tias nws tau nce los ntawm 7% hauv 2015 txog 15% hauv 2022, nws tseem tsis tau tuav lub hauv paus hauv kev ua lag luam thiab muaj cai tsis muaj zog rau cov khoom lag luam polypropylene.Txawm li cas los xij, nrog kev txhim kho txuas ntxiv ntawm lub zog hnyav thiab cov khoom siv tshuaj lom neeg hauv Suav teb, kev sib txawv ntawm cov roj av ntawm cov khoom siv roj av ntawm polypropylene tig, thiab nrog rau lub sijhawm ntawm "propane" era, nws yuav tsis nyob deb ua ntej naphtha, propane thiab thee. yuav muab faib ua peb feem ntawm lub ntiaj teb no.