2020 yog lub xyoo loj rau kev ua lag luam hauv ethylene glycol. Lub Yim Hli 24, Xinjiang Tianye Group's 600,000-tonne ethylene glycol project ua tiav cov khoom lag luam polyester-qib ethylene glycol, ntsib cov kev lag luam polyester kev ua lag luam ethylene glycol cov lus qhia ntau tshaj yog qhov ua tiav ntawm tag nrho cov txheej txheem ntawm lub phiaj xwm thiab nkag rau theem kev ua haujlwm ntau lawm.
Nws tau nkag siab tias qhov project feem ntau cia siab rau Tianye Group cov kev tsim khoom lag luam ntau thiab kev tshawb fawb txog kev lag luam hauv cov thee kev lag luam chemical, thiab siv cov txheej txheem thoob ntiaj teb dimethyl oxalate synthesis thiab hydrogenation thev naus laus zis los ua cov khoom lag luam polyester-qib glycol, uas qhia tag nrho cov cuab yeej siv qhov project loj. Cov. , Kev sib tw zoo ntawm cov thev naus laus zis khov kho thiab loj-ntau lawm, peb tes num' s lub zog reactor ntau lawm, tib cov kab ntau lawm, thiab cov khoom lag luam zoo nyob hauv txoj haujlwm ua hauv tsev thiab txawv teb chaws. Tam sim no nws yog qhov loj tshaj plaws thee-rau-ethylene glycol project ua nyob rau hauv Suav teb.
Cov txheej txheem kev tsim khoom lag luam ntawm ethylene glycol tau muab faib ua ob pawg raws li cov khoom siv sib txawv:
Ib qho yog qhov kev sib tw ethylene, uas siv cov roj lim, ethane lossis methanol ua cov ntaub ntawv raw; nws yog txoj kev ua rau kev loj hlob nrog txoj kev ua lag luam kom zoo ntawm cov txheej txheem uas twb muaj lawm.
Qhov thib ob yog cov hluavtaws sib txuas ua ke, uas yog siv cov thee, cov roj hauv av, thiab coke cub roj raws li cov ntaub ntawv raw, uas tsim nyog rau cov pa roj ntau ntau hauv kuv lub teb chaws.
Syngas oxalate txoj kev mus rau ethylene glycol suav nrog 3 kauj ruam.
Tam sim no, hauv kev lag luam kev lag luam oxalate txoj kev thev naus laus zis technology feem ntau suav nrog Nyiv High Chemical Co., Ltd.-Donghua Technology Company-Zhejiang Liansheng Chemical Company Consortium, Tuam Tshoj Wuhuan Engineering Co., Ltd.-Huashuo Technology Co., Ltd.-Hebi BMW Technology Group Consortium, Shanghai Pujing Chemical Technology Co., Ltd.-East Tuam Tshoj University of Science thiab Technology-Anhui Huaihua Group Consortium, Ningbo Zhongke Yuandong Catalytic Engineering Technology Co., Ltd.-China Chengda Engineering Company-Ningbo Lub Koom Haum ntawm Cov Khoom Siv Technology thiab Engineering, Suav Academy ntawm Tshawb Fawb-Shandong Hua Consortium ntawm Lu Hengsheng Chemical Co., Ltd., Fujian lub koom haum ntawm cov khoom qauv, Suav Academy ntawm Sciences-Danhua Tshuaj Technology Technology tuam txhab-Shanghai Jinmei Tshuaj Tshiab Technology Co., Ltd.-Consortium ntawm Henan Lub Zog thiab Tshuaj Pab Pawg, Sinopec, thiab lwm yam Ntawm cov thev naus laus zis 6, Tongliao Jinmei' s thev naus laus zis yog kev lees paub tshwj xeeb rau sab nraud thiab tsis muaj t pauv mus rau cov tuam txhab sab nraud pab pawg; Siv tshuab Sinopec' s tsuas yog siv rau hauv nws tus kheej qhov chaw thiab tsis pauv mus rau tus neeg sab nraud.
Tus yuam sij rau txoj kev hloov tsheb no yog qhov ua tau zoo ntawm cov carbonylation catalyst thiab hydrogenation catalyst, uas cuam tshuam txog kev siv lub zog ntawm cov kab ke thiab cov khoom zoo. Kev tswj hwm kev faib ua feem ntawm oxidative esterification unit O2, methyl nitrite thiab TSIS MUAJ, nrog rau kev saib xyuas thiab tiv thaiv kev tiv thaiv yog qhov kev lees paub ntawm kev ua haujlwm nyab xeeb. Kev tsim ntawm chav sib cais thiab qhov sib cais ntawm cov khoom tau muaj qhov cuam tshuam tseem ceeb ntawm cov khoom lag luam zoo thiab muaj txiaj ntsig zoo ntawm lub cuab yeej.
Nyob rau hauv qhov pom tau hais tias oxalate lawv cov thee-rau-ethylene glycol ntau lawm tshuab yog yeej paub tab, lub neej kev ua haujlwm ntawm carbonylation thiab hydrogenation catalysts tau dhau los ua qhov tseem ceeb ntawm kev tswj tus nqi ntau lawm.
Tus thawj-tiam syngas-rau-ethylene glycol SEG® carbonylation catalyst tsim thiab tsim los ntawm Gao Chemical muaj lub neej muab kev pab ntau dua 6 xyoo ntawm Xinjiang Tianye ethylene glycol cog. Thaum Lub Kaum Ob Hlis 2013, txog 11 tons ntawm thawj tiam carbonylation catalyst uas ua los ntawm Gaochem (Jiangsu) Tshiab Cov Khoom Siv Tshuaj Hluav Taws Xob., Ltd. tau muab tso rau hauv carbonylation reactor ntawm 50,000-tuj / xyoo ethylene glycol cog ntawm Xinjiang Tianye Ntu I ( tag nrho ntawm ob A carbonylation reactor) kom txog rau thaum lub tshuab ua kom sov lub tshuab ua kom tiav tiav nws lub luag haujlwm hauv lub Tsib Hlis 2020. Hauv ntau dua 6 xyoo, tag nrho muaj kwv yees li 310,000 tons ntawm polyester-qib ethylene glycol tau tsim, uas cov reactor nruab nrog lub siab- tshuaj lom neeg thawj tiam catalyst tsim txog 155,000 tons ntawm ethylene glycol, uas yog sib npaug rau 14,000 tons ntawm ethylene glycol ib tuj ntawm carbonylation catalyst. Cov.
Xinjiang Tianye Group tau pib tshawb nrhiav cov cuab yeej tseem ceeb ntawm ethylene glycol catalysts xyoo 2013, teeb tsa kev sib koom tes ntawm ethylene glycol catalyst R& D pab pawg, ua haujlwm rau cov tub ntxhais siv tshuab thev naus laus zis, thov tag nrho 5 daim ntawv thov tswv yim rau kev tsim kho, thiab yuav txhawb nqa kev lag luam. ntawm catalysts yav tom ntej.
Oxalate lawv cov thee-rau-ethylene glycol tshuab yog yuav luag paub tab, tab sis tseem muaj lub peev xwm yuav tsum tau tapped. Piv txwv li, qhov kev nyab xeeb tsis zoo ntawm hydrogenation catalysts, tsis tshua muaj ethylene glycol xaiv, thiab cov khoom lag luam siab raug txwv tsis pub lub sijhawm ua haujlwm ntev ntawm cov thee-rau-ethylene glycol cog thiab daim ntawv thov ntawm nws cov khoom lag luam hauv kev lag luam hauv polyester. Kev hloov pauv ntawm cov tshuaj hydrogenation catalyst, Xaiv Xaiv, kev ruaj khov thiab kev pab cuam lub neej tau dhau los ua qhov tseem ceeb ntawm kev saib xyuas ntawm txhua pawg neeg koom tes. Hais txog kev txhawb kev kawm tshuab, kev tshawb nrhiav yav tom ntej thiab kev tsim kho yuav tsom mus rau kev txhim kho system, kev siv hluav taws xob, thiab kev txo qis ntawm chav ua noj thiab hluav taws xob. Nws cia siab tias nrog kev txhim kho ntawm theem kev ntawm kev siv thee-txoj hauv kev thiab qhov nce ntawm cov zis ntawm ethylene glycol cov khoom lag luam, qhov kev lees txais ntawm downstream polyesters yuav nce ntxiv.
Polyester ntau lawm muaj peev xwm txuas ntxiv nthuav dav, ethylene glycol kev ua kom tus kheej txaus siab tus nqi qis dua 50%
Txij xyoo 2008 txog rau 2019, tag nrho cov kev thov rau ethylene glycol hauv kuv lub teb chaws tau nce los ntawm 6.71 lab tons rau 17.852 lab tons, nce ntxiv ntawm 166.05%. Raws li qhov chaw noj loj ntawm ethylene glycol, qhov kev thov loj hlob ntawm polyester yog qhov muaj txiaj ntsig zoo tshaj plaws: xyoo 2008, qhov kev thov rau ethylene glycol sib haum rau polyester yog 6.37 lab tons, thiab nws nce mus rau 16.77 lab tons hauv 2019, thiab qhov kev loj hlob tau mus txog 163.27% hauv 10 xyoo.
Lwm qhov chaw noj ntawm ethylene glycol tsuas yog suav rau tsawg dua 5%. Qhov kev thov rau tshuaj tua tsis haum kuj sib txawv thiab raws caij nyoog. Kev siv qhov tseeb hauv 2019 yog kwv yees li 260,000 tons, thiab qhov kev thov hauv 2020 kwv yees kwv yees kwv yees 250,000 Ton. Kev siv tam sim ntawm ethylene glycol rau cov roj hmab tsis muaj ntxig nyob rau xyoo 2019 yog li ntawm 400,000 tons, qhov peev xwm tsim tawm yuav tsum ncav cuag 5 lab tons nyob rau xyoo 2020, thiab qhov kev thov rau ethylene glycol kwv yees li 400,000 txog 450,000 tons. Kev thov ntawm ethylene glycol rau polyurethane hauv 2020 yog kwv yees tias 250,000 txog 300,000 tons.
Nyob rau xyoo 2020, cov peev txheej tsim tawm ntawm kuv lub teb chaws' s kev lag luam polyester yuav tsum ncav cuag 62,8 lab tons, thiab cov zis yuav tsum kwv yees li 52,9 lab tons, sib raws li qhov xav tau ntawm 17,721,500 tons ntawm glycol.
Hauv xyoo 2019, kuv lub teb chaws' s ethylene glycol tus kheej kev noj haus txaus tsuas yog 45%. Xyoo 2019, cov peev txheej tshiab yog 250,000 tons, nrog tag nrho cov peev txheej ntawm 11.031 lab tons, nce ntawm 2.3% xyoo-rau-xyoo; cov txiaj ntsig tau nce mus txog 8.149 lab tons, nce ntxiv ntawm 18.3% xyoo-xyoo; kev siv lub peev xwm yog 73.9%, nce ntxiv ntawm 10 feem pua ntsiab lus xyoo-xyoo. Txawv tseem ceeb 9.947 lab tons, pom tias siv 18.085 lab tons, kev pab tus kheej tau txaus tsuas yog 45%, nce ntxiv ntawm 3.5 feem pua ntawm lub xyoo.
Nyob rau hauv lub neej yav tom ntej, qhov kev thov rau ethylene glycol yog xav kom tswj cov txheej txheem kev loj hlob ruaj khov. Txawm li cas los xij, raws li lub davhlau ya nyob twg khaub ncaws thiab hauv tsev textile teb nkag rau hauv lub sijhawm bottleneck, qhov kev loj hlob ntawm ethylene glycol thov yuav maj mam poob. 2020 yog lub xyoo loj rau kev ua lag luam hauv ethylene glycol. Hauv thawj ib nrab ntawm lub xyoo, Yankuang Rongxin, Zhejiang Petrochemical, thiab Hengli Petrochemical tau ua tiav ntau lawm tso rau hauv ntau lawm ze li 3 lab tons / xyoo. Pom tseeb kev nthuav dav ntawm cov khoom siv sab tau muab siab rau kev ua lag luam; thaum qhov kev xav tau sab tau raug tshem tawm los ntawm tus tshiab kev mob hnoos qeev, mob zuj zus ntxiv, qhov kev tsis sib haum xeeb ntawm kev muab thiab kev thov, ua rau muaj kev cuam tshuam ntawm cov nqi hauv khw muag khoom.
Ob qho teeb meem loj uas tau ntsib los ntawm thee-rau-ethylene glycol
Tam sim no, cov thee-based ethylene glycol tau dhau los ua qhov chaw kub kub hauv kev tsim kho kuv lub teb chaws' s kev ua lag luam ethylene glycol, tab sis tseem muaj qee qhov luv luv thiab teeb meem:
Ib qho yog teebmeem kev lag luam. Raws li cov nqi roj qis tam sim no, qhov kev sib tw ua kom zoo dua qub ntawm cov roj-rau-ethylene glycol tau muaj zog tsis muaj zog.
Qhov thib ob yog teeb meem txuj ci. Lub pob zeb-rau-ethylene glycol tshuab tseem tsis tau tiav lub zog, thiab qee cov khoom siv tsis ruaj khov, thiab nws nyuaj rau lav lub sijhawm ntev, kev ua haujlwm siab thiab ruaj khov; cov khoom lag luam zoo muaj qee qhov sib txawv piv nrog cov txheej txheem ethylene, uas tsis tuaj yeem thov rau polyester ntau lawm, thiab feem ntau ntawm lawv cov sib xyaw thiab siv. Raws li qhov kev lag luam tam sim no, cov khoom lag luam tsim kev lag luam ethylene glycol nyob hauv qhov xwm txheej nyuaj thiab yuav tsum txuas ntxiv rau kev nce qib thev naus laus zis kom txo tau cov nqi thiab nce cov txiaj ntsig.
Piv nrog ethylene glycol, thee-based glycol tseem muaj peb yam teeb meem nram qab no:
01|Khoom tsis ruaj khov. Cov khoom sib txawv ntawm cov khoom lag luam hauv tib lub Hoobkas yuav muaj qee cov khoom lag luam ua tau raws li cov qauv, thiab qee cov khoom txawv ntawm cov khoom yuav tsis tau raws li cov qauv;
02|Thaum siv nyob rau hauv kev tsim cov raj mis polyester fakes, cov khoom tsim tawm los ntawm cov thee-rau-ethylene glycol muaj lub teeb tsis zoo thiab cov dej ntws qis txais;
03|Kev tsim tawm ntawm ethylene glycol muaj qhov cuam tshuam rau kev zas ntawm qee cov khoom lim polyester thiab tsis haum rau kev tsim khoom zoo.
Yog li ntawd, kom deb li deb, tsis muaj lub tuam txhab polyester tau siv cov thee-to-ethylene glycol tag nrho raws li nws cov khoom siv raw. Tsis tas li ntawd, ob peb xa tawm cov khoom siv polyester fiber ntau siv cov thee-raws li ethylene glycol ua raw cov ntaub ntawv. Lub ntsiab yog vim tias qhov chaw xa khoom loj xws li European Union muaj ntau dua qhov xav tau ntawm cov khoom siv raw khoom; tsis tas li, kev noj cov polyester fwj plaub ya ri muaj ntau nyob rau hauv cov raj mis haus, thiab lwm yam. Hauv teb, zaub mov kev ruaj ntseg yuav tsum muaj ntau dua, thiab raws li cov thee ethylene glycol yeej tsis txais.
Txawm hais tias qhov tshiab thee-rau-ethylene glycol kev tsim muaj peev xwm nthuav dav sai, vim hais tias cov thev naus laus zis hauv daim teb no tau nyob rau theem kev loj hlob, muaj qhov tsis sib xws nyob rau hauv kev ua lag luam hauv lub sijhawm luv, qhov twg ntawm kev loj hlob ntawm kev muaj peev xwm sai tab sis kev loj hlob ntawm ntau lawm qeeb. Cov txheej txheem thee-rau-ethylene glycol tseem nyob ruaj khov thiab muaj txiaj ntsig xyoo 2019, nrog rau qhov nruab nrab txhua xyoo cov nyiaj tau los ntawm 753 yuan / ton. Kev sib kis ntawm tus kabmob tshiab tau mob ntsws tag mus rau kev mob thoob ntiaj teb tau ua rau muaj kev kub ntxhov nyob hauv kev lag luam hauv ntiaj teb. Kev lag luam nyiaj txiag thiab khoom lag luam ntau tau ntsib kev kub ntxhov ntau. Hauv tshwj xeeb, plunge hauv cov nqi roj tau coj kev cuam tshuam ntau dua rau cov roj av kev lag luam ua ke. Raws li keeb kwm yav dhau los ntawm cov nqi roj tsawg, cov paj tau paj ntawm thee-rau-ethylene glycol yuav raug nplua heev, thiab nws txoj kev ciaj sia tuaj yeem ntsib cov kev nyuaj uas tsis tau pom dua.
Source: Tshuaj Lom Zem Network
