Ethylene glycol (EG), cov tshuaj pob zeb hauv paus hauv cov khoom siv polyester, cov tshuaj tiv thaiv kab mob, thiab cov resins muaj kev lag luam, tab tom pom cov kev hloov pauv uas tau tsav los ntawm qhov tseem ceeb ntawm kev ruaj khov thiab kev vam meej. Kev tsim kho tshiab tsis ntev los no hauv cov txheej txheem tsim khoom, kev hloov kho tshiab, thiab cov ntawv thov tshiab tau hloov kho nws lub luag haujlwm hauv kev lag luam tshuaj lom neeg thoob ntiaj teb.
1. Green Synthesis Breakthroughs
Ib qho kev ua tiav hauv catalytic conversion technology yog revolutionizing ethylene glycol ntau lawm. Cov kws tshawb fawb hauv Asia tau tsim cov khoom siv tooj liab tshiab uas hloov syngas (kev sib xyaw ntawm hydrogen thiab carbon monoxide) ncaj qha rau hauv ethylene glycol nrog 95% kev xaiv, hla dhau cov tshuaj ethylene oxide intermediates. Txoj kev no txo qis kev siv hluav taws xob los ntawm 30% thiab txiav CO₂ emissions los ntawm 1.2 tons ib tuj ntawm EG tsim.
Cov txheej txheem, tam sim no hauv kev sim ntsuas, ua raws li lub hom phiaj decarbonization thoob ntiaj teb thiab tuaj yeem cuam tshuam cov txheej txheem kev tsim cov fossil-dependant. Yog tias ntsuas ntsuas, nws tuaj yeem ua rau cov nroj tsuag ethylene glycol tuaj yeem sib xyaw ua ke nrog cov pa roj carbon capture systems, tso EG raws li lub peev xwm "ntsuab tshuaj" hauv cov saw hlau.
2. Bio-Based Ethylene Glycol Gains Traction
Thaum muaj kev xav tau ntau ntxiv rau cov khoom siv ruaj khov, bio-based ethylene glycol muab tau los ntawm cov suab thaj lossis pob kws hmoov nplej tau tshwm sim los ua lwm txoj hauv kev. Kev sib koom ua ke tsis ntev los no hauv South America tau pom qhov ua tau ntawm kev ua liaj ua teb pov tseg rau hauv monoethylene glycol (MEG) nrog 40% qis carbon hneev taw dua li cov roj av sib npaug.
Kev lag luam textile, ib tus neeg siv khoom loj EG, yog piloting bio-MEG hauv polyester fiber ntau lawm, nrog cov txiaj ntsig ntxov uas qhia tau tias muaj zog tensile thiab dye affinity. Kev tswj hwm kev txhawb siab, xws li EU's Renewable Carbon Initiative, tab tom ua kom muaj kev saws me nyuam, txawm hais tias muaj teeb meem nyob ib puag ncig cov khoom lag luam scalability thiab tus nqi sib npaug.
3. Kev soj ntsuam xyuas ntawm EG Recycling
Kev txhawj xeeb loj zuj zus ntawm ethylene glycol qhov kev tiv thaiv ib puag ncig tau ua rau muaj kev txwv nruj dua. Thaum Lub Kaum Hli 2023, Tebchaws Asmeskas EPA tau tshaj tawm cov lus qhia tshiab rau EG-muaj cov dej khib nyiab pov tseg, tswj cov txheej txheem oxidation siab heev kom txo qis glycols hauv qab 50 ppm. Nyob rau tib lub sijhawm, European Union tab tom tsim cov kev hloov kho rau nws Kev Sau Npe, Kev Ntsuas, Kev Tso Cai, thiab Kev Txwv Cov Tshuaj (REACH) lub moj khaum, xav kom cov tuam txhab xa cov ntaub ntawv toxicity rau EG byproducts los ntawm 2025.
Cov kev ntsuas no tsom mus daws cov kev pheej hmoo ntawm ecological, tshwj xeeb tshaj yog nyob rau hauv cov dej ecosystems, qhov twg EG txuam nrog rau oxygen depletion hauv dej.
4. Novel Applications nyob rau hauv lub zog cia
Ethylene glycol tab tom nrhiav kev siv nyiaj tsis txaus ntseeg hauv cov khoom siv hluav taws xob tom ntej. Ib lub koom haum tshawb fawb hauv Tebchaws Europe tau tsim cov roj teeb uas tsis muaj hluav taws xob ua kom txias siv cov hloov pauv EG-dej sib xyaw, txhim kho thermal tswj hauv lithium-ion roj teeb los ntawm 25%. Lub formulation, uas ua hauj lwm zoo ntawm -40 ° C mus rau 150 ° C, yog raug sim nyob rau hauv hluav taws xob tsheb prototypes thiab daim phiaj-scale cia units.
Tsis tas li ntawd, EG-raws li theem-hloov cov ntaub ntawv (PCMs) tau txais kev saib xyuas rau hnub ci thermal zog cia, nrog rau kev sim tsis ntev los no tau ua tiav 92% lub zog tuav kev ua haujlwm ntau dua 500 lub voj voog.
5. Supply Chain Resilience thiab Regional Shifts
Geopolitical tensions thiab logistics bottlenecks tau spurred regionalization ntawm ethylene glycol ntau lawm. Cov chaw tshiab nyob rau hauv Middle East thiab Southeast Asia tau txais cov qauv tsim, me me-tsim cov khoom tsim tau zoo rau cov khoom noj khoom haus hauv zos, txo kev cia siab rau hauv nruab nrab mega-cov nroj tsuag. Qhov kev hloov pauv no tau ua tiav los ntawm AI-tsav cov khoom lag luam tswj cov khoom lag luam uas txo qis EG pov tseg hauv cov khoom qis qis xws li PET lub raj mis tsim.
Xaus: A Multifaceted Evolution
Lub ethylene glycol sector sawv ntawm txoj kev sib tshuam, ntsuas nws cov khoom siv hluav taws xob uas muaj zog nrog kev xav tau kev ruaj ntseg ceev. Innovations nyob rau hauv ntsuab synthesis, bio-raws li lwm txoj kev, thiab ncig kev lag luam daim ntawv thov yog redefining nws cov nqi saw, thaum cov kev cai nruj me ntsis underscore qhov yuav tsum tau rau ib puag ncig lub luag hauj lwm coj. Raws li kev lag luam chemical pivots mus rau decarbonization, ethylene glycol qhov kev hloov pauv yuav txiav txim siab nws qhov cuam tshuam hauv kev lag luam sai sai.
Post lub sij hawm: Apr-07-2025