Ethylene glycol (EG), kemikari yekona mukugadzirwa kwepolyester, antifreeze formulations, uye maresini emaindasitiri, iri kupupurira shanduko dzinofambiswa nezvinodiwa zvekusimudzira uye kufambira mberi kwetekinoroji. Zvichangoburwa zvitsva munzira dzekugadzira, zvidzoreso zvinogadziridzwa, uye zvinyorwa zvitsva zviri kugadziridza basa rayo muchikamu chemakemikari yepasi rose.
1. Green Synthesis Breakthroughs
Kubudirira mune catalytic shanduko tekinoroji kuri kushandura ethylene glycol kugadzirwa. Vatsvagiri muAsia vakagadzira chinyorwa chemhangura-chakavakirwa chinoshandura syngas (musanganiswa wehydrogen uye kabhoni monoxide) zvakananga muethylene glycol ine 95% yekusarudza, ichipfuura yechinyakare ethylene oxide yepakati. Iyi nzira inoderedza kushandiswa kwesimba ne30% uye inocheka CO₂ emissions nematani 1.2 patani yeEG yakagadzirwa.
Maitiro, iko zvino mukuyedzwa kwemutyairi, anowirirana nezvinangwa zvepasi rose decarbonization uye anogona kukanganisa akajairwa anotsamira nzira dzekugadzira. Kana yakayerwa, inogona kugonesa ethylene glycol zvidyarwa kuti zvibatanidze zvisina musono nekabhoni yekubata masisitimu, ichiisa EG seyaigona "kemikari yakasvibira" mumaketani ekutenderera.
2. Bio-Based Ethylene Glycol Inowana Traction
Pakati pekukwira kuri kudiwa kwezvinhu zvinogoneka, bio-based ethylene glycol inotorwa munzimbe kana chibage starch iri kubuda seimwe nzira inoshanda. Chirongwa chenguva pfupi yapfuura chakabatana muSouth America chakaratidza kugona kwekuvirisa tsvina yekurima kuita monoethylene glycol (MEG) ine 40% yakaderera kabhoni tsoka pane yakaenzana nepetroleum.
Indasitiri yemachira, mutengi mukuru weEG, ari kuyedza bio-MEG mukugadzirwa kwepolyester fiber, ine mhedzisiro yekutanga inoratidza kuenzana kusimba uye dhayi hukama. Zvinokurudzira zvinodzorwa, zvakaita seEU's Renewable Carbon Initiative, zviri kukurumidza kutorwa, kunyange hazvo zvimhingamipinyi zvakatenderedza feedstock scalability uye mutengo wakaenzana uchiramba.
3. Regulatory Kuongorora paEG Recycling
Kuwedzera kunetseka pamusoro pekutsungirira kwezvakatipoteredza ethylene glycol kwakakurudzira mitemo yakasimba. Muna Gumiguru 2023, iyo US EPA yakakurudzira yakagadziridzwa nhungamiro yeEG-ine ine tsvina inoraswa, ichiraira epamberi oxidation maitiro ekusvibisa akasara glycols pazasi 50 ppm. Saizvozvo, European Union iri kunyora gadziridzo kune yayo Kunyoresa, Kuongorora, Mvumo, uye Restriction yeMakemikari (REACH) chimiro, ichida kuti vagadziri vatumire dhata rehupfu hweEG byproducts panosvika 2025.
Matanho aya ane chinangwa chekugadzirisa njodzi dzezvakatipoteredza, kunyanya munzvimbo dzemumvura, uko kuunganidzwa kweEG kwakabatana nekuderera kweokisijeni mumiviri yemvura.
4. Novel Applications muEnergy Storage
Ethylene glycol iri kuwana zvisingatarisirwi zvinoshandiswa mune inotevera-chizvarwa chekuchengetedza simba masisitimu. Imwe mubatanidzwa wekutsvagisa muEurope yakagadzira bhatiri risingabatike rinotonhodza richishandisa yakagadziridzwa EG-mvura musanganiswa, ichiwedzera kutungamira kwekupisa mumabhatiri e-lithium-ion ne25%. Iyo yakagadzirwa, inoshanda zvakanaka pa -40 ° C kusvika 150 ° C, iri kuedzwa mumagetsi emotokari prototypes uye grid-scale storage units.
Pamusoro pezvo, EG-based phase-change-change materials (PCMs) iri kuwana tarisiro yekuchengetedza simba rezuva, nemiedzo ichangoburwa ichiwana 92% kuchengetedza simba pamusoro pemazana mazana mashanu.
5. Supply Chain Resilience uye Nharaunda Shifts
Geopolitical tension uye logistics mabhodhoro akakurudzira dunhu rekugadzirwa kwe ethylene glycol. Zvivakwa zvitsva muMiddle East neSoutheast Asia zviri kutora modular, zvidiki-zvidiki-zviyero zvikamu zvekugadzira zvakagadziridzwa kuwanikwa kwenzvimbo dzekudya, zvichideredza kuvimba nepakati mega-zvidyarwa. Iyi shanduko inowedzerwa neAI-inotyairwa inventory manejimendi masisitimu ayo anoderedza marara eEG munzvimbo dzakadzika sePET bhodhoro rekugadzira.
Mhedziso: A Multifaceted Evolution
Iyo ethylene glycol sector inomira pamharadzano yemigwagwa, ichienzanisa yakadzika midzi maindasitiri ekushandisa pamwe nekukasira kusimudzira zvinodiwa. Kuvandudzwa kwegirinhi synthesis, bio-based dzimwe nzira, uye denderedzwa hupfumi mashandisiro ari kutsanangudza kukosha kwayo, ukuwo mirau yakasimba inosimbisa kukosha kwemaitiro ane chekuita nenharaunda. Sezvo indasitiri yemakemikari inotenderera yakananga ku decarbonization, kuchinjika kwe ethylene glycol kucharatidza kukosha kwayo mumusika unokurumidza kubuda.
Nguva yekutumira: Kubvumbi-07-2025