Ethylene glycol (EG), wani sinadari na ginshiƙi a cikin samar da polyester, ƙirar daskarewa, da resins na masana'antu, yana shaida ci gaba mai canzawa ta hanyar buƙatun dorewa da ci gaban fasaha. Sabbin sabbin abubuwa na kwanan nan a hanyoyin samarwa, sabuntawar tsari, da aikace-aikacen sabbin abubuwa suna sake fasalin matsayin sa a sashin sinadarai na duniya.
1. Green Synthesis Breakthroughs
Ci gaba a fasahar jujjuyawar catalytic shine juyin juya halin samar da ethylene glycol. Masu bincike a Asiya sun ƙirƙira wani labari na tushen jan ƙarfe wanda ke canza syngas (haɗin hydrogen da carbon monoxide) kai tsaye zuwa ethylene glycol tare da zaɓi na 95%, yana ƙetare matsakaicin ethylene oxide na gargajiya. Wannan hanyar tana rage yawan amfani da makamashi da kashi 30% kuma tana rage hayakin CO₂ da tan 1.2 akan kowace tan na EG da aka samar.
Tsarin, a yanzu yana cikin gwajin matukin jirgi, ya yi daidai da manufofin rarrabuwa na duniya kuma zai iya tarwatsa hanyoyin samar da burbushin da suka dogara da burbushi na al'ada. Idan an daidaita shi, zai iya ba da damar shuke-shuken ethylene glycol su haɗa kai tare da tsarin kama carbon, sanya EG a matsayin yuwuwar "sinadaran kore" a cikin sarƙoƙin samar da madauwari.
2. Ƙarfafawar Ethylene Glycol na tushen Bio-Based
A cikin haɓakar buƙatar kayan ɗorewa, tushen ethylene glycol da aka samu daga rake ko sitacin masara yana fitowa a matsayin madadin mai yiwuwa. Wani yunƙurin haɗin gwiwa na baya-bayan nan a Kudancin Amurka ya nuna yuwuwar haƙar da sharar noma zuwa monoethylene glycol (MEG) tare da ƙarancin sawun carbon da kashi 40% fiye da daidaitattun tushen man fetur.
Masana'antar yadi, babban mabukaci na EG, yana gwajin bio-MEG a cikin samar da fiber polyester, tare da sakamako na farko yana nuna kwatankwacin ƙarfin ƙarfi da alaƙar rini. Abubuwan ƙarfafawa na tsari, kamar Ƙaddamarwar Carbon Sabuntawar EU, suna haɓaka karɓowa, kodayake ƙalubalen da ke tattare da haɓakar kayan abinci da daidaiton farashi na ci gaba.
3. Bincika ka'idoji akan sake amfani da EG
Damuwar damuwa game da dorewar muhalli na ethylene glycol sun haifar da tsauraran ƙa'idodi. A cikin Oktoba 2023, EPA ta Amurka ta ba da shawarar sabunta ƙa'idodin don fitar da ruwa mai ɗauke da EG, wanda ke ba da umarnin ci gaba da aiwatar da iskar oxygen don rage ragowar glycols ƙasa da 50 ppm. A lokaci guda, Tarayyar Turai tana tsara bita ga tsarin yin rajista, kimantawa, izini, da ƙuntataccen tsarin sinadarai (REACH), yana buƙatar masana'antun su ƙaddamar da bayanan guba don samfuran EG ta 2025.
Waɗannan matakan suna da nufin magance haɗarin muhalli, musamman a cikin yanayin yanayin ruwa, inda aka danganta tarin EG da ƙarancin iskar oxygen a cikin ruwa.
4. Novel Applications in Energy Storage
Ethylene glycol yana samun amfanin da ba zato ba tsammani a cikin tsarin ajiyar makamashi na gaba. Ƙungiya mai bincike a Turai ta ƙera na'urar sanyaya baturi mara ƙonewa ta amfani da gyare-gyaren gauran ruwa na EG-ruwa, yana haɓaka sarrafa zafi a cikin batir lithium-ion da kashi 25%. Tsarin, wanda ke aiki da kyau a -40 ° C zuwa 150 ° C, ana gwada shi a cikin samfuran motocin lantarki da na'urorin ajiyar ma'auni.
Bugu da ƙari, kayan canjin lokaci na tushen EG (PCMs) suna samun kulawa don ajiyar makamashin zafin rana, tare da gwaje-gwajen baya-bayan nan da suka sami nasarar riƙe ƙarfin 92% sama da zagayowar 500.
5. Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwaƙwalwa na Yanki
Tashin hankali na siyasa da ƙuƙumman dabaru sun haifar da yanki na samar da ethylene glycol. Sabbin wurare a Gabas ta Tsakiya da Kudu maso Gabashin Asiya suna ɗaukar nau'ikan samarwa masu ƙanƙanta waɗanda aka inganta don wadatar kayan abinci na gida, rage dogaro ga tsire-tsire masu girma. Wannan canjin yana haɓaka ta tsarin sarrafa kayan ƙira na AI wanda ke rage sharar EG a cikin sassan ƙasa kamar kera kwalban PET.
Kammalawa: Juyin Halitta Mai Fuska
Sashin ethylene glycol yana tsaye a tsaka-tsaki, yana daidaita kayan aikin masana'anta tare da buƙatun dorewa na gaggawa. Sabuntawa a cikin haɗin kore, madadin tushen halittu, da aikace-aikacen tattalin arziki madauwari suna sake fasalin sarkar darajar sa, yayin da tsauraran ƙa'idodi ke nuna buƙatar ayyukan da ke da alhakin muhalli. Yayin da masana'antar sinadarai ke ci gaba da haɓakawa, daidaitawar ethylene glycol zai ƙayyade mahimmancinsa a cikin kasuwa mai tasowa cikin sauri.
Lokacin aikawa: Afrilu-07-2025