I-Monoethylene Glycol (MEG), enenombolo ye-Chemical Abstracts Service (CAS) 2219-51-4, yikhemikhali ebalulekileyo yemizi-mveliso esetyenziswa kakhulu ekuveliseni iifayibha ze-polyester, ii-resin ze-polyethylene terephthalate (PET), iifomyula ze-antifreeze, kunye nezinye iikhemikhali ezikhethekileyo. Njengezinto eziphambili kwimizi-mveliso emininzi, i-MEG idlala indima ebalulekileyo kwiikhonkco zobonelelo lwehlabathi. Imakethi ye-MEG ibone utshintsho olukhulu kwiminyaka yakutshanje ngenxa yokutshintsha kweepateni zemfuno, amandla okutya, kunye neemeko eziguqukayo zomthetho. Eli nqaku liphonononga imeko yangoku yemarike kunye neendlela zexesha elizayo ezibumba imboni ye-MEG.
Imeko yeMarike yangoku
1. Imfuno ekhulayo evela kwiPolyester kunye nePET Industries**
Eyona ndlela isetyenziswa kakhulu yi-MEG kukuvelisa iifayibha ze-polyester kunye nee-PET resins, ezisetyenziswa kakhulu kwimpahla yokunxiba, ukupakisha, kunye neebhotile zeziselo. Ngenxa yokwanda kokusetyenziswa kweempahla ezipakishiweyo kunye namalaphu okwenziwa, ingakumbi kumazwe asakhasayo, imfuno ye-MEG isaqhubeka inamandla. Ummandla wase-Asia-Pacific, okhokelwa yi-China ne-India, uyaqhubeka nokukhokela ukusetyenziswa ngenxa yokwanda kwemizi-mveliso kunye nokukhula kwezixeko.
Ukongeza, ukutshintshela kwizisombululo zokupakisha ezizinzileyo kuye kwanyusa ukusetyenziswa kwe-PET ephinda isetyenziswe (rPET), ixhasa ngokungathanga ngqo imfuno ye-MEG. Nangona kunjalo, eli shishini lijongene nemingeni evela kumaxabiso e-oyile ekrwada aguqukayo, njengoko i-MEG ngokuyintloko ifumaneka kwi-ethylene, isitokhwe esisekelwe kwi-petroleum.
2. Usetyenziso lwe-Antifreeze kunye ne-Coolerant
I-MEG yinxalenye ebalulekileyo kwi-antifreeze kunye ne-coolant formulations, ngakumbi kwiinkqubo zeemoto kunye ne-HVAC. Ngelixa imfuno evela kweli candelo ihlala izinzile, ukunyuka kwezithuthi zombane (ii-EV) kuveza amathuba kunye nemingeni. Izithuthi zemveli zenjini yokutsha zifuna i-antifreeze esekelwe kwi-MEG, kodwa ii-EV zisebenzisa ubuchwepheshe obahlukeneyo bokupholisa, obunokutshintsha amandla emfuno yexesha elide.
3. Uphuhliso lweCandelo loNikezelo kunye neMveliso
Imveliso ye-MEG yehlabathi igxile kwiindawo ezine-ethylene eninzi, efana ne-Middle East, i-North America, ne-Asia. Ukwanda kwakutshanje kwamandla e-ethylene, ngakumbi e-US nase-China, kuye kwaphucula ukufumaneka kwe-MEG. Nangona kunjalo, ukuphazamiseka kwezixhobo, uxinzelelo lwezopolitiko, kunye nokuguquguquka kwamaxabiso amandla kuyaqhubeka nokuchaphazela uzinzo lobonelelo.
Imithetho yokusingqongileyo nayo inefuthe kwiindlela zokuvelisa. Abavelisi baya behlola ngakumbi i-MEG esekwe kwi-bio ephuma kumoba okanye umbona njengendlela ezinzileyo endaweni ye-MEG esekwe kwi-petroleum. Nangona i-bio-MEG okwangoku inesabelo esincinci semarike, ukwamkelwa kwayo kulindeleke ukuba kukhule njengoko amashishini ebeka phambili ukunciphisa i-carbon footprint.
Iindlela zeMarike zeXesha elizayo
1. Amanyathelo oQoqosho oluZinzileyo nolujikelezayo
Ukuqhubela phambili uzinzo kukutshintsha imarike ye-MEG. Abasebenzisi abaphambili, ingakumbi kwimizi-mveliso yokupakisha kunye neyamalaphu, baphantsi koxinzelelo lokwamkela izinto ezinobuhlobo nokusingqongileyo. Oku kukhokelele ekwandeni kotyalo-mali kwi-MEG esekwe kwibhayoloji kunye nobuchwepheshe bokuphinda usebenzise iikhemikhali obuguqula inkunkuma ye-PET ibe yi-MEG kunye ne-purified terephthalic acid (PTA).
Oorhulumente kunye namaqumrhu alawulayo basebenzisa imigaqo-nkqubo engqongqo malunga nenkunkuma yeplastiki, nto leyo eqhubela phambili imfuno yezinto ezinokuphinda zisetyenziswe nezibolayo. Iinkampani ezinokuhambelana nezi njongo zozinzo zinokwenzeka ukuba zifumane ithuba lokukhuphisana kwiminyaka ezayo.
2. Uphuhliso lweTekhnoloji kwiMveliso
Ubuchule kwiinkqubo zemveliso ye-MEG kulindeleke ukuba buphucule ukusebenza kakuhle kwaye bunciphise impembelelo yokusingqongileyo. Kuphuhliswa ubuchwepheshe be-Catalytic obunciphisa ukusetyenziswa kwamandla kunye nokukhutshwa komoya. Ukongeza, ukuqhubela phambili ekubanjweni nasekusetyenzisweni kwekhabhoni (i-CCU) kunokwenza imveliso ye-MEG esekelwe kwifosili ibe nokuzinza ngakumbi.
Enye indlela entsha kukudibanisa ubuchwepheshe bedijithali obufana ne-AI kunye ne-IoT kwizityalo zokuvelisa ukuze kuphuculwe isivuno semveliso kwaye kuncitshiswe ixesha lokungasebenzi. Ezi zinto zintsha zinokukhokelela kwimveliso ye-MEG engabizi kakhulu neluhlaza ngakumbi ekuhambeni kwexesha.
3. Utshintsho kwiMfuno yeSithili kunye nokuhamba koRhwebo
I-Asia-Pacific iza kuhlala ingumthengi omkhulu we-MEG, iqhutywa kukwanda kwamashishini eempahla zelaphu kunye nokupakisha. Nangona kunjalo, i-Afrika kunye ne-Southeast Asia zivela njengeemarike ezintsha ezikhulayo ngenxa yokwanda kwemizi-mveliso kunye nokukhula kwezixeko.
Iinguqu kwezorhwebo nazo ziyatshintsha. Nangona uMbindi Mpuma usaqhubeka nokuba ngumthengisi ophambili ngenxa yesondlo se-ethylene esinexabiso eliphantsi, uMntla Melika uqinisa isikhundla sawo nge-ethylene efumaneka kwi-shale gas. Okwangoku, iYurophu igxile kwi-MEG esekelwe kwi-bio kwaye iphinda isetyenziswe ukuze ihlangabezane neenjongo zayo zozinzo, okunokunciphisa ukuxhomekeka kwiimveliso ezingeniswa kwamanye amazwe.
4. Impembelelo yeZithuthi zoMbane kunye neeTekhnoloji eziKhethekileyo
Utshintsho lwecandelo leemoto ukuya kwii-EV lunokunciphisa imfuno yesiqhelo yokuthintela ukukhenkceza, kodwa amathuba amatsha anokuvela kwiinkqubo zolawulo lobushushu bebhetri. Uphando luyaqhubeka ukuze kuchongwe ukuba ngaba i-MEG okanye ezinye izinto zokupholisa ziya kukhethwa kwii-EV zesizukulwana esilandelayo.
Ngaphezu koko, uphuhliso lwezinto ezizezinye, ezifana neeplastiki ezibolayo, lunokukhuphisana okanye luhambelane neemveliso ezisekwe kwi-MEG. Abachaphazelekayo kushishino kufuneka bajonge ezi ndlela ukuze balungelelanise amaqhinga abo ngokufanelekileyo.
Imarike ye-Monoethylene Glycol (MEG) yehlabathi itshintsha kakhulu ngenxa yokutshintsha kweepateni zemfuno, uxinzelelo lokuzinza, kunye nophuhliso lwetekhnoloji. Ngelixa usetyenziso lwendabuko kwi-polyester kunye ne-antifreeze luhlala luphambili, eli shishini kufuneka lizivumelanise neendlela ezintsha ezifana nemveliso esekwe kwi-bio, iimodeli zoqoqosho olujikelezayo, kunye nokutshintsha kwesimo sengingqi. Iinkampani ezityala imali kwiinkqubo ezizinzileyo kunye nobuchwepheshe obutsha ziya kuba kwindawo efanelekileyo yokuphumelela kwimeko-bume ye-MEG eguqukayo.
Njengoko ihlabathi lisiya kwizisombululo eziluhlaza, indima ye-MEG kuqoqosho olunekhabhoni ephantsi iya kuxhomekeka ekubeni eli shishini lizilinganisela njani iindleko, ukusebenza, kunye nempembelelo yokusingqongileyo. Abachaphazelekayo kulo lonke uthotho lwexabiso kufuneka basebenzisane ukuqinisekisa ukukhula kwexesha elide kunye nokuqina kule marike ibalulekileyo yeekhemikhali.
Ixesha lokuthumela: Agasti-22-2025