Isi mmalite: Akụkọ China Chemical Industry
Na Nọvemba 23, webụsaịtị gọọmentị nke Ministry of Ecology and Environment weputara “Ndepụta akwadoro nke Hydrochlorofluorocarbon nnọchi na China (Draft for Comment)” (nke a na-akpọ ya “Ndepụta”), na-atụ aro monochlorodifluoromethane (HCFC -22), 1 ,1-dichloro-1-fluoroethane (HCFC-141b), 1-chloro-1,1-difluoroethane (HCFC-142b) 24 n'ime isi atọ a na-emepụta n'ụlọ ma jiri HCFC 1 ụzọ ọzọ, gụnyere 6 ndị na-emepụta ụfụfụ ọzọ, gụnyere carbon dioxide. , pentane, mmiri, hexafluorobutene, trifluoropropene, tetrafluoropropene, wdg.
Onye dị mkpa nke na-ahụ maka Ministry of Ecology and Environment kwuru na ugbu a, e nwere ụdị isi abụọ nke HCFC ọzọ: otu bụ hydrofluorocarbons (HFCs) nwere nnukwu okpomọkụ zuru ụwa ọnụ (GWP), bụ nke ejirila ọtụtụ afọ na mba ndị mepere emepe kemgbe ọtụtụ afọ. , ma nwetakwa nnukwu mmepụta na China.ọnụ ọgụgụ mmepụta ihe.Nke abụọ bụ ihe ngbanwe uru GWP dị ala, gụnyere mmiri mmiri na-arụ ọrụ eke, olefins nwere fluorine (HFO) na ihe ndị ọzọ.Iji kwalite usoro mwepu nke HCFC, mee ka nsonaazụ nke mwepu na nnọchi nke HCFC dị ike, wee duzie ụlọ ọrụ na ụlọ ọrụ dị mkpa ka ha wepụta, mepụta na iji ụzọ ndụ ndụ ndụ na obere carbon dị ala, Ministry of Ecology and Environment. , na ndabere nke ichikota nchoputa nke nbipu nke HCFC n'ime afo iri gara aga, Ngwa nke hydrocarbons (HCFCs) na ụlọ ọrụ dị iche iche, na-atụle ihe ndị dị ka ntozu okè, nnweta, na ngbanwe mmetụta nke uzo ozo, nyocha na nhazi. "Ndepụta akwadoro nke HCFC-nwere ndị nnọchi na China" (nke a na-akpọ ya "Ndepụta"))."Ndepụta" ahụ na-atụ aro ka ndị ọzọ na teknụzụ ndị ọzọ nke ụlọ ọrụ ahụ ghọtara ma kwado ya site na iji ihe eji eme ụlọ eme ihe na-aga nke ọma ma ọ bụ ọrụ ngosi, na-agba ume ọhụrụ na nkwalite nke obere GWP ọzọ.
Meng Qingjun, onye osote odeakwụkwọ ukwu nke China Plastics Processing Industry Association, kwuru na N'ajụjụ ọnụ onye nta akụkọ sitere na China Chemical Industry News na "Ndepụta" na-atụ aro ka e jiri carbon dioxide mee ihe kama HCFC dị ka onye na-eme ụfụfụ maka ụfụfụ polystyrene extruded na polyurethane. ịgba ụfụfụ, nke bụ ma gburugburu ebe obibi na nke akụ na ụba, ma ga-egosipụta atụmanya ngwa ka mma.Na nzọụkwụ na-esote, mkpakọrịta ahụ ga-arụkọ ọrụ ọnụ na Ministry of Ecology and Environment iji mee ka nkwalite nke ndị ọzọ na-agbapụta ụfụfụ dị mkpa iji hụ na arụmọrụ na-aga n'ihu nke ụlọ ọrụ polyurethane na polystyrene foam.
Xiang Minghua, onye isi njikwa nke Shaoxing Huachuang Polyurethane Co., Ltd., kwuru na ngbanwe nke HCFC site na carbon dioxide dị ka onye na-emepụta ụfụfụ maka ụfụfụ polyurethane ka edepụtara na "Ndepụta", nke ga-eweta ohere mmepe ọhụrụ na ụlọ ọrụ ahụ.Ụlọ ọrụ ahụ ga-amụba nkwalite nke nkà na ụzụ na-efesa ụfụfụ carbon dioxide iji mee ka ụlọ ọrụ ahụ nweta ihe ngwọta dị mma, gburugburu ebe obibi, na-akwụ ụgwọ.
Sun Yu, onye isi oche nke Jiangsu Meside Chemical Co., Ltd., kwuru na "Ntuziaka mmepe afọ ise nke 14 maka ụlọ ọrụ Polyurethane nke China" na-atụ aro na ụlọ ọrụ polyurethane kwesịrị ịbawanye mmepe na ngwa nke teknụzụ mejupụtara maka ịrụ ọrụ, akwụkwọ ndụ akwụkwọ ndụ, nchekwa na nchekwa. mgbakwunye gburugburu enyi na enyi.Na-arụsi ọrụ ike na-akwalite nnọchi nke onye na-eme ụfụfụ ODS.Dị ka ndị na-eduga unit maka mmepe na ngwa nke polyurethane auxiliary compound technology na China, Meside na-enyere aka ịghọta ngbanwe nke obere GWP foaming agents site na ọhụrụ na nkwalite nke polyurethane surfactants (foam stabilizers) na catalysts, na-akwalite ndị dị ala. - carbon na nchekwa gburugburu ebe obibi nke ụlọ ọrụ.
Ka ọ dị ugbu a, obodo m na-eme nkwụsị nke hydrochlorofluorocarbons (HCFCs) dị ka ihe achọrọ nke protocol.Dị ka mkpebi nke 19th Protocol nke Nzukọ nke Parties, mba m kwesịrị ifriizi mmepụta na oriri nke HCFCs na baseline larịị na 2013, na ibelata baseline larịị site 10%, 35% na 67.5% site 2015. 2020, 2025 na 2030 n'otu n'otu.% na 97.5%, na 2.5% nke ọkwa ntọala ka edobere maka mmezi.Agbanyeghị, obodo m enyebeghị ndepụta ndị akwadoro maka HCFC.Ka mkpochapụ nke HCFC abanyela n'ọnọdụ dị oke egwu, ụlọ ọrụ dị iche iche na mpaghara dị iche iche chọrọ nduzi ngwa ngwa na ndị nnọchi anya iji hụ na arụmọrụ ụlọ ọrụ na obodo na-aga n'ihu.
Oge nzipu: Jul-25-2022