Xigasho: Wararka Warshadaha Kiimikada Shiinaha
Noofambar 23, bogga rasmiga ah ee Wasaaradda Deegaanka iyo Deegaanka ayaa siidaayay "Liiska lagu taliyay ee Bedelka Hydrochlorofluorocarbon ee Shiinaha (Qabyo Faallo)" (oo hadda loo tixraacayo "Liiska"), isagoo ku talinaya monochlorodifluoromethane (HCFC -22), 1 ,1-dichloro-1-fluoroethane (HCFC-141b), 1-chloro-1,1-difluoroethane (HCFC-142b) 24 ka mid ah saddexda ugu muhiimsan ee dalka la soo saaro lana isticmaalo HCFC , pentane, biyo, hexafluorobutene, trifluoropropene, tetrafluoropropene, iwm.
Qofka ay khusayso ee u qaabilsan wasaaradda deegaanka iyo deegaanka ayaa sheegay in hadda ay jiraan laba nooc oo waaweyn oo ah beddelka HCFC: mid waa hydrofluorocarbons (HFCs) oo leh awood heer sare ah oo kulaylka caalamiga ah (GWP), kaas oo si weyn looga isticmaali jiray waddamada horumaray sannado badan. , waxayna sidoo kale ku guuleysteen wax soo saar ballaaran oo Shiinaha ah.warshadaynta miisaanka.Midda labaad waa beddelka qiimaha GWP hooseeya, oo ay ku jiraan dareerayaasha shaqada ee dabiiciga ah, olefins-ka fluorine-ka ah (HFO) iyo walxo kale.Si kor loogu qaado geeddi-socod-ka-baxa HCFCs, la xoojiyo natiijooyinka ka-baxitaanka iyo beddelka HCFCs, loona hago warshadaha iyo shirkadaha ay khusayso inay hal-abuuraan, horumariyaan oo isticmaalaan beddelka kaarboonka cagaaran iyo kuwa hooseeya, Wasaaradda Deegaanka iyo Deegaanka , iyadoo lagu saleynayo soo koobidda natiijooyinka ka-baxsanaanta HCFC-da tobankii sano ee la soo dhaafay, Codsiga hydrocarbons (HCFCs) ee warshadaha kala duwan, iyada oo la tixgelinayo arrimo ay ka mid yihiin qaan-gaarnimada, helitaanka, iyo saameynta beddelka ee beddelka, cilmi-baarista iyo diyaarinta. "Liiska lagu taliyay ee Beddelka HCFC-ka kooban ee Shiinaha" (halkan ka dib waxaa loo tixraacaa "Liiska"))."Liiska" ayaa ku talinaya beddelka iyo teknoolojiyadda beddelka ah ee ay aqoonsadeen warshadaha oo ay taageerayaan tusaalooyinka isticmaalka gudaha ee guuleysta ama mashaariicda bandhigga, iyadoo la dhiirigelinayo hal-abuurka iyo horumarinta beddelka GWP-hoose.
Meng Qingjun, oo ah ku xigeenka xoghayaha guud ee Ururka Warshadaha Balaastigga ee Shiinaha, ayaa sheegay in wareysi uu siiyay wariye ka socda Shiinaha Kiimikada Warshadaha News in "List" ay ku talinayso in carbon dioxide loo isticmaalo halkii HCFCs sida wakiilka xumbo ee xumbo polystyrene extruded iyo polyurethane. buufin xumbo, taas oo ah deegaanka saaxiibtinimo iyo dhaqaale labadaba, oo muujin doona rajada codsiga wanaagsan.Talaabada xigta, ururku wuxuu si firfircoon ula shaqeyn doonaa Wasaaradda Deegaanka iyo Deegaanka si loo xoojiyo kor u qaadida wakiilada xumbo-baxa ee kale ee khuseeya si loo hubiyo waxqabadka joogtada ah ee warshadaha xumbo polyurethane iyo polystyrene.
Xiang Minghua, maareeyaha guud ee Shaoxing Huachuang Polyurethane Co., Ltd., ayaa sheegay in beddelka HCFCs by carbon dioxide sida wakiilka xumbo xumbada buufin polyurethane ayaa lagu soo daray liiska "List", taas oo keeni doonta fursado horumarineed oo cusub shirkadda.Shirkaddu waxay kordhin doontaa horumarinta tignoolajiyada buufinta xumbo-dioxide iyo qalabka si ay u siiso warshadaha badbaado, deegaan saaxiibtinimo, xalal kharash-ool ah.
Sun Yu, oo ah guddoomiyaha Jiangsu Meside Chemical Co., Ltd., ayaa sheegay in "14-aad Tilmaamaha Horumarinta Shanta Sano ee Shiinaha ee Polyurethane Industry" soo jeedinaya in warshadaha polyurethane waa in la kordhiyo horumarinta iyo codsiga ee technology isku dhafan ee functional, cagaar, ammaan iyo daro deegaanka saaxiibtinimo.Si firfircoon kor loogu qaado beddelka wakiilka xumbaynta ODS.Maaddaama ay tahay unugga hormuudka ah ee mas'uulka ka ah horumarinta iyo codsiga tignoolajiyada kaaliyaha polyurethane ee Shiinaha, Meside waxay gacan ka geysaneysaa xaqiijinta beddelka wakiilada xumbo-hoose ee GWP iyada oo loo marayo hal-abuurka iyo cusboonaysiinta surfactants polyurethane (xajinta xumbo) iyo kicinta, iyo kor u qaadista hoose -carbon iyo ilaalinta deegaanka ee warshadaha.
Waqtigan xaadirka ah, dalkaygu wuxuu fulinayaa weji-saarista hydrochlorofluorocarbons (HCFCs) iyadoo la raacayo shuruudaha borotokoolka.Sida ku cad go’aankii ka soo baxay hab-maamuuska 19-aad ee shirweynaha xisbiyada dalkaygu waxa uu u baahan yahay in 2013 la hakiyo wax soo saarka iyo cunista HCFC, lana dhimo heerka gundhigga 10%, 35% iyo 67.5% marka la gaadho 2015. 2020, 2025 iyo 2030 siday u kala horreeyaan.% iyo 97.5%, iyo 2.5% ee heerka gundhigga ayaa ugu dambeyntii loo qoondeeyay dayactirka.Si kastaba ha ahaatee, dalkaygu weli ma soo saarin liiska lagu taliyey ee beddelka HCFCs.Maaddaama ciribtirka HCFC uu soo galay marxalad xasaasi ah, warshado iyo degaano kala duwan waxay si degdeg ah ugu baahan yihiin hagitaan ku saabsan beddelka si loo hubiyo waxqabadka joogtada ah ee warshadaha iyo dalka.
Waqtiga boostada: Jul-25-2022