Ho ya ka tlhahisoleseding ya moraorao ya lekgetho, maemo a kgwebo a China bakeng sa dichloromethane (DCM) le trichloromethane (TCM) ka Hlakola 2025 le dikgwedi tse pedi tsa pele tsa selemo a senotse mekgwa e fapaneng, e bontshang phetoho ya tlhoko ya lefatshe le bokgoni ba tlhahiso ya lehae.
Dichloromethane: Diromelwantle di Kgothaletsa Kgolo
Ka Hlakola 2025, Chaena e ile ea reka lithane tse 9.3 tsa dichloromethane, e leng se bontšang keketseho e makatsang ea 194.2% selemo le selemo. Leha ho le joalo, kakaretso ea thepa e tsoang kantle ho naha bakeng sa Pherekhong-Hlakola 2025 e bile lithane tse 24.0, e theohile ka 64.3% ha e bapisoa le nako e tšoanang ka 2024.
Dithomello tse tswang kantle ho naha di boletse pale e fapaneng. Hlakola e bone ditone tse 16,793.1 tsa DCM tse rometsweng kantle ho naha, e leng keketseho ya 74.9% selemo le selemo, ha dithomello tse rometsweng kantle ho naha dikgweding tse pedi tsa pele di fihlile ho ditone tse 31,716.3, e leng keketseho ya 34.0%. Korea Borwa e hlahile e le sebaka se ka sehloohong ka Hlakola, e reka ditone tse 3,131.9 (18.6% ya dithomello tsohle tse rometsweng kantle ho naha), e latelwa ke Turkey (ditone tse 1,675.9, 10.0%) le Indonesia (ditone tse 1,658.3, 9.9%). Bakeng sa Pherekgong-Hlakola, Korea Borwa e ile ya dula e etella pele ka ditone tse 3,191.9 (10.1%), ha Nigeria (ditone tse 2,672.7, 8.4%) le Indonesia (ditone tse 2,642.3, 8.3%) di ile tsa nyoloha maemong.
Keketseho e matla ea thepa e romelloang kantle ho naha ea DCM e totobatsa bokhoni ba tlhahiso bo ntseng bo hola ba Chaena le litheko tsa tlholisano 'marakeng oa lefats'e, haholo-holo bakeng sa litharollo tsa indasteri le lits'ebetso tsa meriana. Bahlahlobisisi ba amahanya kholo ena le tlhoko e eketsehileng e tsoang moruong o ntseng o hlaha le liphetoho tsa ketane ea phepelo limmarakeng tsa bohlokoa tsa Asia.
Trichloromethane: Ho Fokotseha ha ho Romelloa Linaheng Tse Ling ho Hlalosa Liphephetso tsa 'Maraka
Khoebo ea Trichloromethane e ile ea penta setšoantšo se fokolang. Ka Hlakola 2025, Chaena e ile ea kenya lithane tse 0.004 tsa TCM kantle ho naha, ha thepa e romelloang kantle ho naha e theohile ka 62.3% selemo le selemo ho ea ho lithane tse 40.0. Litheko tse kopaneng tsa thepa e tsoang kantle ho naha ka Pherekhong-Hlakola li ile tsa bonahatsa mokhoa ona, tsa theoha ka 100.0% ho ea ho lithane tse 0.004, 'me thepa e romelloang kantle ho naha e theoha ka 33.8% ho ea ho lithane tse 340.9.
Korea Boroa e ile ea laola thepa e romeloang kantle ho naha ea TCM, ea monya 100.0% ea thepa e rometsoeng ka Hlakola (lithane tse 40.0) le 81.0% (lithane tse 276.1) likhoeling tse peli tsa pele. Argentina le Brazil ka 'ngoe li ne li ikarabella bakeng sa 7.0% (lithane tse 24.0) ea kakaretso nakong ea Pherekhong-Hlakola.
Ho fokotseha ha thepa e romeloang kantle ho naha ea TCM ho bontša hore tlhoko ea lefats'e e fokotsehile, e ka 'nang ea amahanngoa le melaoana ea tikoloho e felisang tšebeliso ea eona lihatsetsing le taolo e thata lits'ebetsong tse amanang le chlorofluorocarbon (CFC). Bahlahlobi ba indasteri ba hlokomela hore ho tsepamisa maikutlo ha Chaena mekhoeng e meng e metle ho ka 'na ha sitisa tlhahiso le khoebo ea TCM haholo nakong e mahareng.
Litlamorao tsa 'Maraka
Mekhoa e fapaneng ea DCM le TCM e totobatsa mekhoa e pharaletseng lefapheng la lik'hemik'hale. Leha DCM e rua molemo ho feto-fetoha ha eona tlhahisong le litharollong, TCM e tobane le mathata ka lebaka la likhatello tsa botsitso. Karolo ea Chaena joalo ka morekisi e moholo oa DCM e kanna ea matlafala, empa lits'ebetso tse ikhethileng tsa TCM li ka bona ho fokotseha ho tsoelang pele ntle le haeba ts'ebeliso e ncha ea indasteri e hlaha.
Bareki ba lefats'e ka bophara, haholo-holo Asia le Afrika, ba lebelletsoe ho itšetleha haholo ka thepa ea China DCM, athe limmaraka tsa TCM li ka fetohela ho bahlahisi ba lik'hemik'hale tse ikhethang kapa libaka tse nang le maano a tikoloho a sa thata haholo.
Mohloli oa Lintlha: Lekhetho la Chaena, Hlakola 2025
Nako ea poso: Mmesa-17-2025