PVC ke mofuta oa polasetiki o sebelisoang haholo ka thepa ea kaho.Ka hona, e ke ke ea nkeloa sebaka ka nako e telele nakong e tlang, 'me e tla ba le tebello e kholo ea ts'ebeliso libakeng tse sa ntlafatsoang haholo nakong e tlang.
Joalokaha bohle re tseba, ho na le litsela tse peli tsa ho hlahisa PVC, e 'ngoe ke mokhoa o tloaelehileng oa machaba oa ethylene,' me e 'ngoe ke mokhoa o ikhethang oa calcium carbide Chaena.Mehloli ea mokhoa oa ethylene haholo-holo petroleum, athe mehloli ea mokhoa oa calcium carbide haholo-holo mashala, mokoetla le letsoai.Lisebelisoa tsena li lebisitsoe haholo Chaena.Ka nako e telele, mokhoa oa China oa PVC oa calcium carbide esale o le maemong a etelletseng pele.Haholo-holo ho tloha ka 2008 ho ea ho 2014, mokhoa oa China oa tlhahiso ea PVC oa calcium carbide o ntse o eketseha, empa hape o tlisitse mathata a mangata a tšireletso ea tikoloho.
Tšebeliso ea matla ea tlhahiso ea calcium carbide e kholo haholo, kahoo sena se tla hlahisa mathata a mang phepelong ea motlakase ea China.Kaha motlakase o hlahisoa ke mashala a tukang, o hloka ho sebelisa mashala a mangata, kahoo ho tuka ha mashala ho tla silafatsa sepakapaka.Leha ho le joalo, China e entse liphetoho tse ling tsa maano ho theosa le lilemo.China e lula e ntlafatsa ketane ea eona ea indasteri.Joale rea bona hore China e rekile oli e ngata kantle ho naha, 'me likhoebo tsa lehae li khothaletsoa ho tsoa kantle ho naha ho hloekisa lihlahisoa tse tlase.Ka hona, lilemong tsa morao tjena, bahlahisi ba 'maloa ba bacha ba ethylene ba ekelitsoe Chaena,' me matla ohle a macha a tlhahiso ea PVC Chaena lilemong tsa morao tjena ke matla a tlhahiso ea ts'ebetso ea ethylene.Bokhoni ba tlhahiso ea mokhoa oa China oa calcium carbide bo emisitse tumello e ncha.Ka hona, haufinyane, palo ea limela tsa ethylene Chaena e tla tsoela pele ho eketseha mme ts'ebetso ea calcium carbide e tla tsoela pele ho fokotseha.Nakong e tlang, palo ea thepa ea ethylene ea China e tla tsoela pele ho eketseha, 'me butle-butle e be morekisi ea ka sehloohong oa lefats'e oa ts'ebetso ea ethylene PVC.
Nako ea poso: May-07-2022