PVC bụ ụdị plastik eji eme ihe n'ọtụtụ ebe n'ihe owuwu ụlọ. Ya mere, a gaghị edochi ya ogologo oge n'ọdịnihu, ọ ga-enwekwa ohere dị ukwuu iji ya eme ihe n'ebe ndị na-emepebeghị emepe n'ọdịnihu.
Dịka anyị niile maara, e nwere ụzọ abụọ e si emepụta PVC, otu bụ usoro ethylene zuru ụwa ọnụ, nke ọzọ bụ usoro calcium carbide pụrụ iche na China. Isi mmalite nke usoro ethylene bụ mmanụ ala, ebe isi mmalite nke usoro calcium carbide bụ coal, limestone na nnu. Akụrụngwa ndị a dị na China. Ruo ogologo oge, usoro PVC nke calcium carbide nke China anọwo n'ọkwa kachasị elu. Karịsịa site na 2008 ruo 2014, ikike mmepụta PVC nke usoro calcium carbide nke China na-amụba, mana o wetawokwa ọtụtụ nsogbu nchekwa gburugburu ebe obibi.
Ojiji ike nke mmepụta calcium carbide buru ibu nke ukwuu, yabụ nke a ga-eweta ụfọdụ ihe ịma aka nye ọkọnọ ike China. Ebe ọ bụ na ọkụ coal na-emepụta ọkụ eletrik, ọ dị mkpa ka ọ na-eri ọtụtụ coal, yabụ ọkụ coal ga-emebi ikuku. Agbanyeghị, China emeela mgbanwe ụfọdụ na amụma kemgbe ọtụtụ afọ. China na-emelite usoro ụlọ ọrụ ya mgbe niile. Ugbu a, anyị nwere ike ịhụ na China ebubatala ọtụtụ mmanụ, a na-agbakwa ụlọ ọrụ mpaghara ume ka ha bubata mmanụ iji mee ka ngwaahịa ndị dị n'okpuru ala dịkwuo mma. Ya mere, n'afọ ndị na-adịbeghị anya, etinyerela ọtụtụ ndị na-emepụta usoro ethylene ọhụrụ na China, ikike mmepụta PVC ọhụrụ niile na China n'afọ ndị na-adịbeghị anya bụ ikike mmepụta nke usoro ethylene. Ike mmepụta nke usoro calcium carbide nke China akwụsịla nkwenye ọhụrụ. Ya mere, n'ọdịnihu dị nso, ọnụọgụ osisi ethylene na China ga-anọgide na-abawanye, usoro calcium carbide ga-anọgide na-ebelata. N'ọdịnihu, olu mbupụ nke usoro ethylene nke China ga-anọgide na-abawanye, ma jiri nwayọọ nwayọọ bụrụ onye na-ebupụ usoro ethylene PVC n'ụwa.
Oge ozi: Mee-07-2022