Ntughari n'ọkara nke abụọ nke afọ amalitela, na ọnụ ọgụgụ dị ukwuu nke imegharị ihe na-elekwasị anya na Julaị-August, ihe ndị na-emepụta ihe na-emepụta ihe amalitela ibelata. Na mgbakwunye, ụfọdụ ndị na-emepụta akụrụngwa wepụtara ọkwa ike majeure, nke mere ka ọnụ ahịa ahịa siri ike ka njọ.

Akwụsịla! Wanhua mmezi, BASF, Covestro na ndị ọzọ ike majeure!

Wanhua Chemical wepụtara ọkwa nkwusioru mmepụta na Julaị 6, na-ekwupụta na ọ ga-amalite mmepụta na mmezi na Julaị 10, a na-atụkwa anya na mmezi ahụ ga-abụ ụbọchị 25.

Na mgbakwunye, enwere ọtụtụ ngwaọrụ MDI nke dabara n'ike majeure na mmechi maka mmezi.

▶Covestro: na July 2 kwupụtara ike majeure nke 420,000 ton / afọ MDI ngwaọrụ na Germany, 330,000 tọn / afọ MDI na United States na ndị ọzọ ngwaahịa;

▶Huntsman: A na-enyocha ma rụkwaa ya ọtụtụ oge site na March ruo June, ma ugbu a ọtụtụ nrụnye n'ụlọ na ná mba ọzọ na-adọba ụgbọala;

▶ Ngwa MDI nke BASF, Dow, Tosoh, Ruian na osisi ndị ọzọ bụ isi ka ejiri megharịa wee kwụsị mmepụta.

Wanhua Chemical, BASF, Huntsman, Covestro, na Dow bụ 90% nke ikike mmepụta MDI zuru ụwa ọnụ. Ugbu a ngwaọrụ ndị a na-eduga na-enwe mmetụta na-adịghị mma, na ihe niile akwụsịla mmepụta ma kwụsị mmepụta. Mmepụta agbadala nke ukwuu. Ahịa MDI adịla nhịahụ ike. Ọnụ ahịa ahịa ebilila otu otu. Dị ka mgbada dị n'okpuru kwesịrị ịgbaso, ndị na-ejide ya na-agbali elu, na ngụ otu ụbọchị ga-ebili site na 100-350 yuan / ton. A na-atụ anya na MDI ga-ebilite na ọkara nke abụọ nke afọ.

Ndị dike ahụ ewelitela echiche ha! Enwere ike ịtụ anya uru na nkeji nke atọ!
Nkwụsị nke mmepụta na mmezi nke nnukwu ụlọ ọrụ na-aga n'ihu na-abawanye, na ngwa ahịa ahịa agbadala ọzọ. Ka ọ dị ugbu a, nnukwu ngwaahịa kemịkalụ nwere teknụzụ dị elu na ahịa amalitela ịrị elu nke ọma.

Dabere na ndepụta ụlọ ọrụ kemịkalụ n'ime ụbọchị 5 gara aga, mkpokọta ngwaahịa kemịkalụ 38 na-arị elu. Uru atọ kachasị elu bụ: polymeric MDI (9.66%), formic acid (7.23%), na propane (6.22%).

Nkwụsi ike ọnụ ahịa mba ebutela ọnụ ahịa nke ọtụtụ ngwaahịa kemịkal laghachi n'ọkwa ezi uche dị na ya. Otú ọ dị, n'ihi mmụba na-adịbeghị anya na-eduga mgbanwe na ike na-atụghị anya ya na-emekarị, ahịa ahụ amalitela ichegbu onwe ya maka ụkọ ọla edo, itoolu na ọlaọcha, ụfọdụ ndị na-ere ahịa amalitela ịkwakọba ọnụ ahịa dị ala n'oge oge. A na-atụ anya na a ga-enwe ihe ize ndụ nke ụkọ na nkeji nke anọ ma ọ bụ ọnụ ahịa ahịa ga-ebuli ọzọ. Ugbu a, anyị na-eleba anya na ahịa kemịkalụ na-apụ apụ ma na-echekwa oge.