1. Nchịkọta nke yinye ụlọ ọrụ:
Aha zuru oke nke polylactic acid bụ poly lactic acid ma ọ bụ poly lactic acid. Ọ bụ ihe polyester dị elu nke molekul enwetara site na polymerization na lactic acid ma ọ bụ lactic acid dimer lactide dị ka monomer. Ọ bụ nke a sịntetik elu molekụla ihe na nwere àgwà nke ndu ndabere na degenradability. Ka ọ dị ugbu a, polylactic acid bụ plastik biodegradad nke nwere mmepụta ihe tozuru oke, mmepụta kachasị na nke a na-ejikarị n'ụwa. The elu nke polylactic acid ụlọ ọrụ bụ ụdị nile nke isi akụrụngwa, dị ka ọka, okpete, sugar beet, wdg, n'etiti erute bụ nkwadebe nke polylactic acid, na ala bụ tumadi ngwa nke polylactic acid, gụnyere gburugburu ebe obibi nchebe. tableware, nkwakọ nchekwa gburugburu ebe obibi, wdg.
2. Upstream ụlọ ọrụ
Ka ọ dị ugbu a, akụrụngwa nke ụlọ ọrụ polylactic acid dị n'ụlọ bụ lactic acid, a na-akwadokwa lactic acid site na ọka, okpete, sugar beet na ngwaahịa ndị ọzọ a na-akọ ugbo. Ya mere, ụlọ ọrụ na-akụ ihe ọkụkụ nke ọka na-achị bụ ụlọ ọrụ dị elu nke yinye ụlọ ọrụ polylactic acid. Site n'echiche nke mmepụta ọka na mpaghara ihe ọkụkụ nke China, mmepụta ihe ọkụkụ nke China ga-eru nde tọn 272.55 na 2021, nke nwere nnukwu ọnụ ọgụgụ, ebe a na-akụ ihe na-eguzosi ike na hectare 40-45 ruo ọtụtụ afọ. Site na ntinye ọka na-adịte aka na China, enwere ike ịtụ anya na ọkọnọ ọka ga-anọgide na-adịgide adịgide n'ọdịnihu.
Banyere akụrụngwa ndị ọzọ enwere ike iji mepụta lactic acid, dị ka okpete na sugar beet, ngụkọta mmepụta nke China na 2021 bụ nde tọn 15.662, nke dị ala karịa nke ahụ n'afọ ndị gara aga, mana ka nọ n'ogo nkịtị. Ụlọ ọrụ gburugburu ụwa na-enyochakwa ụzọ ọhụrụ ha si akwadebe lactic acid, dị ka iji isi iyi shuga dị n'ime eriri osisi dị ka ahịhịa na sawdust iji kwadebe lactic acid ma ọ bụ nyochaa usoro iji methane na-emepụta lactic acid. N'ozuzu, ọkọnọ nke ụlọ ọrụ dị elu nke polylactic acid ga-adị mma n'ọdịnihu.
3. Midstream ụlọ ọrụ
Dị ka ihe na-emebi emebi kpamkpam, polylactic acid nwere ike iweta njedebe akụrụngwa n'ime usoro nrụpụta akụrụngwa na imegharị ihe, nke nwere uru nke ihe ndị sitere na mmanụ ala enweghị. Ya mere, oriri nke polylactic acid n'ahịa ụlọ na-abawanye. Oriri ụlọ na 2021 bụ tọn 48071.9, mmụba nke 40% kwa afọ.
N'ihi obere ike mmepụta nke polylactic acid na China, ọnụọgụ polylactic acid dị na China dị ukwuu karịa nke mbupụ. N'afọ ndị na-adịbeghị anya, ọnụ ọgụgụ polylactic acid na-ebubata amụbaala ngwa ngwa site na ọchịchọ ụlọ. Na 2021, mbubata nke polylactic acid ruru 25294.9 tọn. Mbupụ nke polylactic acid nwekwara ọganihu dị ukwuu na 2021, na-eru 6205.5 tọn, mmụba kwa afọ nke 117%.
Akụkọ metụtara: akụkọ banyere nyocha mmepe mmepe na amụma amụma mmepe nke ụlọ ọrụ ngwaahịa polylactic acid nke China sitere na 2022 ruo 2028 nke Zhiyan na-ahụ maka ndụmọdụ nyere.
4. Ụlọ ọrụ mgbada
N'ime ngwa mgbada ala, etinyere polylactic acid n'ọtụtụ mpaghara nwere ihe pụrụ iche biocompatibility na biodegradaability ya. Ka ọ dị ugbu a, a na-ejikarị ya eme ihe na nkwakọ ngwaahịa kọntaktị nri, tableware, nkwakọ ihe nkiri na ngwaahịa na ubi ndị ọzọ. Dịka ọmụmaatụ, ihe nkiri plastik nke ugbo nke polylactic acid nwere ike imebi kpamkpam wee pụọ mgbe owuwe ihe ubi nke ihe ubi, nke na-agaghị ebelata ọdịnaya mmiri na ọmụmụ nke ala, ma zere mgbakwunye ọrụ na ụgwọ ọrụ achọrọ maka mgbake nke ihe ọkụkụ. ihe nkiri plastik, nke bụ usoro n'ozuzu nke mmepe nke ihe nkiri plastik na China n'ọdịnihu. Mpaghara ihe nkiri plastik kpuchie na China dị ihe dị ka hectare 18000, yana iji ihe nkiri plastik na 2020 bụ tọn 1357000. Ozugbo ihe nkiri plastik na-emebi emebi nwere ike gbasaa, ụlọ ọrụ polylactic acid nwere nnukwu ohere maka mmepe n'ọdịnihu.
Oge nzipu: Feb-14-2022