Pa Julayi 1, 2022, mwambo woyambitsa gawo loyamba la matani 300,000.methyl methacrylate(pamenepa amatchedwa methyl methacrylate) pulojekiti ya MMA ya Henan Zhongkepu Raw and New Materials Co., Ltd. idachitikira ku Puyang Economic and Technological Development Zone, kuzindikiritsa kugwiritsa ntchito ukadaulo watsopano wa ionic liquid catalytic ethylene MMA wopangidwa paokha ndi CAS ndi Zhongyuan Dahua.Ichinso ndi chomera choyamba cha ethylene MMA chosindikizidwa ku China.Ngati zida ndi bwino anaika mu kupanga, izo akwaniritsa yojambula mu China ethylene MMA kupanga, amene zimakhudza kwambiri makampani MMA.
Gawo lachiwiri la MMA la ndondomeko ya ethylene ku China likhoza kufalitsidwa ku Shandong.Ikuyembekezeka kupangidwa chakumapeto kwa 2024, ndipo pakadali pano ili pagawo lovomerezeka.Ngati wagawo ndi zoona, adzakhala wachiwiri MMA wagawo wa ndondomeko ethylene ku China, amene ali ndi tanthauzo lalikulu kwa diversification wa ndondomeko MMA kupanga ku China ndi chitukuko cha makampani China mankhwala.
Malinga ndi deta yoyenera, pali njira zotsatirazi zopangira MMA ku China: ndondomeko ya C4, ndondomeko ya ACH, ndondomeko ya ACH yabwino, njira ya BASF ethylene ndi njira ya Lucite ethylene.Padziko lonse lapansi, njira zopangira izi zimakhala ndi makhazikitsidwe a mafakitale.Ku China, malamulo a C4 ndi malamulo a ACH akhala akupanga mafakitale, pamene lamulo la ethylene silinapangidwe bwino.
Chifukwa chiyani makampani opanga mankhwala aku China akukulitsa chomera chake cha ethylene MMA?Kodi mtengo wopangira MMA wopangidwa ndi njira ya ethylene ndi wopikisana?
Choyamba, chomera cha ethylene MMA chapanga chopanda kanthu ku China ndipo chili ndi ukadaulo wapamwamba wopanga.Malinga ndi kafukufukuyu, pali magawo awiri okha a ethylene MMA mayunitsi padziko lapansi, omwe ali ku Europe ndi North America motsatana.Zomwe zimapangidwira mayunitsi a ethylene MMA ndizosavuta.Mlingo wogwiritsa ntchito ma atomiki ndi wopitilira 64%, ndipo zokolola zake ndizambiri kuposa njira zina.BASF ndi Lucite achita kafukufuku waukadaulo ndi chitukuko cha zida za MMA zamachitidwe a ethylene molawirira kwambiri, ndipo akwaniritsa kukula kwa mafakitale.
The MMA unit of ethylene process satenga nawo gawo pazinthu za acidic, zomwe zimabweretsanso kuwonongeka kwa zida, njira yopangira zinthu zachilengedwe, komanso nthawi yayitali yogwira ntchito komanso kuzungulira.Pankhaniyi, mtengo wamtengo wapatali wa MMA unit mu ndondomeko ya ethylene panthawi yogwira ntchito ndi yotsika kusiyana ndi njira zina.
Zida za Ethylene MMA zilinso ndi zovuta.Choyamba, zipangizo zothandizira zomera za ethylene zimafunika, momwe ethylene imapangidwa kwambiri ndi zomera zophatikizika, kotero kuthandizira chitukuko cha mabizinesi ophatikizika kumafunika.Ngati ethylene igulidwa, chuma chimakhala chosauka.Chachiwiri, pali zida ziwiri zokha za ethylene MMA padziko lapansi.Ntchito zaku China zomwe zikumangidwa zimagwiritsa ntchito ukadaulo wa Chinese Academy of Sciences, ndipo mabizinesi ena sangathe kupeza ukadaulo mosavuta komanso moyenera.Chachitatu, zida za MMA za ndondomeko ya ethylene zimakhala ndi nthawi yayitali, ndalama zambiri, chlorine yambiri yomwe ili ndi madzi otayira idzapangidwa popanga, ndipo mtengo wa mankhwala a zinyalala zitatuzo ndizokwera kwambiri.
Chachiwiri, mpikisano wamtengo wapatali wa MMA unit makamaka umachokera ku ethylene yothandizira, pamene ethylene yakunja ilibe mwayi wopikisana nawo.Malinga ndi kafukufukuyu, gawo la MMA la njira ya ethylene ndi matani 0,4294 a ethylene, matani 0,387 a methanol, 661.35 Nm ³ mpweya wa synthetic, matani 1.0578 a klorini wakuda amapangidwa ndi cochita, ndipo palibe mankhwala a methacrylic acid popanga. .
Malinga ndi zomwe zatulutsidwa ndi Shanghai Yunsheng Chemical Technology Co., Ltd., mtengo wa MMA wa njira ya ethylene ndi pafupifupi 12000 yuan/tani pomwe ethylene ndi 8100 yuan/tani, methanol ndi 2140 yuan/tani, gasi wopangidwa ndi 1.95 yuan/ kiyubiki mita, ndi klorini wakuda ndi 600 yuan/ton.Poyerekeza ndi nthawi yomweyi, ndalama zalamulo za njira ya C4 ndi njira ya ACH ndizokwera.Choncho, malinga ndi momwe msika ulipo, ethylene MMA ilibe mpikisano woonekera bwino wachuma.
Komabe, kupanga MMA ndi njira ya ethylene kuyenera kugwirizana ndi zinthu za ethylene.Ethylene kwenikweni amachokera ku naphtha cracking, malasha kaphatikizidwe, etc. Pankhaniyi, mpikisano wa MMA kupanga ndi ethylene njira idzakhudzidwa makamaka ndi mtengo wa ethylene zopangira.Ngati ethylene yaiwisi yaiwisi yodzipangira yokha, iyenera kuwerengedwa kutengera mtengo wamtengo wa ethylene, womwe ungathandize kwambiri kupikisana kwa mtengo wa ethylene MMA.
Chachitatu, ethylene MMA amadya zambiri klorini, ndi mtengo ndi kuthandizira ubale wa klorini adzaonanso chinsinsi mtengo mpikisano wa ethylene MMA.Malinga ndi kupanga kwa BASF ndi Lucite, njira zonsezi zimafunika kudya chlorine yambiri.Ngati chlorine ili ndi mgwirizano wake wothandizira, mtengo wa klorini suyenera kuganiziridwa, zomwe zidzasintha kwambiri kupikisana kwa mtengo wa ethylene MMA.
Pakadali pano, ethylene MMA yakopa chidwi makamaka chifukwa chakupikisana kwamitengo yopangira komanso malo ocheperako a unit.Kuphatikiza apo, zofunikira zothandizira zopangira zimagwirizananso ndi njira yomwe ikukulirakulira pamsika wamankhwala waku China.Ngati kampaniyo imathandizira ethylene, chlorine ndi gasi kaphatikizidwe, ndiye kuti ethylene MMA ikhoza kukhala yokwera mtengo kwambiri yopanga MMA pakali pano.Pakali pano, njira chitukuko cha makampani China mankhwala makamaka mabuku kuthandiza.Pansi pa izi, njira ya ethylene yofananira ndi ethylene MMA ikhoza kukhala yofunika kwambiri pamsika.