I kēia pule, ua emi iho ke kikowaena kumukūʻai o nā huahana ma ke kaulahao ʻoihana phenol-ketone. ʻO ka nāwaliwali o ke kumukūʻai, me ke kaomi o ka lako a me ke koi, ua hoʻokau i kekahi kaomi hoʻoponopono i lalo i nā kumukūʻai kaulahao ʻoihana. Eia nō naʻe, ua hōʻike nā huahana upstream i ke kū'ē nui aʻe i ka hoʻohālikelike ʻia me nā mea downstream, e alakaʻi ana i ka emi ʻana o ka loaʻa kālā ma nā ʻoihana downstream. ʻOiai ua emi ka palena o ka pohō o ka ʻoihana phenol-ketone midstream, ua mau ka nāwaliwali o ka loaʻa kālā holoʻokoʻa o nā huahana upstream a me midstream, ʻoiai ua mālama mau nā ʻoihana MMA (Methyl Methacrylate) a me isopropanol downstream i kekahi loaʻa kālā.
Ma ke ʻano o nā kumukūʻai awelika o kēlā me kēia pule, koe wale nō ka piʻi iki ʻana o ke kumukūʻai awelika o kēlā me kēia pule o ka phenol (kahi huahana waena), ua hoʻopaʻa ʻia nā huahana ʻē aʻe a pau i loko o ke kaulahao ʻoihana phenol-ketone i nā emi ʻana, me ka hāʻule ʻana o ka hapa nui i loko o ka pae o 0.05% a i 2.41%. I waena o lākou, ua nāwaliwali nā huahana benzene a me propylene ma luna, me ka emi ʻana o ko lākou kumukūʻai awelika o kēlā me kēia pule ma 0.93% a me 0.95% i kēlā me kēia mahina. I loko o ka pule, ma hope o ka piʻi iki ʻana, ua ʻike ʻia ka emi ʻana o nā kumukūʻai o ka ʻaila maka i ka wā pōkole. Ua noho lohi nā kūlana o ka mākeke hope loa, a ua ikaika ka manaʻo akahele ma lalo. Eia nō naʻe, ua hoʻonui ka noi hoʻohuihui gasoline US i nā kumukūʻai toluene, a ua pani ʻia nā ʻāpana disproportionation ma muli o nā pono waiwai maikaʻi ʻole, e alakaʻi ana i ka piʻi hou ʻana o nā kumukūʻai benzene i ka hopena o ka pule. I kēia manawa, ua hoʻomaka hou kekahi mau ʻāpana propylene ma lalo o ka hana, e hoʻonui iki ana i ke kākoʻo koi no ka propylene. Ma keʻano holoʻokoʻa, ʻoiai ua hōʻike ka hopena o ka mea maka i kahi ʻano nāwaliwali, ua ʻoi aku ka haiki o ka emi ʻana ma mua o nā huahana ma lalo.
ʻO nā huahana waena, ʻo phenol a me acetone, ua kūʻai pinepine ʻia ma ka ʻaoʻao, me nā loli haiki i kā lākou mau loli kumukūʻai awelika hebedoma. ʻOiai ka nāwaliwali o ke kumukūʻai, ua hoʻomaka hou kekahi mau ʻāpana bisphenol A ma lalo o ka hana, a aia nā manaʻolana no ka mālama ʻana i nā ʻāpana phenol-ketone a Hengli Petrochemical i ka wā ma hope. Ua hui pū nā mea lōʻihi a me nā mea pōkole ma ka mākeke, e alakaʻi ana i kahi kūlana paʻa ma waena o nā mea kūʻai a me nā mea kūʻai aku. Ua ʻike nā huahana ma lalo o ka hana i kahi ʻano iho i ʻoi aku ka nui ma mua o ka hopena kumukūʻai ma muli o ka lako nui a me ka nele o ka hoʻomaikaʻi ʻana i ka hopena o ke koi. I kēia pule, ua hāʻule ke kumukūʻai awelika hebedoma o ka ʻoihana MMA ma lalo o ka hana ma 2.41% i kēlā me kēia mahina, ʻo ia ka emi nui o kēlā me kēia pule ma ke kaulahao ʻoihana. ʻO ke kumu nui o kēia ma muli o ka nāwaliwali o ke koi hope, e hopena ana i ka lako mākeke wahi lawa. Ma ke ʻano kūikawā, ua kū nā hale hana ma Shandong i ke kaomi nui o ka waihona a pono e hoʻohaʻahaʻa i nā ʻōlelo e hoʻoulu ai i nā hoʻouna. Ua ʻike pū nā ʻoihana bisphenol A a me isopropanol ma lalo o ka hana i kekahi mau ʻano iho, me ka emi ʻana o ke kumukūʻai awelika hebedoma o 2.03% a me 1.06%, ʻoiai ua noho ka mākeke i kahi pōʻaiapuni nāwaliwali hoʻoponopono haʻahaʻa ma waena o ke kaomi lako a me ke koi.
E pili ana i ka loaʻa kālā o ka ʻoihana, i loko o ka pule, i hoʻopilikia ʻia e ka hopena bearish o ka hoʻonui ʻia ʻana o ke kaomi lako a me ke koi i nā ʻoihana ma lalo a me ka nāwaliwali o ke kumukūʻai, ua hōʻike ka loaʻa kālā o nā huahana ma lalo i ke kaulahao ʻoihana i kahi ʻano iho. ʻOiai ua hoʻomaikaʻi ʻia ka palena pohō o ka ʻoihana phenol-ketone waena, ua emi nui ka loaʻa kālā o ke kaulahao ʻoihana, a ua noho ka hapa nui o nā huahana i ke kaulahao i kahi kūlana o ka pohō, e hōʻike ana i ka nāwaliwali o ka loaʻa kālā o ke kaulahao ʻoihana. I waena o lākou, ua hoʻopaʻa ka ʻoihana phenol-ketone i ka piʻi nui loa o ka loaʻa kālā: ʻo ka pohō theoretical o ka ʻoihana i kēia pule he 357 yuan/ton, e emi ana ma 79 yuan/ton i hoʻohālikelike ʻia me ka pule i hala. Eia kekahi, ua emi nui ka loaʻa kālā o ka ʻoihana MMA ma lalo, me ka awelika hebedoma o ka loaʻa kālā nui o ka ʻoihana ma 92 yuan/ton, he emi ʻana o 333 yuan/ton mai ka pule i hala. Ma keʻano holoʻokoʻa, ua nāwaliwali ka loaʻa kālā o kēia manawa o ke kaulahao ʻoihana phenol-ketone, me ka hapa nui o nā huahana i paʻa mau i nā pohō. ʻO nā ʻoihana MMA a me isopropanol wale nō ka loaʻa kālā theoretical ma luna iki o ka laina haki.
Nānā Nui: 1. I ka wā pōkole, e mālama paha nā kumukūʻai o ka ʻaila maka i kahi ʻano loli a nāwaliwali, a ke manaʻo ʻia nei e hoʻomau ka emi ʻana o nā kumukūʻai nāwaliwali. 2. Ke mau nei ke kaomi lako o ke kaulahao ʻoihana, akā aia nā kumukūʻai o nā huahana kaulahao ʻoihana ma nā haʻahaʻa he nui o nā makahiki, no laila e kaupalena ʻia paha ka wahi kūʻai i lalo. 3. He mea paʻakikī i nā ʻoihana mea hoʻohana hope ke ʻike i ka hoʻomaikaʻi nui ʻana, a hiki i ke koi nāwaliwali ke hoʻomau i ka hoʻopuka ʻana i nā manaʻo maikaʻi ʻole ma luna.
Ka manawa hoʻouna: Nov-14-2025