I kēia pule, ʻo ke kikowaena kumu kūʻai o nā huahana i loko o ke kaulahao ʻoihana phenol-ketone i maʻamau i lalo. ʻO ke kumu kūʻai nāwaliwali, hui pū ʻia me ka hoʻolako ʻana a me ke koi koi, ua hoʻokau i kekahi kaomi hoʻololi i lalo i nā kumukūʻai kaulahao ʻoihana. Eia nō naʻe, ua hōʻike ʻia nā huahana o luna i ke kūʻē ʻana i lalo i ka hoʻohālikelike ʻana i nā mea i lalo, e alakaʻi ana i ka emi ʻana o ka loaʻa kālā ma nā ʻoihana o lalo. ʻOiai ua hōʻemi ka palena o ka ʻoihana phenol-ketone i waena, ua nāwaliwali ka waiwai holoʻokoʻa o nā huahana i luna a me waena, ʻoiai ʻo ka MMA lalo (Methyl Methacrylate) a me nā ʻoihana isopropanol e mālama mau ana i kekahi mau waiwai.
Ma ke ano o ka awelika kumukūʻai o ka pule, koe wale no ka hoʻonui iki ʻana o ke kumu kūʻai o ka phenol i kēlā me kēia pule (he huahana waena), ʻo nā huahana ʻē aʻe a pau i loko o ke kaulahao ʻoihana phenol-ketone i hoʻopaʻa ʻia i ka emi ʻana, me ka hapa nui o ka hāʻule ʻana ma waena o 0.05% a 2.41%. Ma waena o lākou, ua nāwaliwali nā huahana upstream benzene a me propylene, me ka hāʻule ʻana o kā lākou kumukūʻai i kēlā me kēia pule he 0.93% a me 0.95% mahina-ma-mahina. I loko o ka pule, ma hope o ka hoʻonui iki ʻana, ʻike ʻia nā kumukūʻai o ka aila maʻemaʻe i ka emi ʻana o ka wā pōkole. Ua lohi nā kūlana o ka mākeke hope, a ua ikaika ka manaʻo makaʻala i lalo. Eia naʻe, ua hoʻonui ka US gasoline blending i nā kumukūʻai toluene, a ua pani ʻia nā ʻāpana disproportionation ma muli o nā pōmaikaʻi hoʻokele waiwai maikaʻi ʻole, e alakaʻi ana i ka rebound i nā kumukūʻai benzene i ka hopena o ka pule. I kēia manawa, ua hoʻomaka hou kekahi mau ʻāpana propylene i lalo i ka hana, e hoʻonui iki i ke kākoʻo noi no propylene. Ma ke ʻano holoʻokoʻa, ʻoiai ua hōʻike ʻia ka hopena o nā mea maka i kahi ʻano nāwaliwali, ʻoi aku ka liʻiliʻi o ka emi ʻana ma mua o nā huahana o lalo.
ʻO nā huahana waena o ka phenol a me ka acetone i kūʻai nui ʻia ma nā ʻaoʻao, me nā loli haiki i kā lākou hoʻololi kumukūʻai o kēlā me kēia pule. ʻOiai nawaliwali ke kumu kūʻai, ua hoʻomaka hou kekahi mau ʻāpana bisphenol A i lalo, a aia nā manaʻolana no ka mālama ʻana i nā ʻāpana phenol-ketone o Hengli Petrochemical i ka wā ma hope. ʻO nā kumu lōʻihi a pōkole i hui pū ʻia ma ka mākeke, e alakaʻi ana i kahi stalemate ma waena o nā mea kūʻai aku a me nā mea kūʻai aku. Ua ʻike ʻia nā huahana o lalo i ka ʻoi aku o ka hoʻohaʻahaʻa ʻana ma mua o ka pau ʻana o ke kumukūʻai ma muli o ka lako lako a me ka nele o ka hoʻomaikaʻi ʻana i ka makemake hope. I kēia pule, ua hāʻule ke kumukūʻai maʻamau o ka ʻoihana MMA ma lalo o 2.41% o ka mahina ma ka mahina, ʻo ka hāʻule nui loa o kēlā me kēia pule ma ke kaulahao ʻoihana. ʻO ka hapa nui o kēia ma muli o ka nāwaliwali o ka makemake hope, ka hopena i ka lako o ka mākeke wahi. ʻO ka mea nui, ʻo nā hale hana i hoʻokumu ʻia ʻo Shandong i kū i ke kaomi waiwai nui a pono e hoʻohaʻahaʻa i nā ʻōlelo no ka hoʻoulu ʻana i nā moku. Ua ʻike pū ka ʻoihana bisphenol A a me ka isopropanol i kekahi mau hiʻohiʻona i lalo, me ka emi ʻana o ke kumu kūʻai o kēlā me kēia pule he 2.03% a me 1.06% pakahi, ʻoiai ua mau ka mākeke i kahi pōʻai haʻahaʻa haʻahaʻa ma waena o ka hoʻolako a me ke koi koi.
E pili ana i ka waiwai o ka ʻoihana, i loko o ka pule, i hoʻopilikia ʻia e ka hopena bearish o ka hoʻonui ʻana i ka lako a me ke koi koi i nā ʻoihana o lalo a me nā kumu kūʻai nāwaliwali, ʻo ka loaʻa kālā o nā huahana i lalo i ke kaulahao ʻoihana i hōʻike i kahi ʻano iho. ʻOiai ua hoʻomaikaʻi maikaʻi ka palena o ka pohō o ka ʻoihana phenol-ketone waena, ua emi ka nui o ka waiwai o ke kaulahao ʻoihana, a ʻo ka hapa nui o nā huahana i loko o ke kaulahao i noho i ke kūlana o ka poho, e hōʻike ana i ka nāwaliwali o nā kaulahao ʻoihana. Ma waena o lākou, ʻo ka ʻoihana phenol-ketone i hoʻopaʻa i ka piʻi nui loa o ka loaʻa kālā: ʻo ka pohō ʻana o ka ʻoihana i kēia pule he 357 yuan/ton, hōʻemi ʻia e 79 yuan/ton i hoʻohālikelike ʻia me ka pule i hala. Eia kekahi, ʻo ka loaʻa kālā o ka ʻoihana MMA lalo i hōʻole i ka nui loa, me ka awelika o ka nui o ka waiwai nui o ka ʻoihana ma 92 yuan/ton, he emi o 333 yuan/ton mai ka pule i hala. Ma ke ʻano holoʻokoʻa, nāwaliwali ka loaʻa kālā o ke kaulahao ʻoihana phenol-ketone, me ka hapa nui o nā huahana i paʻa i nā poho. ʻO nā ʻoihana MMA a me isopropanol wale nō ka loaʻa ʻana o ka loaʻa kālā ma luna o ka laina hoʻomaha.
Ka Manaʻo Nui: 1. I ka wā pōkole, e mau ana nā kumukūʻai o ka aila i ka wā e hiki mai ana i kahi ʻano haʻahaʻa a nāwaliwali, a ke manaʻo ʻia nei e hoʻomau nā kumukūʻai nāwaliwali. 2. Ke mau nei ke ko'iko'i o ke kaulahao 'oihana, aka, aia na kumu kuai o na kaulahao hana ma na makahiki he nui, no laila, ua kaupalena 'ia ke kumu kuai iho. 3. He mea paʻakikī i nā ʻoihana mea hoʻohana hope ke ʻike i ka hoʻomaikaʻi nui ʻana, a hiki ke hoʻomau ka noi nāwaliwali i nā manaʻo maikaʻi ʻole i luna.
Ka manawa hoʻouna: Nov-14-2025