Lub lim tiam no, tus nqi ntawm cov khoom lag luam hauv cov saw hlau phenol-ketone feem ntau poob qis. Kev hla tus nqi tsis zoo, nrog rau kev muab khoom thiab kev thov, ua rau muaj kev hloov pauv qis rau cov nqi saw hlau kev lag luam. Txawm li cas los xij, cov khoom lag luam sab saud tau pom tias muaj kev tiv thaiv qis dua piv rau cov khoom lag luam sab saud, ua rau kev poob qis ntawm cov txiaj ntsig thoob plaws cov lag luam sab saud. Txawm hais tias qhov kev poob ntawm kev lag luam phenol-ketone nruab nrab tau nqaim dua, qhov txiaj ntsig tag nrho ntawm cov khoom lag luam sab saud thiab nruab nrab tseem tsis zoo, thaum cov lag luam MMA (Methyl Methacrylate) thiab isopropanol tseem tswj tau qee qhov txiaj ntsig.
Hais txog tus nqi nruab nrab txhua lub lim tiam, tsuas yog qhov nce me ntsis ntawm tus nqi nruab nrab txhua lub lim tiam ntawm phenol (ib yam khoom nruab nrab), tag nrho lwm yam khoom hauv cov saw hlau phenol-ketone tau sau tseg qhov poob qis, feem ntau poob rau hauv qhov ntau ntawm 0.05% txog 2.41%. Ntawm lawv, cov khoom lag luam sab saud benzene thiab propylene ob leeg tsis muaj zog, nrog lawv cov nqi nruab nrab txhua lub lim tiam poob qis los ntawm 0.93% thiab 0.95% hli-rau-hli feem. Thaum lub lim tiam, tom qab kev nce me ntsis sib law liag, cov nqi roj av yav tom ntej tau pom qhov kev poob qis luv luv. Cov xwm txheej kawg ntawm kev ua lag luam tseem qeeb, thiab kev xav ceev faj hauv qab dej muaj zog. Txawm li cas los xij, kev thov roj av hauv Tebchaws Meskas tau tsav cov nqi toluene nce, thiab cov chav sib txawv tau kaw vim yog cov txiaj ntsig kev lag luam tsis zoo, ua rau cov nqi benzene rov qab los rau thaum kawg ntawm lub lim tiam. Lub caij no, qee cov chav propylene hauv qab dej rov ua haujlwm, me ntsis txhim kho kev txhawb nqa rau propylene. Tag nrho, txawm hais tias cov khoom siv raw kawg tau qhia txog qhov sib txawv tsis muaj zog, qhov kev poob qis yog nqaim dua li cov khoom lag luam hauv qab dej.
Cov khoom lag luam theem nrab phenol thiab acetone feem ntau pauv mus rau sab, nrog rau kev hloov pauv me me hauv lawv cov nqi nruab nrab txhua lub lim tiam. Txawm hais tias tus nqi tsis muaj zog, qee cov khoom siv bisphenol A rov qab ua haujlwm, thiab muaj kev cia siab ntawm kev saib xyuas rau Hengli Petrochemical's phenol-ketone units hauv lub sijhawm tom qab. Cov yam ntxwv ntev thiab luv luv sib xyaw ua ke hauv kev ua lag luam, ua rau muaj kev tsis sib haum xeeb ntawm cov neeg yuav khoom thiab cov neeg muag khoom. Cov khoom lag luam hauv qab tau pom qhov sib txawv qis dua li qhov kawg ntawm tus nqi vim muaj ntau yam khoom thiab tsis muaj kev txhim kho hauv qhov kev thov kawg. Lub lim tiam no, tus nqi nruab nrab txhua lub lim tiam ntawm kev lag luam MMA hauv qab tau poob qis 2.41% txhua hli, qhov kev poob qis tshaj plaws txhua lub lim tiam hauv cov saw hlau kev lag luam. Qhov no feem ntau yog vim muaj kev thov kawg tsis muaj zog, ua rau muaj kev muab khoom txaus hauv kev ua lag luam. Tshwj xeeb, cov chaw tsim khoom hauv Shandong tau ntsib kev nyuaj siab ntawm cov khoom muag thiab yuav tsum txo cov lus hais kom txhawb kev xa khoom. Cov lag luam bisphenol A thiab isopropanol hauv qab kuj tau ntsib qee qhov kev poob qis, nrog rau tus nqi nruab nrab txhua lub lim tiam poob qis ntawm 2.03% thiab 1.06% feem, vim tias kev ua lag luam tseem nyob hauv qhov kev hloov kho qis qis ntawm qhov kev muab khoom thiab kev thov siab.
Hais txog kev ua lag luam tau nyiaj ntau npaum li cas, thaum lub lim tiam no, vim muaj kev cuam tshuam los ntawm kev nce ntxiv ntawm kev muab khoom thiab kev thov hauv kev lag luam downstream thiab kev siv nyiaj tsis zoo, kev ua lag luam tau nyiaj ntau npaum li cas hauv cov saw hlau kev lag luam tau qhia tias muaj kev poob qis. Txawm hais tias qhov kev poob ntawm kev lag luam phenol-ketone nruab nrab tau zoo dua, qhov kev ua lag luam theoretical tag nrho tau nyiaj ntau npaum li cas ntawm cov saw hlau kev lag luam tau poob qis heev, thiab feem ntau cov khoom hauv cov saw hlau tseem nyob hauv qhov xwm txheej poob, qhia tias kev ua lag luam tsis muaj zog. Ntawm lawv, kev lag luam phenol-ketone tau sau tseg qhov kev nce ntxiv ntawm kev ua lag luam: qhov kev poob theoretical ntawm kev lag luam lub lim tiam no yog 357 yuan / ton, nqaim los ntawm 79 yuan / ton piv rau lub lim tiam dhau los. Tsis tas li ntawd, qhov kev ua lag luam MMA downstream tau poob qis tshaj plaws, nrog rau qhov nruab nrab txhua lub lim tiam theoretical gross profit ntawm kev lag luam ntawm 92 yuan / ton, txo qis ntawm 333 yuan / ton los ntawm lub lim tiam dhau los. Tag nrho, qhov kev ua lag luam tam sim no ntawm cov saw hlau kev lag luam phenol-ketone tsis muaj zog, nrog rau feem ntau cov khoom tseem raug ntes hauv kev poob. Tsuas yog MMA thiab isopropanol kev lag luam muaj kev ua lag luam theoretical me ntsis saum kab break-even.
Lub Ntsiab Lus Tseem Ceeb: 1. Nyob rau lub sijhawm luv luv, cov nqi roj av yav tom ntej yuav tseem tsis ruaj khov thiab tsis muaj zog, thiab cov nqi tsis muaj zog yuav txuas ntxiv mus. 2. Kev muab khoom ntawm cov saw hlau kev lag luam tseem nyob, tab sis cov nqi ntawm cov khoom lag luam nyob rau ntawm qhov qis tshaj plaws ntau xyoo, yog li qhov chaw poob nqi yuav raug txwv. 3. Nws nyuaj rau cov lag luam kawg pom kev txhim kho tseem ceeb, thiab kev thov tsis muaj zog yuav txuas ntxiv mus ua rau muaj kev tawm tswv yim tsis zoo rau sab saud.
Lub sijhawm tshaj tawm: Kaum Ib Hlis-14-2025