Lub lim tiam no, tus nqi nruab nrab ntawm cov khoom lag luam hauv phenol-ketone muaj cov saw hlau feem ntau poob qis. Tus nqi tsis muaj zog dhau-dhau, ua ke nrog cov khoom siv thiab kev xav tau siab, ua rau qee qhov kev hloov pauv siab ntawm cov nqi lag luam. Txawm li cas los xij, cov khoom lag luam sab saud tau pom ntau dua qhov kev poob qis dua piv rau cov dej ntws qis, ua rau muaj kev poob qis hauv cov txiaj ntsig thoob plaws kev lag luam hauv qab. Txawm hais tias qhov poob qis ntawm midstream phenol-ketone kev lag luam nqaim, tag nrho cov txiaj ntsig ntawm cov khoom siv hluav taws xob thiab cov khoom nruab nrab tseem tsis muaj zog, thaum cov dej hauv qab MMA (Methyl Methacrylate) thiab isopropanol industries tseem khaws qee yam txiaj ntsig.
Nyob rau hauv cov nqe lus ntawm tus nqi nruab nrab txhua lub lim tiam, tshwj tsis yog qhov nce me ntsis ntawm tus nqi nruab nrab txhua lub lim tiam ntawm phenol (ib qho khoom nruab nrab), tag nrho lwm cov khoom lag luam hauv phenol-ketone cov saw hlau kaw tau poob qis, nrog rau feem ntau poob hauv thaj tsam ntawm 0.05% mus rau 2.41%. Ntawm lawv, cov khoom siv hluav taws xob benzene thiab propylene ob leeg tsis muaj zog, nrog rau lawv cov nqi nruab nrab txhua lub lim tiam poob los ntawm 0.93% thiab 0.95% ib hlis-rau-hli feem. Thaum lub sij hawm lub lim tiam, tom qab sib law liag nce me ntsis, cov nqi roj av rau yav tom ntej tau pom qhov kev nthuav dav luv luv. Cov xwm txheej kawg ntawm kev ua lag luam tseem qeeb, thiab kev ceev faj hauv qab tau muaj zog. Txawm li cas los xij, Asmeskas cov roj av sib xyaw xav tau ua rau nce tus nqi toluene, thiab cov chav tsis sib xws tau raug kaw vim muaj txiaj ntsig kev lag luam tsis zoo, ua rau muaj kev rov qab los ntawm cov nqi benzene rau thaum xaus ntawm lub lim tiam. Lub caij no, qee qhov idled downstream propylene units rov pib ua haujlwm, me ntsis txhim kho kev thov kev txhawb nqa rau propylene. Zuag qhia tag nrho, txawm hais tias cov khoom siv raw kawg tau pom qhov tsis muaj zog, qhov poob qis dua qhov qis dua cov khoom lag luam.
Cov khoom lag luam nruab nrab phenol thiab acetone feem ntau yog pauv mus rau sab, nrog kev hloov pauv nqaim hauv lawv cov nqi nruab nrab txhua lub lim tiam. Txawm hais tias tus nqi qis dhau los, qee qhov qis qis bisphenol A tau rov ua haujlwm, thiab muaj kev cia siab ntawm kev saib xyuas rau Hengli Petrochemical's phenol-ketone units hauv lub sijhawm tom qab. Ntev thiab luv yam cuam tshuam hauv kev ua lag luam, ua rau muaj kev tsis sib haum xeeb ntawm cov neeg yuav khoom thiab cov muag khoom. Cov khoom lag luam hauv qab tau pom qhov kev nthuav dav zuj zus tshaj li tus nqi kawg vim muaj kev txaus txaus thiab tsis muaj kev txhim kho hauv qhov kawg xav tau. Lub lim tiam no, tus nqi nruab nrab txhua lub limtiam ntawm kev lag luam hauv MMA poob los ntawm 2.41% lub hli-rau-hli, qhov loj tshaj plaws poob txhua lub limtiam hauv kev lag luam saw. Qhov no feem ntau yog vim tsis muaj qhov kawg xav tau, uas ua rau cov khoom lag luam txaus txaus. Tshwj xeeb, Shandong-raws li cov chaw tsim khoom tau ntsib cov lus nug tseem ceeb thiab yuav tsum tau txo cov nqe lus los txhawb kev xa khoom. Cov kev lag luam downstream bisphenol A thiab isopropanol kuj tau ntsib qee qhov kev poob qis, nrog rau cov nqi nruab nrab txhua lub lim tiam poob ntawm 2.03% thiab 1.06% raws li, vim tias kev ua lag luam tseem nyob rau hauv kev hloov qis qis qis thaum lub sij hawm xa khoom thiab kev thov siab.
Hais txog kev lag luam profitability, nyob rau lub lim tiam, cuam tshuam los ntawm kev cuam tshuam ntawm cov khoom lag luam thiab kev xav tau siab hauv kev lag luam hauv qab thiab cov nqi tsis muaj zog dhau mus, cov txiaj ntsig ntawm cov khoom lag luam hauv cov khoom lag luam tau pom qhov poob qis. Txawm hais tias qhov poob qis ntawm qhov kev lag luam nruab nrab phenol-ketone tau txhim kho, tag nrho cov theoretical profitability ntawm cov saw hlau lag luam poob qis, thiab cov khoom lag luam feem ntau nyob rau hauv lub xeev ntawm kev poob, qhia tias muaj zog saw profitability. Ntawm lawv, kev lag luam phenol-ketone tau sau tseg qhov loj tshaj plaws ntawm kev muaj txiaj ntsig: kev poob ntawm kev lag luam lub lim tiam no yog 357 yuan / tuj, nqaim los ntawm 79 yuan / tuj piv nrog lub lim tiam dhau los. Tsis tas li ntawd, cov txiaj ntsig ntawm kev lag luam hauv MMA tau poob qis tshaj plaws, nrog rau qhov nruab nrab ntawm cov txiaj ntsig ntawm kev lag luam txhua lub lim tiam ntawm 92 yuan / ton, txo qis ntawm 333 yuan / tuj los ntawm lub lim tiam dhau los. Zuag qhia tag nrho, tam sim no profitability ntawm phenol-ketone industrial saw yog tsis muaj zog, nrog rau feem ntau cov khoom tseem daig nyob rau hauv poob. Tsuas yog MMA thiab isopropanol industries muaj theoretical profitability me ntsis saum cov kab sib cais.
Lub Ntsiab Tseem Ceeb: 1. Nyob rau lub sijhawm luv luv, cov nqi roj av rau yav tom ntej yuav ua rau muaj kev hloov pauv tsis zoo thiab tsis muaj zog, thiab cov nqi tsis muaj zog yuav tsum tau nce mus ntxiv. 2. Cov khoom lag luam cov khoom lag luam siab tseem nyob, tab sis cov nqi ntawm cov khoom lag luam cov khoom lag luam yog nyob rau ntau xyoo qis, yog li qhov chaw nqes qis yuav raug txwv. 3. Nws yog ib qho nyuaj rau cov neeg siv kev lag luam kawg kom pom kev txhim kho tseem ceeb, thiab qhov kev thov tsis muaj zog tuaj yeem ua rau muaj kev tawm tswv yim tsis zoo mus txog.
Post lub sij hawm: Nov-14-2025