【Tus Thawj Coj】Lub lim tiam no, qhov kev ua haujlwm tag nrho ntawm cov saw hlau propylene tau zoo dua me ntsis. Sab kev muab khoom feem ntau tseem xoob, thaum cov ntsuas kev ua haujlwm tag nrho ntawm cov khoom lag luam downstream tau nce siab. Ua ke nrog cov nyiaj tau los zoo dua ntawm qee cov khoom lag luam downstream, cov nroj tsuag downstream lees txais cov nqi propylene tau nce siab, txhawb nqa kev txhawb nqa rau kev thov propylene thiab muab qee yam kev txhawb nqa rau kev ua lag luam propylene.
Lub lim tiam no, tus nqi lag luam propylene hauv tebchaws tau rov qab zoo tom qab poob qis, nrog rau kev ua si ntawm kev muab khoom thiab kev thov hauv khw ua qhov tseem ceeb. Tus nqi nruab nrab txhua lub lim tiam ntawm propylene hauv Shandong lub lim tiam no yog 5,738 yuan / ton, txo qis txhua hli ntawm 0.95%; tus nqi nruab nrab txhua lub lim tiam hauv East China yog 5,855 yuan / ton, txo qis txhua hli ntawm 1.01%.
Lub lim tiam no, cov nqi ntawm cov saw hlau kev lag luam tau sib xyaw nrog qhov kev hloov pauv tsawg. Cov nqi ntawm cov khoom siv raw tseem ceeb tau qhia txog kev nce thiab nqis sib txawv nrog kev hloov pauv me me, muaj kev cuam tshuam tsawg rau cov nqi propylene. Tus nqi propylene nruab nrab poob me ntsis txhua hli thiab rov qab los tom qab ntaus qis tshaj plaws. Cov nqi ntawm cov khoom siv downstream kuj muaj ob qho kev nce thiab nqis: ntawm lawv, tus nqi ntawm propylene oxide nce siab heev, thaum tus nqi ntawm acrylic acid poob qis heev. Feem ntau cov nroj tsuag downstream tau rov ua dua cov khoom lag luam ntawm tus nqi qis.
Kev ua haujlwm ntawm kev lag luam nce siab vim muaj kev muab khoom tsis txaus.
Lub lim tiam no, tus nqi ua haujlwm propylene tau mus txog 79.57%, nce 0.97 feem pua ntawm lub lim tiam dhau los. Thaum lub lim tiam, cov chav PDH ntawm Haiwei thiab Juzhengyuan, nrog rau chav MTO ntawm Hengtong, tau kho, uas muaj kev txhawb nqa rau kev muab khoom hauv khw tsawg. Kev lag luam propylene tau tswj hwm qhov xwm txheej muab khoom xoob, thiab qee chav tau kho lawv cov khoom siv ua haujlwm, ua rau kev nce me ntsis hauv kev lag luam tus nqi ua haujlwm lub lim tiam no.
Cov Nqi Ua Haujlwm Hauv Qab Nthab Nce, Kev Xav Tau Propylene Zoo Dua
Lub lim tiam no, cov ntsuas kev ua haujlwm ntawm cov lag luam propylene downstream tau sawv ntawm 66.31%, nce 0.45 feem pua ntawm lub lim tiam dhau los. Ntawm lawv, cov nqi ua haujlwm ntawm PP hmoov thiab acrylonitrile tau nce siab heev, thaum cov phenol-ketone thiab acrylic acid tau poob qis heev. Lub lim tiam no, tag nrho cov ntsuas kev ua haujlwm downstream tau nce, ua rau muaj kev thov propylene ntau ntxiv los ntawm cov nroj tsuag downstream. Tsis tas li ntawd, nrog rau tus nqi propylene ntawm qib qis thiab cov nyiaj tau los ntawm qee cov khoom downstream zoo dua, kev txaus siab rau kev yuav khoom propylene tau nce siab, ua rau muaj kev thov propylene me ntsis.
Kev khwv tau nyiaj ntawm cov khoom lag luam hauv qab no zoo dua me ntsis, txhim kho kev lees txais cov nqi propylene
Lub lim tiam no, qhov txiaj ntsig ntawm cov khoom lag luam propylene downstream tau sib xyaw. Nrog rau qhov chaw nqi propylene nyob rau theem qis, qhov kev nyuaj siab ntawm qee cov khoom lag luam downstream tau yooj yim. Tshwj xeeb, PP hmoov hloov ntawm qhov txiaj ntsig mus rau qhov poob lub lim tiam no, thaum qhov txiaj ntsig ntawm PO (propylene oxide) nce ntxiv. Qhov kev poob ntawm n-butanol nthuav dav, thaum ntawm 2-ethylhexanol, acrylonitrile, thiab phenol-ketone nqaim. Tsis tas li ntawd, qhov txiaj ntsig ntawm acrylic acid thiab propylene-based ECH tau poob qis. Zuag qhia tag nrho, qhov txiaj ntsig ntawm cov khoom lag luam downstream tau zoo dua me ntsis tab sis nruab nrab, uas tau txhim kho lawv qhov kev lees txais ntawm cov nqi propylene.
Lub sijhawm tshaj tawm: Kaum Ib Hlis-14-2025