S-TDT Disproportionation thiab Alkyl Transfer Technology thiab Catalyst

Toluene disproportionation thiab alkyl hloov cov tshuaj tiv thaiv txheej txheem siv toluene thiab C-9 / C-10 aromatics ua raw khoom los tsim benzene thiab sib xyaw xylene. Cov zis ntawm cov sib xyaw xylene suav txog li 50% ntawm tag nrho cov khoom tsim tawm ntawm chav tsev ua ke aromatics, uas yog chav tsev tseem ceeb ntawm chav ua ke aromatics. Txij li thaum xyoo 1970, lub koom haum Shanghai tau tsim cov toluene disproportionation thiab alkyl hloov tshuab. Ua raws li lub tswv yim ntawm ntsuab chemistry, cov catalysts thiab cov txheej txheem tsim tau raws li txoj kev loj hlob thiab kev xav tau ntawm kev nthuav dav thiab kev hloov pauv ntawm cov nroj tsuag kev lag luam, kev txuag hluav taws xob thiab kev txo qis, thiab cov khoom siv hnyav.

Qhov project tau txais ntau tshaj 50 daim ntawv tso cai tsim khoom hauv tsev thiab txawv teb chaws thiab yeej 1 lub teb chaws Science thiab Technology Progress Prize, 1 National Science thiab Technology Progress Prize, 1-thib ob khoom plig los ntawm SinopecTechnology invention, 3 thawj khoom plig ntawm Sinopec Science thiab Technology Progress Prize, 1 National invention Patent 1 Prize invention.

S-TDT disproportionation thiab alkyl hloov tshuab daws cov teeb meem engineering tshwm sim los ntawm qhov loj ntawm cov nroj tsuag. Cov txheej txheem pob tsim los ntawm HAT series ntawm toluene thiab hnyav aromatic alkyl hloov catalysts nrog kev ua tau zoo tshaj plaws rau cov thev naus laus zis zoo sib xws hauv tsev thiab txawv teb chaws hais txog kev siv hluav taws xob thiab cov khoom lag luam zoo, nws cov yam ntxwv muaj xws li hauv qab no:

◆ Kev ua haujlwm yooj yim: Los ntawm kev kho cov toluene / C, Ib qho piv txwv hauv cov tshuaj tiv thaiv pub cov khoom lag luam ntawm cov tshuaj tiv thaiv cov khoom xylene thiab benzene tuaj yeem hloov kho.

◆ High quality: benzene purity >99.90%, ethylbenzene / CA<1% in the product.

◆ Kev txuag hluav taws xob thiab kev txo qis: cov tshuaj tiv thaiv kab mob thiab cov fractionation unit txais kev siv thev naus laus zis thev naus laus zis, thiab kev siv lub zog ntawm cov cuab yeej tsawg.

◆ Cov tshuaj tiv thaiv kev ua haujlwm siab: Kev siv lub tshuab loj axial txaus ruaj lub txaj reactor, patented technology gas distributor, thiab collector, cov tshuaj tiv thaiv cov khoom faib yog uniform, zoo txhim kho cov tshuaj tiv thaiv catalytic.

Tam sim no, lub npe tseem ceeb ntawm disproportionation thiab alkyl hloov catalysts yog HAT thiab HLD series, thiab cov yam ntxwv tseem ceeb yog raws li nram no:

◆ Khoom qauv kho tau: Cov tshuaj tiv thaiv raw khoom toluene / C, A tuaj yeem hloov kho ntawm 100/00/100, benzene thiab xylene khoom qauv adjustable.

◆ Qhov chaw siab ceev qis hydrogen-hydrocarbon piv: WHS Tsawg dua lossis sib npaug li 4h-', hydrogen-hydrocarbon molar ratio Ntau dua lossis sib npaug rau 2.

◆ Kev ua haujlwm siab thiab muaj txiaj ntsig siab: tag nrho kev hloov pauv<48wt%, total selectivity ≤94wt%.

◆ High heavy aromatics conversion capacity: C, A conversion rate >60%.

◆ Kev ruaj ntseg siab: cov catalyst muaj kev ruaj ntseg zoo thiab lub neej ib puag ncig yog ntau dua 5 xyoos.

S-TDT disproportionation thiab alkyl hloov tshuab tau tso cai rau 14 lub tuam txhab hauv tsev thiab txawv teb chaws, suav nrog 12 txheej ntawm 1 lab tons / xyoo lossis ntau dua, thiab cov khoom siv loj tshaj plaws yog 3.5 lab tons / xyoo. HAT series thiab HLD series catalysts tau siv ntau tshaj 80 zaug hauv ntau tshaj 20 cov khoom lag luam hauv tsev thiab txawv teb chaws, thiab kev lag luam hauv tsev yog ntau dua 70%.

S-TDT Process Flow Diagram

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