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    • 10. 发明申请
    • DEHYDROGENATION PROCESS
    • 脱氢方法
    • WO2006069393A2
    • 2006-06-29
    • PCT/US2005/047625
    • 2005-12-20
    • FINA TECHNOLOGY, INC.BUTLER, James, R.REED, Gary
    • BUTLER, James, R.REED, Gary
    • C07C2/64B01J8/00B01J8/04
    • B01J8/065B01F5/0602B01J8/009B01J8/067B01J2208/00309B01J2208/00407B01J2208/00415B01J2208/00716B01J2208/0084B01J2208/00849B01J2208/00884C07C5/333Y10S585/921Y10S585/922Y10S585/923Y10S585/924C07C15/44C07C15/46
    • A process for the dehydrogenation of a C 2 or C 3 alkyl aromatic compound to a corresponding vinyl aromatic compound in a tubular reactor incorporating a spiral flow path. Preferred embodiments of the invention provide processes for the production of styrene or divinylbenzene by the catalytic dehydrogenation of ethylbenzene or diethylbenzene, respectively. A feedstock containing a C 2 or C 3 alkyl aromatic and steam is supplied into the inlet of a tubular reactor containing a dehydrogenation catalyst and comprising a hydrogen permeable outer wall. The alkyl aromatic compound is dehydrogenated to a corresponding vinyl aromatic compound with the attendant production of hydrogen. The feedstock and products of the dehydrogenation reactor are flowed along a longitudinal spiral flow path providing for an outward radial flow of hydrogen to provide a pressure gradient through the hydrogen permeable outer wall of the reactor with the flow of hydrogen therethrough. Hydrogen is removed from the outer wall of the reactor. The resulting vinyl aromatic product is recovered from the tubular reactor.
    • 一种在含有螺旋流路的管式反应器中将C 2或C 3烷基芳族化合物脱氢成相应的乙烯基芳族化合物的方法。 本发明的优选实施方案分别通过乙苯或二乙苯的催化脱氢来提供生产苯乙烯或二乙烯基苯的方法。 含有C 2或C 3烷基芳族和蒸汽的原料被供应到含有脱氢催化剂并包含氢可渗透外壁的管式反应器的入口中。 烷基芳族化合物被氢化成相应的乙烯基芳族化合物,同时产生氢气。 脱氢反应器的原料和产物沿着纵向螺旋流动路径流动,提供氢的向外径向流动,以通过氢气流通过反应器的氢可渗透外壁提供压力梯度。 氢从反应器的外壁去除。 从管式反应器中回收得到的乙烯基芳香族产物。