Process for isomerizing C.sub.5 /C.sub.6 normal paraffins with recycling
normal paraffins and methyl-pentanes
    2.
    发明授权
    Process for isomerizing C.sub.5 /C.sub.6 normal paraffins with recycling normal paraffins and methyl-pentanes 失效
    用正链烷烃和甲基戊烷回收异构化C5 / C6正链烷烃的方法

    公开(公告)号:US5602291A

    公开(公告)日:1997-02-11

    申请号:US261031

    申请日:1994-06-14

    CPC分类号: C10G67/06 C10G61/06

    摘要: The invention involves a process for the isomerization of C.sub.5 /C.sub.6 n-paraffins into isoparaffins comprising:a stage (1) of isomerizing a charge constituted by a light naphtha and recycling a flow rich in methyl-pentanes and n-paraffins,an adsorption stage (2) performed by passing the isomerization effluent onto an adsorbent retaining the n-paraffins and alternating with the adsorpotion stage (2), a desorption stage (3) performed by lowering the pressure and stripping by means of a gas flow rich in methyl-pentanes from the deisohexanization stage (4) anda deisohexanization stage (4) for the adsorption effluent.The isomerate freed from the n-paraffins in stage (2) and distilled in stage (4) is a high octane number product.

    摘要翻译: 本发明涉及一种使C5 / C6正链烷烃异构化成异链烷烃的方法,包括:使由轻质石脑油构成的电荷异构化并循环富含甲基戊烷和正链烷烃的流动的阶段(1),吸附阶段 (2)通过将异构化流出物传递到保留正链烷烃并与吸附阶段(2)交替的吸附剂的吸附剂(3)上进行,脱附阶段(3)通过降低压力和通过富含甲基 - 来自脱乙酰化阶段(4)的戊烷和用于吸附流出物的脱甲基化阶段(4)。 在阶段(2)中从正链烷烃中脱除并在阶段(4)中蒸馏出的异构体是高辛烷值产物。