PRODUCTION OF HIGH PURITY BUTENE-1 FROM C4 OLEFINS/PARAFFINS MIXED GAS
    13.
    发明申请
    PRODUCTION OF HIGH PURITY BUTENE-1 FROM C4 OLEFINS/PARAFFINS MIXED GAS 有权
    从C4油脂/ PARAFFINS混合气体生产高纯度BUTENE-1

    公开(公告)号:US20130206575A1

    公开(公告)日:2013-08-15

    申请号:US13854417

    申请日:2013-04-01

    IPC分类号: C07C7/12 C07C7/04

    摘要: A hybrid process comprising an adsorption process and a distillation process for the separation of butene-1 from a C4 hydrocarbon mixture gas including butene-1, trans-2-butene, cis-2-butene, normal butane, isobutane, etc. is provided. The hybrid process comprises introducing a gaseous C4 mixture into the adsorption tower loaded with adsorbents which adsorb olefins selectively to discharge C4 paraffins to the outlet of the tower, desorbing C4 olefins selectively adsorbed in the adsortion tower to produce high purity C4 olefins mixture gas in which isobutane and normal butane was removed, and separating the high C4 olefins mixture gas (a mixture of butene-1, trans-2-butene, cis-2-butene, and a trace amount of C4 paraffins) via distinction to obtain high purity butene-1 including a trace amount of isobutane in the top of the distillation tower and obtain a mixture gas including trans-2-butene, cis-2-butene and a trace amount of normal butane in the bottom of the tower.

    摘要翻译: 提供了一种包括吸附过程和用于从包括丁烯-1,反式-2-丁烯,顺式-2-丁烯,正丁烷,异丁烷等的C 4烃混合气分离丁烯-1的蒸馏方法的混合方法。 。 混合方法包括将气态C 4混合物引入负载有吸附剂的吸附塔,该吸附剂选择性吸附烯烃以将C4链烷烃排出到塔的出口,解吸选择性吸附在催化塔中的C4烯烃以产生高纯度C4烯烃混合气体,其中 去除异丁烷和正丁烷,通过区别分离高C4烯烃混合气体(丁烯-1,反式-2-丁烯,顺式-2-丁烯和痕量C4链烷烃的混合物),得到高纯度丁烯 -1,包括在蒸馏塔顶部的微量异丁烷,并在塔的底部获得包含反式-2-丁烯,顺式-2-丁烯和痕量的正丁烷的混合气体。