公开(公告)号：US20130213793A1

公开(公告)日：2013-08-22

申请号：US13855957

申请日：2013-04-03

申请人： KOREA INSTITUTE OF ENERGY RESEARCH ,  SK ENERGY CO., LTD.

发明人： Jong-Nam KIM ,  Jong-Ho PARK ,  Seong-Jun LEE ,  Min-Su KO ,  Hee Tae BEUM ,  Jongkee PARK ,  Chang Hyun KO ,  Sang Sup HAN ,  Soon-Haeng CHO

IPC分类号： C07C7/12

CPC分类号： C07C7/12 ,  C07C11/08

摘要： A method and apparatus for the separation of C4 olefins (butene-1, trans-2-butene, cis-2-butene, etc.) and C4 paraffins (normal butane, isobutane, etc) from a C4 hydrocarbon mixed gas including butene-1, trans-2-butene, cis-2-butene, normal butane, isobutane, etc. is provided. The apparatus includes several adsorption towers loaded with an adsorbent which selectively adsorb olefins and two distillation towers for the separation of the mixture gases of olefins/desorbents and paraffins/desorbents respectively. The basic operating process of the adsorption tower comprises an adsorption step of selectively adsorbing C4 olefin from the feeding mixture, a C4 olefin rinse step of removing a small amount of C4 paraffins adsorbed together with C4 olefins, and a desorption step of desorbing C4 olefins by using a desorbent, and further comprises pressure equalization step, concurrent depressurization step, and accumulation pressure step to increase the yield and concentration of olefins depending on the operation pressure of the adsorption tower.

摘要翻译： 用于从包括丁烯-1的C4烃混合气体中分离C4烯烃（丁烯-1，反式-2-丁烯，顺式-2-丁烯等）和C4链烷烃（正丁烷，异丁烷等）的方法和装置， 1，反式-2-丁烯，顺式-2-丁烯，正丁烷，异丁烷等。 该装置包括装有吸附剂的几个吸附塔，该吸附剂选择性地吸附烯烃和两个用于分离烯烃/脱附剂和石蜡/脱附剂的混合气体的蒸馏塔。 吸附塔的基本操作过程包括从进料混合物中选择性吸附C4烯烃的吸附步骤，除去与C4烯烃一起吸附的少量C4链烷烃的C4烯烃漂洗步骤，以及通过以下步骤解吸C4烯烃的解吸步骤 使用解吸剂，还包括压力平衡步骤，并行减压步骤和累积压力步骤，以根据吸附塔的操作压力提高烯烃的产率和浓度。

公开(公告)号：US20130206575A1

公开(公告)日：2013-08-15

申请号：US13854417

申请日：2013-04-01

申请人： Korea Institute of Energy Research ,  SK Energy Co., Ltd.

发明人： Jong-Ho PARK ,  Jong-Nam KIM ,  Seong-Jun LEE ,  Min-Su KO ,  Hee Tae BEUM ,  Jongkee PARK ,  Chang Hyun KO ,  Sang Sup HAN ,  Soon-Haeng CHO

IPC分类号： C07C7/12 ,  C07C7/04

CPC分类号： C07C7/12 ,  B01D3/143 ,  B01D53/04 ,  B01D2253/108 ,  B01D2256/24 ,  B01D2257/7022 ,  B01D2259/40086 ,  B01D2259/403 ,  C07C7/005 ,  C07C7/04 ,  C07C7/13 ,  C07C11/08

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。