Methods of Removing Contaminants from Hydrocarbon Stream by Swing Adsorption and Related Apparatus and Systems
    10.
    发明申请
    Methods of Removing Contaminants from Hydrocarbon Stream by Swing Adsorption and Related Apparatus and Systems 有权
    通过摆动吸附和相关设备和系统从烃流中除去污染物的方法

    公开(公告)号:US20140033919A1

    公开(公告)日:2014-02-06

    申请号:US13984911

    申请日:2012-02-27

    IPC分类号: B01D53/047

    摘要: A pressure swing adsorption process for removal of C02 from natural gas streams through a combination of a selective adsorbent material containing an effective amount of a non-adsorbent filler, adsorbent contactor design, and adsorption cycle design. The removal of contaminants from gas streams, preferably natural gas streams, using rapid-cycle swing adsorption processes, such as rapid-cycle pressure swing adsorption (RC-PSA). Separations at high pressure with high product recovery and/or high product purity are provided through a combination of judicious choices of adsorbent material, gas-solid contactor, system configuration, and cycle designs. For example, cycle designs that include steps of purge and staged blow-down as well as the inclusion of a mesopore filler in the adsorbent material significantly improves product (e.g., methane) recovery. An RC-PSA product with less than 10 ppm H2S can be produced from a natural gas feed stream that contains less than 1 mole percent H2S.

    摘要翻译: 一种用于通过选择性吸附剂材料与含有有效量的非吸附剂填料,吸附剂接触器设计和吸附循环设计的组合从天然气流中除去CO 2的变压吸附方法。 使用快速循环挥发吸附法,如快速循环变压吸附(RC-PSA),从气流中除去污染物,最好是天然气流。 通过组合吸附材料,气固接触器,系统配置和循环设计的明智选择,提供高压产品回收和/或高产品纯度的高压分离。 例如,包括吹扫和分级吹扫的步骤以及在吸附剂材料中包含中孔填料的循环设计显着地改善了产物(例如,甲烷)回收率。 具有小于10ppm H2S的RC-PSA产品可以由含有少于1摩尔%H 2 S的天然气进料流产生。