AN AQUEOUS ALKANOLAMINE COMPOSITION AND PROCESS FOR THE SELECTIVE REMOVAL OF HYDROGEN SULFIDE FROM GASEOUS MIXTURES
    2.
    发明申请
    AN AQUEOUS ALKANOLAMINE COMPOSITION AND PROCESS FOR THE SELECTIVE REMOVAL OF HYDROGEN SULFIDE FROM GASEOUS MIXTURES 审中-公开
    一种水性烷基胺组合物和从气体混合物中选择性除去氢硫化物的方法

    公开(公告)号:WO2016187199A1

    公开(公告)日:2016-11-24

    申请号:PCT/US2016/032875

    申请日:2016-05-17

    IPC分类号: B01D53/14

    摘要: The present invention relates to an aqueous alkanolamine solution and use therein a process for the selective removal of hydrogen sulfide from gaseous mixtures comprising hydrogen sulfide. The aqueous alkanolamine solution consists of - an amino compound with the formula: R 1 R 2 NCH 2 CH(OH)CH 2 OH wherein R 1 and R 2 independently represent methyl, ethyl, propyl or isopropyl groups - and bis(2-hydroxyethyl)methylamine, - optionally one or more of a physical solvent, an antifoaming agent, an antioxidant, a corrosion inhibitor, a film former, a chelating agent or a pH adjuster and - water The process for selectively removing hydrogen sulfide, comprising the step of contacting the gaseous mixture with the aqueous alkanolamine solution, preferably wherein the temperature of the aqueous alkanolamine solution is equal to or greater than 140°F.

    摘要翻译: 本发明涉及一种链烷醇胺水溶液,并在其中用于从包含硫化氢的气体混合物中选择性除去硫化氢的方法。 链烷醇胺水溶液由以下结构式的氨基化合物组成:其中R 1和R 2独立地表示甲基,乙基,丙基或异丙​​基 - 和双(2-羟乙基)甲胺, - 任选地一个或多个 物理溶剂,消泡剂,抗氧化剂,缓蚀剂,成膜剂,螯合剂或pH调节剂和水。选择性除去硫化氢的方法,包括使气态混合物与烷基醇胺水溶液接触的步骤, 优选其中链烷醇胺水溶液的温度等于或大于140°F。