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    • 2. 发明申请
    • METHOD OF DEACIDIZING A GAS BY PARTLY NEUTRALIZED MULTIAMINES
    • 通过部分中和多元胺消除气体的方法
    • US20070264180A1
    • 2007-11-15
    • US11746137
    • 2007-05-09
    • Pierre-Louis CarretteRenaud CadoursAlexandre GibertMonique PrigentPierre Boucot
    • Pierre-Louis CarretteRenaud CadoursAlexandre GibertMonique PrigentPierre Boucot
    • B01D53/14
    • B01D53/1456B01D53/1425B01D53/1493Y02E50/343
    • Method of deacidizing a gaseous effluent comprising acid compounds such as H2S, mercaptans, CO2, COS, SO2, CS2. An absorbent solution comprising reactive compounds with at least two amine functions is used and the following stages are carried out: a) contacting the gaseous effluent with a first fraction of the absorbent solution, so as to obtain a gaseous effluent depleted in acid compounds and a liquid effluent laden with acid compounds, b) contacting the liquid effluent obtained in stage a) with a second fraction of absorbent solution laden with molecules more acid than the acid compounds, so as to cause formation of a first liquid phase depleted in acid compounds and of a second liquid phase enriched in acid compounds and laden with more acid molecules, c) separating the first phase from the second phase, d) regenerating the second phase so as to release a gas stream rich in acid compounds and a liquid stream poor in acid compounds and laden with more acid molecules.
    • 使包含酸化合物如H 2 S,硫醇,CO 2,COS,SO 2,CS 2的气态流出物脱酸的方法, 2 。 使用包含具有至少两种胺官能团的反应性化合物的吸收剂溶液,并进行以下阶段:a)使气态流出物与吸收剂溶液的第一部分接触,以获得贫酸化合物和 带有酸性化合物的液体流出物,b)将a)阶段中得到的液体流出液与第二部分吸收剂溶液接触,分子比酸性化合物酸更酸,从而形成贫酸化合物的第一液相, 的第二液相富含酸性化合物并含有更多的酸分子,c)将第一相与第二相分离,d)再生第二相以释放富含酸化合物的气流和不良的 酸化合物并含有更多的酸分子。