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    • 4. 发明申请
    • METHOD OF DEACIDIZING A GASEOUS EFFLUENT WITH EXTRACTION OF THE PRODUCTS TO BE REGENERATED
    • 用于提取待再生产品的气体洗涤液的方法
    • US20070286783A1
    • 2007-12-13
    • US11745512
    • 2007-05-08
    • Pierre-Louis CarretteBruno DelfortRenaud CadoursArnaud BaudotElsa JolimaitreLionel MagnaPierre Boucot
    • Pierre-Louis CarretteBruno DelfortRenaud CadoursArnaud BaudotElsa JolimaitreLionel MagnaPierre Boucot
    • B01D53/48B01D53/50B01D53/62
    • B01D53/1425B01D53/1456B01D53/1493
    • The present invention relates to a method of deacidizing a gaseous effluent comprising at least one of the acid compounds as follows: H2S, mercaptans, CO2, COS, SO2, CS2, wherein the following stages are carried out: a) contacting the acid compounds contained in said effluent with reactive compounds forming a liquid, so as to obtain a gaseous effluent depleted in acid compounds and a first liquid fraction comprising products formed by reaction of the reactive compounds with acid compounds, and reactive compounds that did not react with acid compounds, b) contacting said products contained in the first liquid fraction with extraction compounds forming a second liquid fraction so as to obtain a product-depleted first liquid fraction and a product-enriched second liquid fraction, c) recycling to stage a) the first liquid fraction obtained in stage b), said first liquid fraction obtained making up at least part of said liquid, d) regenerating the second liquid fraction obtained in stage b) so as to release acid compounds in gaseous form and to obtain a mixture of reactive compounds and of extraction compounds.
    • 本发明涉及一种使包含至少一种酸化合物的气态流出物脱酸的方法如下:H 2 S,硫醇,CO 2,COS,SO, 其中进行以下阶段:a)使包含在所述流出物中的酸化合物与形成液体的反应性化合物接触,以获得气态流出物 贫酸化合物和包含通过反应性化合物与酸化合物反应形成的产物的第一液体馏分,以及不与酸性化合物反应的反应性化合物,b)使包含在第一液体馏分中的所述产物与形成第二液体的萃取化合物接触 液体馏分,以获得产物贫化的第一液体馏分和产物富集的第二液体馏分,c)循环至a)在步骤b)中获得的第一液体馏分,所获得的所述第一液体馏分构成至少部分 说液体,d)再生 在步骤b)中获得的第二液体馏分,以释放气态的酸化合物,并获得反应性化合物和萃取化合物的混合物。
    • 9. 发明授权
    • Sour gas treatment process
    • 酸气处理工艺
    • US08821615B2
    • 2014-09-02
    • US13380351
    • 2010-06-25
    • Claire WeissRenaud CadoursKamal Bouzalmata
    • Claire WeissRenaud CadoursKamal Bouzalmata
    • B01D53/14B01D53/52C10L3/10C01B17/04
    • B01D53/1425B01D53/1462B01D53/526B01D2256/24B01D2257/504B01D2257/80B01D2258/06C01B17/0408C10L3/10C10L3/102Y02P20/152
    • The disclosure relates to a process for treating a gas mixture containing carbon dioxide and hydrogen sulphide, including the following steps: deacidificating the gas mixture by bringing the gas mixture into contact with a first lean absorbent solution stream, delivering a deacidified gas mixture, and a first rich absorbent solution stream; regenerating the first rich absorbent solution stream, delivering the first lean absorbent solution stream and a sour gas stream; distillating the sour gas stream, delivering a first carbon-dioxide-rich stream and a hydrogen-sulphide-rich stream; purifying the first carbon-dioxide-rich stream by bringing the first carbon-dioxide-rich stream into contact with a second lean absorbent solution stream, delivering a second carbon-dioxide-rich stream and a second rich absorbent solution stream, the molar concentration of carbon dioxide in the second carbon-dioxide-rich stream being greater than the molar concentration of carbon dioxide in the first carbon-dioxide-rich stream. The disclosure also relates to an installation designed to implement this process.
    • 本公开涉及一种处理含有二氧化碳和硫化氢的气体混合物的方法,包括以下步骤:通过使气体混合物与第一贫吸收剂溶液流接触,输送脱酸气体混合物,并使 第一富含吸收剂溶液流; 再生第一富吸收剂溶液流,输送第一贫吸收剂溶液流和酸气流; 蒸馏酸气流,输送富含第二富二氧化碳的流和富含硫化氢的物流; 通过使第一富含二氧化碳的物流与第二贫吸收剂溶液流接触,输送第二富二氧化碳流和第二富吸收剂溶液流来净化第一富含二氧化碳的物流,摩尔浓度 第二富二氧化碳流中的二氧化碳大于第一富二氧化碳流中二氧化碳的摩尔浓度。 本公开还涉及设计用于实现该过程的安装。