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公开(公告)号：US08287626B2
公开(公告)日：2012-10-16
申请号：US12523504
申请日：2008-01-18
IPC分类号： B01D53/14
CPC分类号： B01D53/1425 , B01D53/1462 , B01D2256/24 , B01D2257/304 , B01D2257/306 , B01D2257/308 , B01D2257/504 , C10L3/10 , C10L3/102
摘要： A method for treating a gas mixture containing acid gases, including: contacting the gas mixture with an absorbing solution, to obtain a de-acidified gas mixture and an absorbing solution with acid gases. To regenerate the absorbing solution with acid gases, the absorbing solution is passed into a first regenerator at a first pressure, then the solution is passed into a second regenerator at a second pressure, and finally to a third regenerator at a third pressure, the third pressure being less than the second pressure which is less than the first pressure. The gases from the second and third regenerator are compressed and recycled to the first and second regenerator, respectively. Gases from the second and/or the third regenerator are drawn off to provide a gas mixture rich in hydrogen sulfide. Gases from the first regenerator are drawn off to provide a gas mixture rich in carbon dioxide.
摘要翻译： 一种处理含有酸性气体的气体混合物的方法，包括：使气体混合物与吸收溶液接触，得到脱酸气体混合物和具有酸性气体的吸收溶液。 为了用酸性气体再生吸收溶液，吸收溶液在第一压力下进入第一再生器，然后溶液以第二压力进入第二再生器，最后在第三压力下进入第三再生器，第三次再生器 压力小于小于第一压力的第二压力。 来自第二和第三再生器的气体分别被压缩并再循环到第一和第二再生器。 抽出来自第二和/或第三再生器的气体以提供富含硫化氢的气体混合物。 排出来自第一再生器的气体以提供富含二氧化碳的气体混合物。
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公开(公告)号：US20100083696A1
公开(公告)日：2010-04-08
申请号：US12523504
申请日：2008-01-18
CPC分类号： B01D53/1425 , B01D53/1462 , B01D2256/24 , B01D2257/304 , B01D2257/306 , B01D2257/308 , B01D2257/504 , C10L3/10 , C10L3/102
摘要： A method for treating a gas mixture containing acid gases is provided, comprising: contacting the gas mixture with an absorbing solution, by means of which a de-acidified gas mixture and an absorbing solution loaded with acid gases may be obtained; and regenerating the absorbing solution loaded with acid gases; wherein the regeneration comprises the following steps: passing the absorbing solution into a first regenerator at a first pressure; and then passing the absorbing solution into a second regenerator at a second pressure, less than the first pressure; and compressing the gases from the second regenerator and recycling the thereby compressed gases to the first regenerator, subsequent to passing into the second regenerator, passing the absorbing solution into a third regenerator at a third pressure less than the second pressure; and compressing the gases from the third regenerator and recycling the thereby compressed gases to the second regenerator; and wherein at least a portion of the gases from the second and/or the third regenerator is drawn off in order to provide a gas mixture rich in hydrogen sulfide and at least a portion of the gases from the first regenerator is drawn off in order to provide a gas mixture rich in carbon dioxide. The invention also relates to an installation for applying this method.
摘要翻译： 提供一种处理含有酸性气体的气体混合物的方法，包括：使气体混合物与吸收溶液接触，通过该方法可以获得装载有酸性气体的脱酸气体混合物和吸收溶液; 并再生装载有酸性气体的吸收溶液; 其中所述再生包括以下步骤：将所述吸收溶液以第一压力通入第一再生器; 然后在小于第一压力的第二压力下将吸收溶液通入第二再生器; 以及压缩来自所述第二再生器的气体，并且随后将所述压缩气体再循环到所述第一再生器，在进入所述第二再生器之后，使所述吸收溶液以小于所述第二压力的第三压力将所述吸收溶液通入第三再生器; 并压缩来自第三再生器的气体并将由此的压缩气体再循环到第二再生器; 并且其中来自第二和/或第三再生器的至少一部分气体被抽出以提供富含硫化氢的气体混合物，并且将来自第一再生器的气体的至少一部分排出，以便 提供富含二氧化碳的气体混合物。 本发明还涉及一种应用该方法的装置。
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