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    • 5. 发明申请
    • CONFIGURATIONS AND METHODS OF ACID GAS REMOVAL
    • 酸性气体去除的配置和方法
    • WO2004026441A1
    • 2004-04-01
    • PCT/US2002/029810
    • 2002-09-17
    • FLUOR CORPORATIONMAK, John
    • MAK, John
    • B01D53/14
    • B01D53/1456B01D53/1468B01D2259/652Y02C10/06
    • A plant includes an absorber (105) that receives a feed gas (10) at a pressure of at least 400 psig and comprising at least 5 mol% carbon dioxide, wherein the absorber (105) is operated at an isothermal or decreasing top -to-bottom thermal gradient, and wherein the absorber (105) employs a physical solvent to at least partially remove an acid gas from the feed gas (10). Such configuration advantageously provide cooling (108) by expansion of the rich solvent (21) generated in the absorber (105), wherein both a semi-rich solvent (13) generated and recycled to the absorber (105) and the feed gas (10) are cooled by expansion of the rich solvent (21).
    • 植物包括吸收剂(105),其在至少400psig的压力下接收进料气体(10)并且包含至少5mol%的二氧化碳,其中吸收器(105)以等温或减小的顶部操作 底部热梯度,并且其中吸收器(105)使用物理溶剂以至少部分地从进料气体(10)去除酸性气体。 这种结构有利地通过膨胀在吸收器(105)中产生的富溶剂(21)来提供冷却(108),其中产生并循环到吸收器(105)的半富含溶剂(13)和进料气体(10) )通过富溶剂(21)的膨胀而冷却。