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    • 66. 发明申请
    • A PLANT AND PROCESS FOR RECOVERING CARBON DIOXIDE
    • 一种用于回收二氧化碳的设备和方法
    • WO2009073928A1
    • 2009-06-18
    • PCT/AU2008/001831
    • 2008-12-12
    • CO2CRC TECHNOLOGIES PTY LTDWEBLEY, Paul, AnthonyZHANG, Jun
    • WEBLEY, Paul, AnthonyZHANG, Jun
    • B01D53/047B01D53/62B01D53/74
    • B01D53/0476B01D53/229B01D2253/102B01D2253/104B01D2253/106B01D2253/108B01D2256/22B01D2259/40043B01D2259/40064B01D2259/402Y02C10/04Y02C10/08
    • The present invention relates to a process and plant for the recovery of carbon dioxide from a gas stream by means of pressure swing adsorption using an adsorbent, such as X or Y type Zeolite adsorbents. The gas feed stream suitably has a moderate concentration of carbon dioxide, such as gas emitted from the filling bowl of the carbonated drinks bottling plant and is recovered without rinsing or purging the adsorbent with a high purity carbon dioxide gas stream. The process therefore provides the advantage of being capturing carbon dioxide from the effluent that would otherwise be emitted to the atmosphere and captures the carbon dioxide in a manner that minimises operational and capital expenditure. The present invention also relates to a process for utilizing one dry stream from a gas separation unit (adsorption or membrane process) to conduct evaporative cooling of water, which is used as the water in a liquid ring vacuum pump thereby decreasing the vacuum level and improving the performance.
    • 本发明涉及使用吸附剂如X或Y型沸石吸附剂通过变压吸附从气流中回收二氧化碳的方法和设备。 气体进料流适当地具有中等浓度的二氧化碳,例如从碳酸饮料装瓶厂的填充碗排出的气体,并且在不用高纯度二氧化碳气流冲洗或清洗吸附剂的情况下回收。 因此,该方法提供了从流出物中捕获二氧化碳的优点,否则这些二氧化碳将被排放到大气中并以最小化操作和资本支出的方式捕获二氧化碳。 本发明还涉及利用来自气体分离单元(吸附或膜过程)的一个干燥流进行水的蒸发冷却的方法,该水用作液环真空泵中的水,从而降低真空度并提高 的表现。