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    • 7. 发明申请
    • PROCESS AND APPARATUS USING A SPRAY ABSORBER BIOREACTOR FOR THE BIOCATALYTIC TREATMENT OF GASES
    • 使用喷雾吸收器生物反应器进行气体生物处理的工艺和设备
    • WO2004056455A1
    • 2004-07-08
    • PCT/CA2003/001989
    • 2003-12-18
    • CO2 SOLUTION INC.FRADETTE, Sylvie
    • FRADETTE, Sylvie
    • B01D53/84
    • B01D53/84B01D53/1475Y02A50/2358Y02C10/06
    • A process using a spray absorber bioreactor for the biocatalytic treatment of gases is disclosed. The process comprises the steps of contacting a gas phase, containing a gas to be treated, to a liquid phase containing a reactant capable of chemically reacting with and/or absorbing the gas, thereby producing a spent liquid phase containing at least one reaction product and a treated gas phase substantially free of the gas, such step being performed in the presence of biocatalysts suitable for catalyzing the chemical reaction between the gas and the reactant. The process is characterized in that the gas phase is contacted to spray droplets of liquid phase containing biocatalysts. The use of droplets of liquid containing the biocatalysts enables to increase the gas-liquid interface, thereby allowing a high mass transfer rate of the gas to be treated from the gas phase to the liquid phase. These conditions of high mass transfer enable to transform the gas with a maximum reaction rate. This process can advantageously be used for cleaning or purifying a gas phase containing a harmful gas. For example, it can be used for extracting CO 2 from a gas emission.
    • 公开了使用喷雾吸收器生物反应器进行气体生物催化处理的方法。 该方法包括以下步骤:将含有待处理气体的气相与含有能够与气体发生化学反应和/或吸收气体的反应物的液相接触,从而产生含有至少一种反应产物的废液相, 基本上不含气体的处理气相,该步骤在适于催化气体和反应物之间的化学反应的生物催化剂存在下进行。 该方法的特征在于使气相与含有液相的生物催化剂的液滴接触。 使用含有生物催化剂的液体液滴能够增加气 - 液界面,从而允许从气相到液相的待处理气体的高质量传递速率。 这些高质量传递条件能够以最大的反应速率转化气体。 该方法可有利地用于清洗或净化含有有害气体的气相。 例如,它可以用于从气体排放中提取二氧化碳。