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    • 38. 发明授权
    • Desulfurization apparatus and method
    • 脱硫装置及方法
    • US08465712B2
    • 2013-06-18
    • US12617197
    • 2009-11-12
    • Charles RongRongzhong JiangDeryn Chu
    • Charles RongRongzhong JiangDeryn Chu
    • B01D53/52B01D53/82B01D53/04B01J8/04C01F17/00C01F11/02
    • B01D53/52B01D2251/404B01D2251/602
    • A method and system for desulfurization comprising first and second metal oxides; a walled enclosure having an inlet and an exhaust for the passage of gas to be treated; the first and second metal oxide being combinable with hydrogen sulfide to produce a reaction comprising a sulfide and water; the first metal oxide forming a first layer and the second metal oxide forming a second layer within the walled surroundings; the first and second layers being positioned so the first layer removes the bulk amount of the hydrogen sulfide from the treated gas prior to passage through the second layer, and the second layer removes substantially all of the remaining hydrogen sulfide from the treated gas; the first metal oxide producing a stoichiometrical capacity in excess of 500 mg sulfur/gram; the second metal oxide reacts with the hydrogen sulfide more favorably but has a stoichometrical capacity which is less than the first reactant; whereby the optimal amount by weight of the first and second metal oxides is achieved by utilizing two to three units by weight of the first metal oxide for every unit of the second metal oxide.
    • 一种脱硫方法和系统,包括第一和第二金属氧化物; 具有用于待处理气体通过的入口和排气口的有壁的外壳; 所述第一和第二金属氧化物可与硫化氢组合以产生包含硫化物和水的反应; 所述第一金属氧化物形成第一层,所述第二金属氧化物在所述围壁周围形成第二层; 第一层和第二层被定位成使得第一层在通过第二层之前从经处理的气体中去除大量的硫化氢,并且第二层基本上从处理过的气体中去除剩余的所有硫化氢; 产生超过500mg硫/克的化学计量容量的第一金属氧化物; 第二金属氧化物更有利地与硫化氢反应,但是具有小于第一反应物的堆积能力; 由此通过对于第二金属氧化物的每一单位使用二至三重量份的第一金属氧化物来实现第一和第二金属氧化物的最佳重量。