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    • 6. 发明授权
    • Sorbent preparation and process using same
    • 吸附剂的制备及使用方法
    • US4085195A
    • 1978-04-18
    • US476669
    • 1974-06-05
    • Neville L. CullLloyd A. PineDale D. Maness
    • Neville L. CullLloyd A. PineDale D. Maness
    • B01D53/02B01D53/50B01J8/00C01B17/00
    • B01D53/508B01D53/02B01D53/50Y10S502/517
    • Process for preparing surface impregnated catalysts and sorbents, and flue gas desulfurization process using the same. The sorbent is produced by pre-soaking a porous solid particulate carrier material in a polar organic liquid such as a C.sub.5 -C.sub.10 alcohol, immersing the carrier without drying in an impregnating solution for a time sufficient to permit the impregnating solution to penetrate to a controlled depth without totally impregnating the carrier, and drying and calcining the impregnated carrier, whereby a contact material having an inner zone of substantially unimpregnated carrier and an outer zone of carrier impregnated with active material is produced. Sulfur dioxide is removed from flue gas by contacting the flue gas with a sorbent thus prepared. The preferred carrier for flue gas desulfurization is alumina and the preferred active material is copper oxide.
    • 制备表面浸渍催化剂和吸附剂的方法,以及使用其的烟道气脱硫方法。 吸附剂通过将多孔固体颗粒载体材料预浸泡在极性有机液体如C 5 -C 10醇中来制备,将载体浸没在浸渍溶液中而不干燥一段时间,足以允许浸渍溶液渗入受控的 深度而不完全浸渍载体,并干燥和煅烧浸渍的载体,由此制备具有基本上未浸渍的载体的内部区域和浸渍有活性材料的载体的外部区域的接触材料。 通过使烟道气与如此制备的吸附剂接触,从烟道气中除去二氧化硫。 烟气脱硫的优选载体是氧化铝,优选的活性物质是氧化铜。