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    • 4. 发明授权
    • Scavengers for removal of acid gases from fluid streams
    • 用于从流体流中除去酸性气体的清除剂
    • US07758837B2
    • 2010-07-20
    • US11123642
    • 2005-05-06
    • Vladislav I. Kanazirev
    • Vladislav I. Kanazirev
    • B01D53/12B01D53/68B01J20/08
    • B01J20/08B01D53/02B01D2253/104B01D2257/2045B01J20/0277B01J2220/44C01F7/004C01P2002/60C01P2002/82C01P2006/10C01P2006/80C01P2006/82
    • A composite sorbent is formed which is the reaction product of a solid alkali metal carbonate, rehydratable alumina and water or an aqueous solution of a metal salt. The reaction between the components occurs while forming particulates followed by curing and activation. In one embodiment, the composite contains an appreciable amount of a Dawsonite-type hydroxycarbonate as a final product or as an intermediate in at least one of the production stages. The alkali metal in the sorbent exhibits a highly reactive and accessible state that is very favorable for various sorption applications. The sorbent is especially useful for removal of HCl and other acid contaminants from gas and liquid hydrocarbon streams. It combines a high capacity for the contaminants with a low reactivity towards the hydrocarbon components of the main stream.
    • 形成复合吸附剂,其是固体碱金属碳酸盐,可再水化的氧化铝和水或金属盐的水溶液的反应产物。 组分之间的反应在形成颗粒之后发生,随后固化和活化。 在一个实施方案中,所述复合材料在至少一个生产阶段中含有可观量的作为最终产物的道亚逊型羟基碳酸酯或中间体。 吸附剂中的碱金属表现出非常有利于各种吸附应用的高反应性和可接近的状态。 吸附剂特别适用于从气体和液态烃流中去除HCl和其他酸性污染物。 它将高容量的污染物与对主流的烃组分具有低反应性相结合。
    • 5. 发明授权
    • Alumina bodies containing alkali or alkaline earth metal compounds
    • 含碱金属或碱土金属化合物的氧化铝体
    • US6159898A
    • 2000-12-12
    • US215761
    • 1998-12-19
    • Vladislav I. Kanazirev
    • Vladislav I. Kanazirev
    • B01J20/04B01J20/08B01J20/00
    • B01J20/08B01J20/041B01J20/3007B01J20/3078B01J20/3204B01J20/3236
    • A method of producing activated alumina bodies having alkali or alkaline earth metal compounds incorporated therein, the bodies suitable for adsorption and having increased capacity for adsorption of gases and the like. The method comprises providing a source of activated alumina powder and further providing an aqueous solution having an alkali or alkaline earth metal hydroxide and a water soluble alkali or alkaline earth metal salt of an organic compound dissolved therein. The activated alumina powder is formed into bodies which are treated with the aqueous solution to provide alumina bodies having alkali or alkaline earth metal compounds incorporated therein. The alumina bodies are heated for purposes of activation to provide said activated alumina bodies capable of having increased adsorption capacity.
    • 一种生产具有掺入其中的碱金属或碱土金属化合物的活性氧化铝体的方法,适用于吸附并具有增加的气体吸附能力等的物质。 该方法包括提供活性氧化铝粉末源,并进一步提供其中溶解有有机化合物的碱金属或碱土金属氢氧化物和水溶性碱金属或碱土金属盐的水溶液。 活性氧化铝粉末形成为用水溶液处理以提供掺入其中的碱金属或碱土金属化合物的氧化铝体的体。 氧化铝体被加热以用于活化,以提供能够增加吸附能力的所述活化氧化铝体。
    • 6. 发明授权
    • Alumina based adsorbent containing alkali metal compounds
    • 基于氧化铝的吸附剂含有碱金属化合物
    • US5935894A
    • 1999-08-10
    • US886993
    • 1997-07-02
    • Vladislav I. Kanazirev
    • Vladislav I. Kanazirev
    • B01J20/08B01J23/02B01J23/04B01J20/04B01J21/04
    • B01J20/08B01J23/02B01J23/04
    • A method of preparing an alumina-based bodies suitable for use as an adsorbent or catalyst, the method comprising providing a source of activated alumina powder for forming into bodies and providing an aqueous solution containing at least two different alkali metals, at least one alkali metal derived from a soluble carboxylic acid alkali metal salt. As said powder is formed into said bodies, the bodies are contacted or sprayed with the aqueous solution to provide composite bodies containing the alumina powder and the alkali metals and the soluble carboxylic acid alkali metal salt. Alternatively, the alumina bodies may be formed first and then contacted, e.g., soaked in the aqueous solution. Or, a viscous slurry of the activated alumina powder and the aqueous solution may be made. The viscous slurry may be made into bodies by extrusion or by the oil drop method. Thereafter, the bodies are thermally treated to activate alumina therein and remove or decompose the organic part, e.g., carboxylic acid, of the soluble carboxylic acid alkali metal salt.
    • 一种制备适合用作吸附剂或催化剂的氧化铝基体的方法,所述方法包括提供用于形成体的活性氧化铝粉末源,并提供含有至少两种不同碱金属的水溶液,至少一种碱金属 衍生自可溶性羧酸碱金属盐。 当所述粉末形成所述体时,将体与水溶液接触或喷雾,以提供含有氧化铝粉末和碱金属和可溶性羧酸碱金属盐的复合体。 或者,可以首先形成氧化铝体,然后接触,例如浸泡在水溶液中。 或者,可以制备活性氧化铝粉末和水溶液的粘稠浆液。 粘稠浆料可以通过挤压或油滴法制成体内。 此后,将物体热处理以在其中活化氧化铝,并除去或分解可溶性羧酸碱金属盐的有机部分,例如羧酸。