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Preparation and Characterization of a Sulfur-tolerant Shift Catalyst Prepared from New Coholt-molybdenum precursor

Zhong Aiguo (Dept Chem Eng,Central South China Inst Technol,Hengyang,Hunan, 421001 )  
This paper reports the preparation of new HB-3Q Co-Mo-K-Al sulfur--tolerant shift catalyst bypore volume ion-exchange co-impregnation using alkali solution at room temperature. Influence of preparation conditions such as carriers .Co-Mo precursor salts,competitor impregnating compounds,atomicratios of loaded metal and PH value were studied. Microdispersion state of active components on Y--Al,O,carrier was characterized by XRD and DTA. It is shown that new catalyst prepared from new oxalateCo-Mo precursors has activity and crushing strength comparable to that prepared from ammonia complexes while cost of preparation is considerably lowered
【CateGory Index】: TQ426
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