Preparation of Alumina-Supported Co-Mo Bimetallic Nitride Catalysts by Co-precipitation

Chinese Journal of Catalysis ›› 2009, Vol. 30 ›› Issue (7): 613-618.

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Preparation of Alumina-Supported Co-Mo Bimetallic Nitride Catalysts by Co-precipitation

ZHANG Xinbo1,2, XU Liyong2, YUAN Junfeng1, ZHANG Yajuan2, LU Chunshan1, LI Xiaonian1,*

1State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology, Institute of Industrial Catalysis, Zhejiang University of Technology, Hangzhou 310012, Zhejiang, China 2Zhejiang Pharmaceutical College, Ningbo 315000, Zhejiang, China

Received:2009-07-25 Online:2009-07-25 Published:2013-04-24

Abstract

Abstract: The alumina-supported Co-Mo bimetallic oxide precursor was prepared by coprecipitation of ethanolic solution of Al(NO3)3 and Co(NO3)2, and aqueous solution of (NH4)2CO3 and (NH4)6Mo7O24. The precursor was then reduced to Co-Mo bimetallic nitride catalyst by NH3 temperature-programmed reaction. This nitride catalyst has higher activity, higher crystal stability, and more uniform dispersion of the active components than the sample prepared by impregnation.

Key words: cobalt, molybdenum, alumina, ammonia decomposition, coprecipitation method, impregnation method

ZHANG Xinbo;XU Liyong;YUAN Junfeng;ZHANG Yajuan;LU Chunshan;LI Xiaonian;*. Preparation of Alumina-Supported Co-Mo Bimetallic Nitride Catalysts by Co-precipitation[J]. Chinese Journal of Catalysis, 2009, 30(7): 613-618.

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Preparation of Alumina-Supported Co-Mo Bimetallic Nitride Catalysts by Co-precipitation

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