Au Catalysts Supported on Titania with Different Crystal Phases for Selective Hydrogenation of Crotonaldehyde

Chinese Journal of Catalysis ›› 2009, Vol. 30 ›› Issue (6): 543-548.

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Au Catalysts Supported on Titania with Different Crystal Phases for Selective Hydrogenation of Crotonaldehyde

XIE Guanqun1,2, LIU Xijing2, TAO Liping2, LU Jiqing2, LUO Mengfei2,*, LI Xiaonian1,*

1 State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Institute of Industrial Catalysis, Zhejiang University of Technology, Hangzhou 310032, Zhejiang, China; Zhejiang Key Laboratory for Reactive Chemistry on Solid Surfaces, Institute of Physical Chemistry, hejiang Normal University, Jinhua 321004, Zhejiang, China

Received:2009-06-25 Online:2009-06-25 Published:2013-03-22

Abstract

Abstract: The phase composition of TiO2 has an important influence on Au/TiO2 catalysts in the selective hydrogenation of crotonaldehyde. The mixed phase of rutile and anatase can improve both the activity and the selectivity for crotyl alcohol. Furthermore, higher reduction temperature favors the selectivity for crotyl alcohol, which is 2.7 times that of butanal at the reduction temperature of 500 oC.

Key words: gold, titania, supported catalyst, crotonaldehyde, selective hydrogenation, crotyl alcohol, phase transformation

XIE Guanqun;LIU Xijing;TAO Liping;LU Jiqing;LUO Mengfei;*;LI Xiaonian;*. Au Catalysts Supported on Titania with Different Crystal Phases for Selective Hydrogenation of Crotonaldehyde[J]. Chinese Journal of Catalysis, 2009, 30(6): 543-548.

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Au Catalysts Supported on Titania with Different Crystal Phases for Selective Hydrogenation of Crotonaldehyde

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