Citation: Chaojun Yang, Fan Zhang, Nian Lei, Man Yang, Fei Liu, Zhili Miao, Yongnan Sun, Xiaochen Zhao, Aiqin Wang. Understanding the promotional effect of Au on Pt/WO₃ in hydrogenolysis of glycerol to 1,3-propanediol[J]. Chinese Journal of Catalysis, ;2018, 39(8): 1366-1372. doi: 10.1016/S1872-2067(18)63103-1 shu

Understanding the promotional effect of Au on Pt/WO₃ in hydrogenolysis of glycerol to 1,3-propanediol

Chaojun Yang ^a,b, ,
Fan Zhang ^a,b ,
Nian Lei ^a,b ,
Man Yang ^a,b ,
Fei Liu ^a ,
Zhili Miao ^a ,
Yongnan Sun ^a ,
Xiaochen Zhao ^a ,
Aiqin Wang ^a

a State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, China;
b University of Chinese Academy of Sciences, Beijing 100049, China

Received Date: 6 April 2018
Revised Date: 7 May 2018

Fund Project: This work was supported by the National Natural Science Foundation of China (21690080, 21690084, 21721004, 21673228), the Strategic Priority Research Program of the Chinese Academy of Sciences (XDB17020100), and the National Key Projects for Fundamental Research and Development of China (2016YFA0202801).

Pt/Au/WO₃ bimetallic catalysts were prepared by impregnation of Pt onto preformed Au/WO₃, obtained by a hexadecyl trmethyl ammonium bromide (CTAB)-assisted one-pot synthesis method. The resulting Pt/Au/WO₃ catalysts exhibited remarkable synergistic effects for selective hydrogenolysis of glycerol to 1,3-propanediol. The characterization results showed that doping of Au promoted the reduction of both Pt and W at low temperatures and uniform dispersion of Pt on the WO₃ support. Furthermore, more low-valence Pt species were produced on the WO₃ surface after introduction of Au. These changes in electronic properties resulted in enhancement of both glycerol conversion and selectivity for 1,3-propanediol.
- Bimetallic,
- Pt/Au/WO₃,
- Glycerol,
- 1,3-Propanediol,
- Hydrogenolysis
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Understanding the promotional effect of Au on Pt/WO3 in hydrogenolysis of glycerol to 1,3-propanediol

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Understanding the promotional effect of Au on Pt/WO₃ in hydrogenolysis of glycerol to 1,3-propanediol