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1. SiO2 promoted Pt/WO x /ZrO2 catalysts for the selective hydrogenolysis of glycerol to 1,3-propanediol.

Author

Zhu, Shanhui, Gao, Xiaoqing, Zhu, Yulei, Cui, Jinglei, Zheng, Hongyan, and Li, Yongwang

Subjects
*SILICON oxide, *HYDROGENOLYSIS, *PROPYLENE glycols, *GLYCERIN, *ZIRCONIUM oxide, *HYDROGENATION, *DEHYDRATION reactions
Abstract

Highlights: [•] Addition of SiO2 to PtW/Zr greatly enhanced activity and 1,3-propanediol selectivity. [•] 54.3% conversion and 52.0% 1,3-propanediol selectivity were achieved over 5PtW/ZrSi. [•] A model scheme of WO x transformation due to SiO2 doping has been built. [•] Pt and polytungstate have been identified as the dominant active phases. [•] Glycerol hydrogenolysis conforms to the dehydration–hydrogenation mechanism. [Copyright &y& Elsevier]

Published
2014
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