Modified sepiolite supported nickel and tungsten oxide catalysts for glycerol hydrogenolysis to 1,2-propanediol with high selectivity under mild conditions

被引：0
|
作者：
Wei Long
Fang Hao
Wei Xiong
Pingle Liu
He’an Luo
机构：
[1] Xiangtan University,School of Chemical Engineering
来源：
Reaction Kinetics, Mechanisms and Catalysis | 2017年 / 122卷
关键词：
1,2-propanediol; Hydrogenolysis; Glycerol; Tungsten oxide;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Modified sepiolite supported nickel and tungsten oxide catalysts were prepared for glycerol hydrogenolysis to 1,2-propanediol. The effects of nickel dispersion, the amount of WO3 and reaction conditions on catalytic performance were investigated. The Ni-7.5-WO3-1/MSEP catalyst gave the best result of 88.3% glycerol conversion and 96.8% selectivity to 1,2-propanediol under 2.0 MPa and 180 °C. A certain amount of tungsten oxide helps the nickel dispersion and improves the selectivity to 1,2-propanediol. Finally, a possible reaction mechanism was proposed.
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页码：85 / 100
页数：15
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