Hydroconversion of acetic acid over indium- and phosphorus-modified nickel/laponite catalysts

被引：0
|
作者：
Gy. Onyestyák
Sz. Harnos
C. A. Badari
Sz. Klébert
A. Kaszonyi
J. Valyon
机构：
[1] Hungarian Academy of Sciences,Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences
[2] Slovak University of Technology,Department of Organic Technology
来源：
Reaction Kinetics, Mechanisms and Catalysis | 2015年 / 115卷
关键词：
Acetic acid hydroconversion; Ethanol; Ni/laponite; Ni; In/laponite; Ni; P/laponite;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Modified catalysts were prepared from laponite (LT)-supported Ni catalyst. The catalysts were characterized by specific surface area, pore size distribution, in situ X-ray diffractometry and activity in the hydroconversion of acetic acid (AA) at 21 bar total pressure, WHSVAA = 0.5–3.0 h−1, and 260–380 °C reaction temperature. The modification generated LT-supported Ni2In or Ni2P active phases. The Ni2P catalyst showed hydrodecarbonylation activity. The Ni2In/LT catalyst has a balanced hydrogenating activity, providing ethanol (EL) and H2O as main products. The EL formation was substantiated to proceed through acetaldehyde/vinyl alcohol intermediates.
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页码：201 / 216
页数：15
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