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.

引用

页码：201 / 216

页数：15

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