Effect of Constant-Rate Reduction on the Performance of a Ternary Cu/ZnO/Al2O3 Catalyst in Methanol Synthesis

被引：2

作者：

Ruland, Holger ^{[1
]}

Busser, Wilma ^{[1
]}

Otto, Horst ^{[1
]}

Muhler, Martin ^{[1
]}

机构：

[1] Ruhr Univ Bochum, Lab Ind Chem, D-44801 Bochum, Germany

来源：

CHEMIE INGENIEUR TECHNIK | 2014年 / 86卷 / 11期

关键词：

Cu/ZnO/Al2O3; catalyst; Constant-rate reduction; Methanol synthesis; Cu surface area; TEMPERATURE-PROGRAMMED REDUCTION; SURFACE; BULK;

D O I：

10.1002/cite.201400065

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A multi-functional flow set-up was developed for the rate-and temperature-controlled reduction of copper catalysts, their application in high-pressure methanol synthesis and the determination of the copper surface area by N2O frontal chromatography. The influence of constant-rate reduction on the catalytic properties of a ternary Cu/ZnO/Al2O3 catalyst was investigated. The temperature during the constant-rate reduction was found to decrease, indicating autocatalytic kinetics, but no significant catalytic effect of the milder reduction conditions was observed compared with a slow linear heating ramp.

引用

页码：1890 / 1893

页数：4

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