期刊
CATALYSIS TODAY
卷 176, 期 1, 页码 144-148出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cattod.2011.01.028
关键词
Water gas shift; Cu/ZnO/Al2O3 catalyst; Alkali metals; Methanol formation
The following contribution shows the results of investigations on an influence of alkali metals compounds on physicochemical and catalytic properties as well as the most important operating parameters of Cu/ZnO/Al2O3 system, with a composition being similar to typical industrial heterogeneous catalysts for LT-WGS process. The addition of cesium or potassium to the Cu/ZnO/Al2O3 catalyst causes a decrease of copper surface. It gives remarkable inhibition of methanol synthesis, accompanying by a relatively small influence on the activity towards WGS. (C) 2011 Elsevier B.V. All rights reserved.
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