HYDROGENATION OF CITRAL IN THE LIQUID-PHASE OVER NEW BIMETALLIC NI-M CATALYSTS SUPPORTED ON GRAPHITE

被引：0
|
作者：
COURT, J [1 ]
JABLONSKI, J [1 ]
HAMARTHIBAULT, S [1 ]
机构：
[1] INST NATL POLYTECH GRENOBLE,ENSEEG,LTPCM,CNRS,URA 29,F-38402 ST MARTIN DHERES,FRANCE
来源：
HETEROGENEOUS CATALYSIS AND FINE CHEMICALS III | 1993年 / 78卷
关键词：
D O I：
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中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We prepared Ni-M (M = Al, Cr, Cu, Co and Mo) catalysts supported on graphite, at low temperature, by coreduction of metal salt mixtures (NiX(2), MX2) deposited on this support with sodium naphthalene as reducting agent. Quantitative microanalyses performed by STEM/EDX showed that the two metals were evenly distributed over graphite leaflets. The activity and the selectivity of these catalysts in the hydrogenation of citral to citronellal and citronellol have been compared with that of unsupported bimetallic catalysts, with the same atomic composition and prepared by the same procedure. It appeared that the nickel surface area of the supported catalysts was notably higher than that of the unsupported ones, but the support had almost no effect on the catalytic properties.
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页码：155 / 162
页数：8
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