REACTIVITY OF TUNGSTEN CARBIDES .1. CATALYTIC AND TEMPERATURE-PROGRAMMED REACTIONS OF METHANOL

被引:15
作者
LEE, JS [1 ]
BOUDART, M [1 ]
机构
[1] STANFORD UNIV,DEPT CHEM ENGN,STANFORD,CA 94305
关键词
TUNGSTEN CARBIDE; METHANOL REACTIONS;
D O I
10.1007/BF00764106
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
When methanol reacts over tungsten carbide in a steady-state catalytic mode, methyl formate is formed with a selectivity higher than 90%. On the other hand, temperature-programmed decomposition of methanol preadsorbed on the same surface produces mostly carbon monoxide. The difference in selectivity in both modes of reaction is discussed. By contrast, platinum catalyzes the transformation of methanol to dimethyl ether with high selectivity.
引用
收藏
页码:107 / 114
页数:8
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