RECENT STUDIES IN HYDROGEN AND OXYGEN SPILLOVER AND THEIR IMPACT ON CATALYSIS

被引：109

作者：

TEICHNER, SJ

机构：

[1] Laboratoire de Thermodynamique et Cinétique Chimiques, Université Claude Bernard Lyon I, 69622 Villeurbanne Cedex, 43 Boulevard du

来源：

APPLIED CATALYSIS | 1990年 / 62卷 / 01期

关键词：

dehydrogenation; hydroconversion; hydrocracking; hydrogen spillover; hydrogenation; oxidation; oxygen spillover; zeolite-based hydrocracking catalysts;

D O I：

10.1016/S0166-9834(00)82232-0

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：

Recent studies have shown that the spillover of adsorbed species (hydrogen, oxygen) is a fast phenomenon which can compete with the rate of catalytic reactions. The spillover species formed on one phase (metal) may react with the reactant adsorbed on the second phase (oxide). More subtle interactions are observed when the spillover species create new types of active centres on the second phase or when they continuously modify or regenerate the catalytic centres of the second phase. The catalytic activity and selectivity may be thus promoted or modified by the spillover of adsorbed species. © 1990.

引用

页码：1 / 10

页数：10

共 23 条

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