PT-MO BIMETALLIC CATALYSTS SUPPORTED ON Y-ZEOLITE .3. SPECIFIC ROLE OF MOLYBDENUM IN HYDROCARBON ADSORPTION AND CONVERSION

被引：6

作者：

TRI, TM ^{[1
]}

MASSARDIER, J ^{[1
]}

GALLEZOT, P ^{[1
]}

IMELIK, B ^{[1
]}

机构：

[1] INST RECH CATALYSE,CNRS,2 AV ALBERT EINSTEIN,F-69626 VILLEURBANNE,FRANCE

来源：

JOURNAL OF MOLECULAR CATALYSIS | 1984年 / 25卷 / 1-3期

关键词：

DEUTERIUM - Adsorption - HYDROCARBONS - Chemical Reactions - MOLYBDENUM AND ALLOYS - Applications - PLATINUM AND ALLOYS - Applications - ZEOLITES - Applications;

D O I：

10.1016/0304-5102(84)80039-5

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：

Pt-Mo bimetallic catalysts prepared by adsorption and decomposition of Mo(Co)//6 1 nm Pt aggregates supported on Y-zeolite exhibit enhanced hydrogenolysis activity in n-butane conversion. This is due to the participation of Mo atoms in the reaction mechanism. Saturated hydrocarbons are strongly dissociated on the Mo atoms, which accounts for the hydrogenolysis enhancement. On the other hand, benzene hydrogenation proceeds only on the fraction of platinum not covered by Mo atoms; the catalytic activity and the H//2 chemisorption decrease simultaneously, Pt-Mo-Y catalysts exhibit a higher resistance to sulfur poisoning, but the poisoning is irreversible.

引用

页码：151 / 160

页数：10

共 5 条

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[2]

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JOURNAL OF CATALYSIS, 1984, 85 (01) :244-252

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