Dehydrogenation of propane on modified Pt/θ-alumina Performance in hydrogen and steam environment

被引:64
作者
Kogan, SB [1 ]
Schramm, H [1 ]
Herskowitz, M [1 ]
机构
[1] Ben Gurion Univ Negev, Dept Chem Engn, Blechner Ctr Ind Catalysis & Proc Dev, IL-84105 Beer Sheva, Israel
关键词
dehydrogenation; propane; platinum catalysts;
D O I
10.1016/S0926-860X(00)00703-1
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
Dehydrogenation of propane was carried out on several promoted Pt catalysts. The performance of the catalysts (activity, selectivity and coke formation) was compared in steam and hydrogen environment. Promoting Pt supported on theta -alumina with Sn and K is essential for developing high-performance catalysts. The combination of optimal catalyst composition and steam yields high activity and selectivity at low coke formation. Inferior results were measured with hydrogen as diluent. Characterization of catalysts using XPS, TEM and chemisorption methods supported the results of reaction data. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:185 / 191
页数:7
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