Carbon Monoxide Hydrogenation over Zirconia Supported Ni and Co-Ni Bimetallic Catalysts

被引：0
|
作者：
Paresh C. Das
Naraan C. Pradhan
Ajay K. Dalai
Narendra N. Bakshi
机构：
[1] Department of Chemical Engineering,Catalysis and Chemical Reaction Engineering Laboratories
[2] University of Askatchewan,Department of Chemical Engineering
[3] Indian Institute of Technology,undefined
[4] Kharagpur,undefined
来源：
Catalysis Letters | 2004年 / 98卷
关键词：
Fisher-Tropsch synthesis; CO hydrogenation; bimetallic catalyst; nickel; cobalt; zirconia support;
D O I：
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中图分类号：
学科分类号：
摘要：
Zirconia supported nickel and cobalt-nickel bimetallic catalysts were prepared and characterized for various physico-chemical properties. The hydrogenation of carbon monoxide was studied over these catalysts in the pressure range of 101.3–1654kPa, temperature range of 513–533K, weight hourly space velocity range of 8–14h−1 and H2/CO mole ratio of 2. Catalysts containing both Co and Ni were found to give higher C5+ hydrocarbons selectivity compared to that containing only Ni. A maximum C5+ hydrocarbons selectivity of 55wt% was obtained at 655kPa pressure, 523K and 9.6h−1 of WHSV with catalyst containing 4.03wt% Co and 2.64wt% Ni. The C2 and C3 olefin contents of the products decreased with increase in pressure. Improved deactivation behavior of the catalysts was observed when operated at high pressure.
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页码：153 / 160
页数：7
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