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HERO ID
6085185
Reference Type
Journal Article
Title
HYDROGENATION OF CO2 ON GROUP-VIII METALS .4. SPECIFIC ACTIVITIES AND SELECTIVITIES OF SILICA-SUPPORTED CO, FE, AND RU
Author(s)
Weatherbee, GD; Bartholomew, CH
Year
1984
Is Peer Reviewed?
Yes
Journal
Journal of Catalysis
ISSN:
0021-9517
EISSN:
1090-2694
Volume
87
Issue
2
Page Numbers
352-362
DOI
10.1016/0021-9517(84)90196-9
Web of Science Id
WOS:A1984SU47800008
URL
http://www.sciencedirect.com/science/article/pii/0021951784901969
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Abstract
Specific intrinsic rates and product distributions for CO2 hydrogenation on Co/SiO2, Fe/SiO2, and Ru/SiO2 were determined at 450–650 K, 140–1030 kPa, and a range of space velocities. Specific activities in the form of turnover frequencies for CO2 hydrogenation decrease in the order Co/SiO2, Ru/SiO2, Ni/SiO2, Fe/SiO2. The order of decreasing selectivity for methane is Ru/SiO2, Co/SiO2, Ni/SiO2, Fe/SiO2. High levels of CO are produced in CO2 hydrogenation on Fe/SiO2, Co/SiO2, and Ni/SiO2 while significant fractions of C2+ hydrocarbons (about 1 order of magnitude lower than typical methane fractions) are produced on Fe/SiO2 and Co/SiO2 catalysts.
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