Activation Energies of the Formation of Methane and Carbon Dioxide over Cobalt Fischer–Tropsch Catalysts Supported on Carbon Nanotubes

The effective activation energies of CO methanation and water gas shift reactions in the Fischer–Tropsch process in the presence of cobalt catalysts supported on oxidized and unoxidized carbon nanotubes have been determined. It has been found that the energy of CO methanation does not depend on the...

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Bibliographic Details
Published in:Petroleum chemistry 2019-04, Vol.59 (4), p.380-384
Main Authors: Chernyak, S. A., Burtsev, A. A., Savilov, S. V., Lunin, V. V.
Format: Article
Language:English
Subjects:
Activation energy
Carbon
Carbon dioxide
Carbon monoxide
Carbon nanotubes
Catalysis
Catalysts
Chemistry
Chemistry and Materials Science
Cobalt
Fischer-Tropsch process
Industrial Chemistry/Chemical Engineering
Methanation
Methane
Nanotubes
Oxidation
Shift reaction
Water gas
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Summary:The effective activation energies of CO methanation and water gas shift reactions in the Fischer–Tropsch process in the presence of cobalt catalysts supported on oxidized and unoxidized carbon nanotubes have been determined. It has been found that the energy of CO methanation does not depend on the oxidation degree of the support and varies in a narrow range from 135 to 153 kJ/mol, while the values of this parameter for the water gas shift reaction increase in the case of the oxidized support from 40 to 201 kJ/mol due to the change in the mechanism of the process.
ISSN:0965-5441
1555-6239
DOI:10.1134/S0965544119040030