Mass-Spectrometric Measurements of Enhanced Methanation Activity Over Cobalt and Nickel Foils.
IRT CORP SAN DIEGO CALIF
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The kinetics of methane synthesis from H2CO mixtures has been studied over Ni, Co, and Fe foils. The gas composition of a flowing reaction cell was analyzed using a differentially pumped, modulated mass-spectrometer. Ni and Co foils that have been previously oxidized, and then reduced in H2 at 525-600 K show a surprisingly high and specific catalytic activity for methane formation. No unusual activity was observed over iron for any of the surface treatments tried here. Evidence is also presented to support a mechanism for this highly specific reaction involving a labile surface carbon atom intermediate. Author
- Organic Chemistry
- Atomic and Molecular Physics and Spectroscopy