Kinetics of oxidation of methane to formaldehyde on Na4[PFeMo11O40]/SiO2

Kinetics of oxidation of methane to formaldehyde on Na4[PFeMo11O40]/SiO2 The kinetics of oxidation of CH4 to formaldehyde on the catalytic system Na4[PFeMo11O40]/SiO2 were studied, and a significant role of the redox potential of the CH4-O2 system with respect to the catalyst was shown. The density of centers participating in the reaction was determined, and dissociative competitive adsorption of methane and oxygen was established. The equation was deduced in the framework of the Langmuir-Hinshelwood theory taking into account the side conversion of formaldehyde. Possible participation of lattice oxygen in the reaction was suggested. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Kinetics of oxidation of methane to formaldehyde on Na4[PFeMo11O40]/SiO2

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2008 by Pleiades Publishing, Ltd.
Subject
Chemistry; Industrial Chemistry/Chemical Engineering; Chemistry/Food Science, general
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427208090188
Publisher site
See Article on Publisher Site

Abstract

The kinetics of oxidation of CH4 to formaldehyde on the catalytic system Na4[PFeMo11O40]/SiO2 were studied, and a significant role of the redox potential of the CH4-O2 system with respect to the catalyst was shown. The density of centers participating in the reaction was determined, and dissociative competitive adsorption of methane and oxygen was established. The equation was deduced in the framework of the Langmuir-Hinshelwood theory taking into account the side conversion of formaldehyde. Possible participation of lattice oxygen in the reaction was suggested.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Feb 17, 2009

References

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