A study of the kinetics of the oxidative coupling of methane over a Li/Sn/MgO catalyst

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Korf, S.J. and Roos, J.A. and Vreeman, J.A. and Derksen, J.W.H.C. and Ommen van, J.G. and Ross, J.R.H. (1990) A study of the kinetics of the oxidative coupling of methane over a Li/Sn/MgO catalyst. Catalysis Today, 6 (4). pp. 417-426. ISSN 0920-5861

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Abstract:The rate of reaction of methane with oxygen in the presence of a Li/Sn/MgO catalyst has been studied as a function of the partial pressures of CH4, O2 and CO2 using a well-mixed reaction system which is practically gradientless with respect to gas-phase concentrations. It is concluded that the rate-determining step involves reaction of a molecule of CH4 adsorbed on the catalyst surface with an adsorbed di-atomic oxygen species. The kinetics are consistent with a Langmuir-Hinshelwood type mechanism involving competitive adsorption of CH4, O2 and CO2 on a single site. A comparison is made with previously published results for the Li/MgO material.
Item Type:Article
Copyright:© 1990 Elsevier
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Link to this item:http://purl.utwente.nl/publications/72849
Official URL:http://dx.doi.org/10.1016/0920-5861(90)85035-M
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