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V.S. Arutyunov, O.V. Krylov (1998)
Okislitel'nye prevrashcheniya metana
Doklady Chemistry, Vol. 380, Nos. 4–6, 2001, pp. 301–304. Translated from Doklady Akademii Nauk, Vol. 380, No. 6, 2001, pp. 791–794. Original Russian Text Copyright © 2001 by Dedov, Loktev, Men’shchikov, Kartasheva, Parkhomenko, Moiseev. CHEMICAL TECHNOLOGY Unusual Ceria Promoting Effect on Oxidative Methane Coupling Catalysts A. G. Dedov*, A. S. Loktev*, V. A. Men’shchikov**, M. N. Kartasheva*, K. V. Parkhomenko*, and Academician I. I. Moiseev*** Received August 1, 2001 Catalytic oxidative methane coupling is a promising and the yield of deep oxidation products. Contrary to direct method of converting methane to ethylene [1]. Of these expectations, our experiments showed that addi- the numerous oxidative methane coupling catalysts, the tion of ceria to catalysts to a concentration of 10 wt % most efficient are rare earths [2–4], such as samaria, lan- of the total weight of rare earths caused a synergistic thana, and neodymia, whereas ceria and praseodymia are effect, thereby increasing the efficiency of OCM cata- inefficient in oxidative coupling of methane (OCM) and lysts. catalyze predominantly deep methane oxidation to form The effect produced by ceria addition can be dem- carbon oxides. onstrated by comparing the efficiencies of two catalyst In this study, we, for the first time,
Doklady Chemistry – Springer Journals
Published: Oct 12, 2004
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