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Unusual Ceria Promoting Effect on Oxidative Methane Coupling Catalysts

Unusual Ceria Promoting Effect on Oxidative Methane Coupling Catalysts 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, http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Doklady Chemistry Springer Journals

Unusual Ceria Promoting Effect on Oxidative Methane Coupling Catalysts

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References (1)

Publisher
Springer Journals
Copyright
Copyright © 2001 by MAIK “Nauka/Interperiodica”
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
0012-5008
eISSN
1608-3113
DOI
10.1023/A:1012388309222
Publisher site
See Article on Publisher Site

Abstract

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,

Journal

Doklady ChemistrySpringer Journals

Published: Oct 12, 2004

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