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Lattice oxygen of La1−xSrxMO3 (M = Mn, Ni) and LaMnO3−αFβ perovskite oxides for the partial oxidation of methane to synthesis gas

Paper ID Volume ID Publish Year Pages File Format Full-Text
51793 46854 2008 6 PDF Available
Title
Lattice oxygen of La1−xSrxMO3 (M = Mn, Ni) and LaMnO3−αFβ perovskite oxides for the partial oxidation of methane to synthesis gas
Abstract

The partial oxidation of methane to synthesis gas by using the lattice oxygen of La1−xSrxMO3 (M = Mn, Ni; x = 0–0.4) and LaMnO3−αFβ (β/(3 − α) = 0.1) perovskite oxides was explored. Approximately 75% CO selectivity at 16% CH4 conversion with H2/CO molar ratio of ca. 2.5 can be achieved at 800 °C. The stability of the perovskite structure and the reactivity/selectivity of lattice oxygen are found to be dependent on (i) B-site element, (ii) degree of substitution of La with Sr, and (iii) fluorination of the perovskite oxide.

Keywords
Methane; Partial oxidation; Synthesis gas; Lattice oxygen; Perovskite oxide
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Lattice oxygen of La1−xSrxMO3 (M = Mn, Ni) and LaMnO3−αFβ perovskite oxides for the partial oxidation of methane to synthesis gas
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 9, Issue 15, 20 September 2008, Pages 2509–2514
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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