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The combustion of methane on platinum—alumina fibre catalysts—I: Kinetics and mechanism by David L. Trimm; Chi-Wai Lam is a Engineering article available to read on EtoBox.

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As a part of a study of a convectwe-drffuswe type catalytic combustor, the oxldatlon of methane has been studed over platmum supported on porous and non-porous alumma fibre New and used catalysts have been carefully characterlsed, and the kmetlcs of the reaction have been measured at temperatures above and below 815 K, where a change m the apparent actwation energy was found to occur Companson mth Langmuir-Hmshelwood models suggests that the mechanism mvolves the reactlon between adsorbed methane and oxygen adsorbed or m the gas phase This mechamsm IS supported by the charactensation studies, which also suggest that the formatlon of carbonaceous mtermedlates may affect the reaction sclectlvlty Permanent catalyst deactivation occurs as a result of the smtermg of platmum or of alumma, the latter e&t IS accelerated I; the presence of steam

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Author

David L. Trimm; Chi-Wai Lam

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0009-2509)

Published

1980

Language

EN

Field

Engineering (Physical Sciences)