Isotopic labelling studies of the mechanism of the catalytic oxidative coupling of methane

Peter F. Nelson, Eric M. Kennedy, Noel W. Cant

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

The conversion and selectivities of methane-, ethane- and ethylene-oxygen mixtures have been determined for a Li/MgO catalyst at temperatures of 600–750°C. Kinetic isotope effects and H/D distributions have also been determined from studies using D labelling of ethane as C2D6 and CH3CD3. The importance of CH3O2 as a source of low temperature COx from CH4 is demonstrated; by contrast the low thermal stability of C2H5O2, and the preferred reaction channel (to C2H4+HO2) make conversion of C2H6 to C2H4 highly selective.

Original languageEnglish
Pages (from-to)89-95
Number of pages7
JournalStudies in Surface Science and Catalysis
Volume61
DOIs
Publication statusPublished - 1 Jan 1991

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