Dynamics of catalytic methane coupling
Journal Article
·
· Industrial and Engineering Chemistry Research
- Univ. of Waterloo, Ontario (Canada). Dept. of Chemical Engineering
Transient experiments at 750 C and 1 atm with methane and O{sub 2} over Li{sub 2}O/MgO and CeO/Li{sub 2}O/MgO catalysts demonstrate that coupling can occur in the absence of gas-phase oxygen. Cerium oxides increase the amount of oxygen available for the reaction. CO{sub 2} also forms from oxygen associated with the catalyst and appears to react on the surface to produce a carbonate. Oxygen in the gas phase is needed to decompose this carbonate at 750 C. Adsorbed oxygen leads mainly to methane combustion, while most of the oxygen from the catalyst structure results in C{sub 2} products.
- Sponsoring Organization:
- Natural Sciences and Engineering Research Council of Canada, Ottawa, ON (Canada)
- OSTI ID:
- 536408
- Journal Information:
- Industrial and Engineering Chemistry Research, Journal Name: Industrial and Engineering Chemistry Research Journal Issue: 8 Vol. 36; ISSN IECRED; ISSN 0888-5885
- Country of Publication:
- United States
- Language:
- English
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