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Copper- and vanadium-catalyzed methane oxidation into oxygenates with in situ generated H2O2 over Pd/C
- Source :
-
Applied Catalysis A: General . Jul2003, Vol. 247 Issue 2, p269. 13p. - Publication Year :
- 2003
-
Abstract
- Copper- and vanadium-catalyzed oxidation of methane into methyl trifluoroacetate and formic acid with in situ generated H2O2 from H2 and O2 over Pd/C was investigated in trifluoroacetic acid (TFA) and/or trifluoroacetic anhydride (TFAA) as a solvent. Metallic palladium was responsible for the in situ generation of hydrogen peroxide from dihydrogen and dioxygen. Divalent copper hydroperoxide and monoperoxomonovanadate, VO(O2)+, seemed to be related to C&z.sbnd;H bond activation. The radical chain reaction did not occur in either copper- or vanadium-catalyzed methane oxidation. However, methyl radical appeared to be produced in vanadium system but not in copper system. [Copyright &y& Elsevier]
- Subjects :
- *METHANE
*FORMIC acid
*HYDROGEN peroxide
Subjects
Details
- Language :
- English
- ISSN :
- 0926860X
- Volume :
- 247
- Issue :
- 2
- Database :
- Academic Search Index
- Journal :
- Applied Catalysis A: General
- Publication Type :
- Academic Journal
- Accession number :
- 10321566
- Full Text :
- https://doi.org/10.1016/S0926-860X(03)00125-X