Direct conversion of methane to methanol and formaldehyde over a double-layered catalyst bed in the presence of steam
- 1 January 1996
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- No. 5,p. 663-664
- https://doi.org/10.1039/cc9960000663
Abstract
Using a double-bed reactor configuration with an up-stream 1 mass% SO4 2–/1 mass% SrO/La2O3 catalyst to generate methyl radicals and a down-stream 1 mass% V2O5/SiO2 catalyst to stabilize the methyl radicals for reaction to form hydrolysable methoxide species, the methanol and formaldehyde space–time yields are increased up to five-fold for partial oxidation of methane in the presence of air and steam at moderate temperatures of 550–600 °C as compared with the single-bed 1 mass% V2O5/SiO2 catalyst, while little of these oxygenates are formed over a mechanically mixed catalyst bed.Keywords
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