| 摘要 |
A catalyst material produced is for use in producing a substitute natural gas from a source gas containing at least one of carbon dioxide and carbon monoxide, and a reducing gas. The catalyst material contains rhodium and palladium carried on a metal oxide carrier. In producing the substitute natural gas, the source gas containing at least one of carbon dioxide and carbon monoxide, and a reducing gas carried on the metal oxide carrier, are heated under the presence of the catalyst containing rhodium and palladium carried on the metal oxide carrier. It is possible to produce the substitute natural gas highly efficiently at a low temperature not only from carbon monoxide but also from carbon dioxide contained in the source gas.
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