| 摘要 |
Fuel liquids and gases from a hydrocarbonaceous material such as coal may be produced by contacting the material with an iron group metal silicide, preferably cobalt and/or iron silicide. Also, an iron group metal silicate, preferably cobalt and/or iron silicate, provides a solid source of additional oxygen in the combustion of a carbonaceous fuel with oxygen. Carbon-coated sand, such as that produced in coal conversion utilizing an iron group metal silicide sand, is utilized in reduction of oxidic iron ores.
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