| 摘要 |
A process for dissolving sub-bituminous coal by heating said coal in the presence of a hydrogen donor oil, gaseous carbon monoxide, water, hydrogen, and an iron compound promoted with an alkali or alkali precursor at a temperature of from about 400 DEG to about 425 DEG C. and at a total pressure of from about 2000 to about 5000 psig.
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