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US5336395A Liquefaction of coal with aqueous carbon monoxide pretreatment 失效
煤与一氧化碳预处理液化

Liquefaction of coal with aqueous carbon monoxide pretreatment
Abstract:
This invention is directed to a staged process for producing liquids from coal or similar carbonaceous feeds combining a pretreatment stage and a liquefaction stage. In the process, the feed is reacted with carbon monoxide and water at an elevated temperature and pressure. The so pretreated coal is sent to a liquefaction reactor, wherein the coal is reacted at a somewhat higher temperature in the presence of hydrogen and catalyst to produce valuable liquid fuels or feedstocks.
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