Coal liquefaction is the process of producing liquid fuels from coal. Coal liquifaction is a means of addressing the many energy applications that are suited for consuming liquids. The technology entails heating coal, often with various reagents such as hydrogen, which produces a liquid. The technologies can be controversial since they often generate large volumes of waste. The economic attractiveness of coal liquifaction is coupled to the price of petroleum. Related, competing technologies include coal gasification.
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Famous quotes containing the word coal:
“The discovery of Pennsylvania’s coal and iron was the deathblow to Allaire. The works were moved to Pennsylvania so hurriedly that for years pianos and the larger pieces of furniture stood in the deserted houses.”
—For the State of New Jersey, U.S. public relief program (1935-1943)