Abstract
The development of an integrated two stage liquefaction process was traced. Initial studies involved conversion of a solvent refined coal (SRC) extract in an L.C. Fining® expanded bed catalytic hydrotreater representing the second stage of a two stage process. Favorable results prompted construction of an integrated unit which incorporated a short contact time coal extraction unit, a solvent deashing unit and an L.C. Finer second stage. High yields of high quality distillate (51.7 weight percent MF coal) with reduced hydrogen consumption (4.32 weight percent) were demonstrated under steady state conditions over extended run periods.
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