Mineral oils: processes and products – Phenolic or toxic oils
Patent
1981-03-04
1982-12-21
Gantz, Delbert E.
Mineral oils: processes and products
Phenolic or toxic oils
208 10, C10G 100, C10G 106
Patent
active
043648177
ABSTRACT:
The relative ratio of heavy distillate to light distillate produced in a coal liquefaction process is continuously controlled by automatically and continuously controlling the ratio of heavy distillate to light distillate in a liquid solvent used to form the feed slurry to the coal liquefaction zone, and varying the weight ratio of heavy distillate to light distillate in the liquid solvent inversely with respect to the desired weight ratio of heavy distillate to light distillate in the distillate fuel oil product. The concentration of light distillate and heavy distillate in the liquid solvent is controlled by recycling predetermined amounts of light distillate and heavy distillate for admixture with feed coal to the process in accordance with the foregoing relationships.
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Anderson Raymond P.
Schmalzer David K.
Wright Charles H.
Gantz Delbert E.
Keith Deane E.
Ring Alvin E.
Stine Forrest D.
The Pittsburg & Midway Coal Mining Co.
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