Coal liquefaction process employing extraneous minerals

Details Coal liquefaction process employing extraneous minerals Coal liquefaction process employing extraneous minerals

1978-12-15

1980-09-16

Gantz, Delbert E.

Mineral oils: processes and products

Phenolic or toxic oils

208 10, C10G 100, C10G 108

Patent

active

042228484

ABSTRACT:
In a coal liquefaction process which includes a recycle of a product slurry which contain recycle mineral residue and recycle of extraneous catalytic material to said liquefication zone, hydrocracking of the hydrocarbonaceous material from the mineral residue occurs and a mixture of hydrocarbon gases, dissolved liquid, normally solid dissolved coal, suspended mineral residue and suspended extraneous catalytic mineral results. A first portion of said residue slurry is recycled to the liquefication zone, a second portion is passed to separation means and the third portion goes to a hydroclone. Overflow from the hydroclone goes to the liquefaction zone to reduce the median diameter of the particles recycled.

REFERENCES:
patent: 3540995 (1970-11-01), Wolk et al.
patent: 3884796 (1975-05-01), Hinderliter et al.
patent: 3962070 (1976-06-01), Stotler
patent: 4090943 (1978-05-01), Moll et al.
patent: 4102775 (1978-07-01), Quarderer et al.
Solvent Refined Coal (SRC) Process Monthly Report of Mar. 1978, Pub. Apr. 1978, The Pittsburg & Midway Coal Mining Co., Merrian, Kansas 66202.
Solvent Refined Coal (SRC) Process Monthly Report for Feb. 1978, Pub. Mar. 1978, The Pittsburg & Midway Coal Mining Co., Merrian, Kansas 66202.
H-Coal Pilot Plant Program, vol. 2, 1975, pp. 15-19, Stotler, Hydrocarbon Research, Inc., New York, N.Y.
SRC Quarterly Report No. 1, Analysis of Operations Runs 62-70. 1 Jan.-31 Mar. 1976, Electric Power Research Institute, Wilsonville, Okla.

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