Manufacture of pellets from coal liquefaction products

Details Manufacture of pellets from coal liquefaction products Manufacture of pellets from coal liquefaction products

1977-12-15

1979-02-06

Dees, Carl

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 23, 44 24, 201 5, 208 8, C10L 500, C10L 516, C10G 100

Patent

active

041382234

ABSTRACT:
The effluent slurry product from a coal liquefaction reactor is split into two streams. The first stream is subjected to vacuum distillation to produce a vacuum bottoms. The second stream is mixed with particulate char to form a solids-enriched slurry feedstock to a low temperature carbonization plant. The char made in this plant, plus the vacuum bottoms from the first stream, forms a pelletizable composition which serves as a feedstock to a pelletizing plant. By virtue of the foregoing procedure, a reduction of the order of 30 percent in size of the pelletizing plant is effected, as compared to sending to the pelletizing plant all the vacuum bottoms obtainable from the entire coal liquefaction effluent slurry product; yet about the same total weight of pellets is made.

REFERENCES:
patent: 1793014 (1931-02-01), Rodgers
patent: 2736690 (1956-02-01), Mattox et al.
patent: 3562783 (1971-02-01), Gorin
patent: 3748254 (1973-07-01), Gorin
patent: 3920418 (1975-11-01), Rice
patent: 4008054 (1977-02-01), Gorin et al.
patent: 4030982 (1977-06-01), Gorin et al.

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