Coal treating process

Details Coal treating process Coal treating process

1981-02-26

1983-05-31

Gantz, Delbert E.

Mineral oils: processes and products

Phenolic or toxic oils

208131, C10G 100, C10G 914

Patent

active

043859801

ABSTRACT:
Pulverized coal is slurried with hydrogen donor solvent at atmospheric pressure and fed directly into a coker furnace and coking drum. Overhead products from the coking drum are fractionated, and a portion thereof is hydrogenated and used as donor solvent. Coke is calcined in a vertical shaft calciner, and calcined coke is contacted with steam in the calciner to produce hydrogen. The hydrogen is used to hydrogenate the donor solvent.

REFERENCES:
patent: 1972944 (1934-09-01), Morrell
patent: 3803023 (1974-04-01), Hamner
patent: 3956101 (1976-05-01), Hara et al.
patent: 3960701 (1976-06-01), Schroeder
patent: 4119525 (1978-10-01), Gray et al.
patent: 4210517 (1980-07-01), Marakami et al.
patent: 4216074 (1980-08-01), Simone
patent: 4292165 (1981-09-01), Sooter

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