Dual delayed coking of coal liquefaction product

Details Dual delayed coking of coal liquefaction product Dual delayed coking of coal liquefaction product

1978-08-30

1980-08-05

Gantz, Delbert E.

Mineral oils: processes and products

Phenolic or toxic oils

208 10, 208131, C10G 100, C10G 106, C10G 914

Patent

active

042160740

ABSTRACT:
Coal which is liquefied in the presence of a pasting solvent, is separated into an ash free and an ash containing coal liquefaction product. Each of such products is delayed coked in separate zones with the vapors from such zones being introduced into a common combination coker-fractionator to recover ash containing and ash free coking recycle, pasting solvent for the liquefaction and lighter products. The process is particulary applicable to coal liquefaction products produced from high ash containing coals.

REFERENCES:
patent: 3563884 (1971-02-01), Bloomer et al.
patent: 3617515 (1971-11-01), Bloomer
patent: 3856675 (1974-12-01), Sze et al.
patent: 3966585 (1976-06-01), Gray et al.
patent: 4039424 (1977-08-01), Hyde et al.
patent: 4075079 (1978-02-01), Lang
patent: 4101413 (1978-07-01), Jones et al.
patent: 4116815 (1978-09-01), Sunojo et al.

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