Reclamation of coking wastes

Details Reclamation of coking wastes Reclamation of coking wastes

1980-01-10

1981-04-28

Castel, Benoit

Liquid purification or separation

Processes

Separating

210800, 208 13, 208 45, C10G 106

Patent

active

042644534

ABSTRACT:
Waste products derived from coking coal, such as coal tar decanter wastes and wash oil muck, are processed to recover an oil fraction and a granular coke breeze residue. The wastes are mixed with a diluent oil, preferably having a saponification number of about 100 or more, are subjected to agitation and mixing and are thereafter filtered to produce a granular, coke breeze cake and a filtrate comprising water and oil which separate easily by decantation.

REFERENCES:
patent: 3692668 (1972-09-01), McCoy et al.
patent: 3696021 (1972-10-01), Cole et al.
patent: 3856668 (1974-12-01), Shubert
patent: 3992281 (1976-11-01), Benade
patent: 4014780 (1977-03-01), McCoy
patent: 4124485 (1978-11-01), Carr et al.

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