Coal processing system for reducing the amount of insoluble coal

Details Coal processing system for reducing the amount of insoluble coal Coal processing system for reducing the amount of insoluble coal

1976-06-01

1978-01-24

Levine, Herbert

Mineral oils: processes and products

Phenolic or toxic oils

C10G 104

Patent

active

040702677

ABSTRACT:
An improved system for processing coal wherein a feed mixture (comprising a dissolving solvent, insoluble coal products and soluble coal products) is separated in a first separation zone, provided with a coalescing section, into a first heavy fraction and a first light fraction (comprising soluble coal products, the dissolving solvent and some insoluble coal products), and a portion of the insoluble coal products is separated from the first light fraction by contacting at least the first light fraction with the coalescing section. Such contacting reduces the amount of insoluble coal products in the first light fraction withdrawn from the first separation zone.

REFERENCES:
patent: 3018241 (1962-01-01), Gorin
patent: 3607717 (1971-09-01), Roach
patent: 3791956 (1974-02-01), Gorin et al.
patent: 3852183 (1974-12-01), Snell

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