Method for separating undissolved solids from a coal liquefactio

Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow

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208 8, C10G 106, B01D 2100

Patent

active

040790045

ABSTRACT:
Production of a low mineral content fuel from a coal liquefaction product utilizing a hydrogenated coal oil solvent and a light aromatic solvent in combination to remove suspended mineral solids.

REFERENCES:
patent: 2476999 (1949-07-01), Orchin
patent: 3505203 (1970-04-01), Nelson
patent: 3598718 (1971-08-01), Gleim et al.
patent: 3607716 (1971-09-01), Roach
patent: 3607718 (1971-09-01), Leaders et al.
patent: 3997425 (1976-12-01), Latsis et al.

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