Mineral oils: processes and products – Refining – Metal contaminant removal
Patent
1975-09-05
1977-03-15
Gantz, Delbert E.
Mineral oils: processes and products
Refining
Metal contaminant removal
208 8, 210 84, C10G 3110
Patent
active
040123146
ABSTRACT:
Methods of treating an oil derived by liquefaction of coal particles to separate unreacted solid matter therefrom and collect it in water or other aqueous medium, which comprise controlling the specific gravity of the oil to provide an oleaginous fluid having a substantially lower specific gravity than the aqueous medium, as by mixing the oil with a liquid that is miscible therewith and has a lower specific gravity, or by controlling the temperature of the oil, or both; contacting the fluid with the aqueous medium; moving the fluid in such a manner as to provide a substantial acceleration thereto in a direction to drive most of the solid matter away from the fluid and into the aqueous medium as by moving the fluid in a swirling path around an axis while maintaining a portion of the aqueous medium around at least a portion of the periphery of the path; and separating the aqueous medium with the solid matter contained therein from the fluid.
Typically a layer of the aqueous medium is formed with a layer of the fluid contiguous thereto, and the fluid layer is accelerated (as by centrifuging) to generate a force which acts to drive the particles from the fluid layer toward the aqueous layer; or the layers may be formed by injecting the fluid and the aqueous medium through separate, adjacent passageways into a cyclone separator whereby the layers are accelerated.
REFERENCES:
patent: 2215190 (1940-09-01), Pier et al.
patent: 2476999 (1949-07-01), Orchin
patent: 2605272 (1952-07-01), Hunn et al.
patent: 2728714 (1955-12-01), Winkler et al.
patent: 3240566 (1966-03-01), Bullough et al.
patent: 3779895 (1973-12-01), Wilson et al.
Faulkner Bobby P.
Goldberger William M.
Battelle (Memorial Institute)
Dunson Philip N.
Gantz Delbert E.
Hellwege James W.
Peterson C. Henry
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