Process for contaminated oil reclamation

Details Process for contaminated oil reclamation Process for contaminated oil reclamation

1994-02-15

1996-09-17

Kim, John

Liquid purification or separation

Processes

Separating

208179, 208180, 208181, 208182, 210688, 210728, 210729, 210737, 210767, 210774, 210800, 210807, B01D 3600, B01D 1709, B01D 102

Patent

active

055565484

ABSTRACT:
A novel process and related apparatus for removing common contaminants from used motor oil. Propane, butane or similar solvent is mixed with the contaminated oil to form a solution. This solution is agitated and then given time to settle thus allowing gravitational separation of asphaltic pollutants. The solution is then percolated through a columned filter to remove heavy metallic contaminants and the solvent recovered by heating the solution.

REFERENCES:
patent: 2070626 (1937-02-01), Shoemaker
patent: 2196989 (1940-04-01), Henry et al.
patent: 3870625 (1975-03-01), Wielezynski
patent: 4169044 (1979-09-01), Crowley
patent: 4265734 (1981-05-01), Wielezynski
patent: 4512878 (1985-04-01), Reid et al.
patent: 4977871 (1990-12-01), Brownawell et al.

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