Apparatus for contaminated oil reclamation

Details Apparatus for contaminated oil reclamation Apparatus for contaminated oil reclamation

1990-05-14

1994-02-15

Dawson, Robert A.

Liquid purification or separation

Diverse distinct separators

Including a filter

208180, 208181, 208182, 210177, 210180, 210181, 210182, 2102571, 210259, 210266, 210295, 210511, 422255, 422285, 422289, B01D 3604, B01D 1709, B01D 102

Patent

active

052863808

ABSTRACT:
A novel process and related apparatus for removing common contaminants from used motor oil. Propane, butane or a 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: 1056800 (1913-03-01), Krause
patent: 1112923 (1914-10-01), Looker
patent: 2196989 (1940-04-01), Henry et al.
patent: 2341429 (1944-02-01), Elsey
patent: 3368682 (1968-02-01), Boots
patent: 3773658 (1973-11-01), Vu et al.
patent: 3870625 (1975-03-01), Wielezynski
patent: 4265734 (1981-05-01), Wielezynski

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