Method and apparatus for clarifying used lubricating oil

Details Method and apparatus for clarifying used lubricating oil Method and apparatus for clarifying used lubricating oil

1989-06-12

1990-08-14

Woodard, Joye L.

Mineral oils: processes and products

Refining

Purifying used oil

196 46, 196119, 196121, 208180, C10G 2900

Patent

active

049484931

ABSTRACT:
A tank is suspended in an enclosure and defines therebetween a chamber completely surrounding the tank. A fluid or air within the chamber is heated to create a thermal blanket and an oven-like condition completely around the tank to maintain the tank and used oil and coagulant within the tank at a substantially constant temperature for an extended period of time for settling of contaminants towards the bottom of the tank. Clean oil remaining at the top of the tank is removed for reuse. The invention is particularly useful for heavy users of lubricating oil such as railroads or shipping companies.

REFERENCES:
patent: 1283916 (1918-11-01), Rogers
patent: 1640415 (1927-08-01), Langston
patent: 1771684 (1930-07-01), Miller
patent: 1985663 (1934-12-01), Lowery
patent: 2012695 (1935-08-01), Shillaber
patent: 2202657 (1940-05-01), Holt
patent: 2290461 (1942-07-01), Young
patent: 2319598 (1943-05-01), Harris
patent: 2496888 (1950-02-01), Palmer
patent: 2603588 (1952-07-01), Vaughan et al.
patent: 2858843 (1958-11-01), Muller
patent: 3351083 (1967-11-01), Sait

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