Waste-oil cleaning method and apparatus

Details Waste-oil cleaning method and apparatus Waste-oil cleaning method and apparatus

1996-08-08

1997-10-14

Reifsnyder, David A.

Liquid purification or separation

Processes

Using magnetic force

210781, 210787, 210804, 210805, 210806, B01D 3506, B01D 2126, B01D 3700

Patent

active

056768400

ABSTRACT:
A waste-oil cleaning method includes filling a processing tank with waste oil, allowing non-oil liquids in the waste-oil to settle to the base of the tank, then withdrawing the settled non-oil liquids from the base of the tank. After these non-oil liquids are withdrawn, the remaining partially cleaned oil is cleaned by pumping oil out of the tank and passing the oil sequentially through a mesh filter and a centrifuge.

REFERENCES:
patent: 3933638 (1976-01-01), Isley
patent: 3954611 (1976-05-01), Reedy
patent: 4501671 (1985-02-01), Bazell
patent: 5059332 (1991-10-01), Satoh
patent: 5158677 (1927-10-01), Hewitt et al.
patent: 5413716 (1995-05-01), Osborne

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