PURIFICATION OF WASTE OIL OF FLON SYNTHETIC LUBRICANT

Title:

PURIFICATION OF WASTE OIL OF FLON SYNTHETIC LUBRICANT

Document Type and Number:

Japanese Patent JPS5966494

Kind Code:

A

Abstract:

PURPOSE: To recover oil components free from impurities such as deteriorated substances, sludge, admixtures, etc. at all, by purifying coarsely a waste oil of flon synthetic lubricant, extracting it with petroleum ether.

CONSTITUTION: Impurities are separated and removed from a waste oil of flon synthetic lubricant by centrifugation, column treatment, etc., 10pts.vol. oil components are stirred with ≥2pts.vol. petroleum ether, allowed to stand, and separated into a petroleum ether oil phase and a liquid phase. The prepared colorless transparent liquid phase is evaporated under reduced pressure so that the volatile petroleum ether is removed, to give the desired purified oil.

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Inventors:

YUGAWA HARUO
FUJIKAWA YOSHIO
KOGANE TAMIZOU

Application Number:

JP17636882A

Publication Date:

April 14, 1984

Filing Date:

October 08, 1982

Export Citation:

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Assignee:

KANAGAWA PREFECTURE

International Classes:

C10G21/14; C10G31/10; C10G53/04; C10M105/50; C10M175/00; C10N40/02; C10N40/04; C10N40/30; (IPC1-7): C10M3/00; C10M11/00

Attorney, Agent or Firm:

Sasaki Isao

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