Method and apparatus for cleaning absorbent materials

Details Method and apparatus for cleaning absorbent materials Method and apparatus for cleaning absorbent materials

1998-05-01

1999-06-29

Stinson, Frankie L.

Bleaching and dyeing; fluid treatment and chemical modification

Fluid treatment

Manipulation of liquid

68 18C, 68 18R, D06B 900

Patent

active

059163364

ABSTRACT:
A method and system for removing a lubricant from an absorbent material. The method comprises placing the lubricant-contaminated material in a dry cleaner and centrifuging the material to remove and subsequently recover a first quantity of lubricant, dry cleaning the material, separating and recovering a second quantity of lubricant from the dry cleaning fluid, and recycling the dry cleaning fluid. The present invention maximizes the recovery of lubricant and effectively recycles the dry cleaning fluid, which in turn minimizes both the cost and environmental impact of cleaning absorbent materials.

REFERENCES:
patent: 3566892 (1971-03-01), Logue et al.
patent: 3595037 (1971-07-01), Pompei
patent: 3600911 (1971-08-01), McLagan
patent: 4314856 (1982-02-01), Steimel
patent: 5172572 (1992-12-01), Ono
patent: 5222267 (1993-06-01), Fierro
patent: 5244566 (1993-09-01), Bond
patent: 5250197 (1993-10-01), Marcel
patent: 5309587 (1994-05-01), Fierro
WO 91/07537 68/12/02, May 1991.

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