Regeneration of phosphate ester lubricating fluids

Details Regeneration of phosphate ester lubricating fluids Regeneration of phosphate ester lubricating fluids

1995-04-14

1997-08-26

Howard, Jacqueline V.

Solid anti-friction devices, materials therefor, lubricant or se

Lubricants or separants for moving solid surfaces and...

Organic phosphorus compound, wherein the phosphorus is...

58150, 75710, C10M13704

Patent

active

056611170

ABSTRACT:
A method of removing contaminated phosphate ester materials is provided. The method involves the use of an anionic resin and a polymeric sorbent. The contaminated phosphate ester material is passed into contact with the anionic resin and optionally the sorbent. The method is particularly useful since it removes substantially all of the contaminants, generally metal material and acids, from the phosphate ester such that the phosphate ester can be reused for further applications.

REFERENCES:
patent: 3708508 (1973-01-01), Schultz
patent: 4092378 (1978-05-01), Damiani
patent: 4205023 (1980-05-01), Anzenberger
patent: 4264534 (1981-04-01), Anzenberger
patent: 4302335 (1981-11-01), Habermas
patent: 4741857 (1988-05-01), Horwitz et al.
patent: 5364452 (1994-11-01), Cupertino et al.
patent: 5464551 (1995-11-01), Deetman

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