Accession Number : ADD012613

Title :   Vacuum Pump Oil Recovery Process.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON DC

Personal Author(s) : Watkins,Lawrence J

Report Date : 07 Oct 1986

Pagination or Media Count : 6

Abstract : This patent discloses a novel treatment method for recovering halogenated vacuum pump oils such as chlorotrifluoroethylene, from contaminated filter papers. The process utilizes a trichlorotrifluoroethane (TCTFE) solvent and water mixture to extract the oil followed by vacuum distilling the resulting extractive. Keywords: Chemical contamination; Vacuum distillation; Purity.

Descriptors :   *PATENTS, *VACUUM DISTILLATION, *PURIFICATION, *VACUUM PUMPS, *OILS, CHEMICAL CONTAMINATION, CONTAMINATION, FILTER PAPER, CHLORINE TRIFLUORIDE, ETHYLENES, PURITY, SOLVENTS, RECOVERY, WATER, MIXTURES, EXTRACTION, HALOGENATION

Subject Categories : Lubricants and Hydraulic Fluids
      Pumps, Filters, Pipes, Tubing, Fittings & Vlvs

Distribution Statement : APPROVED FOR PUBLIC RELEASE