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