Accession Number : ADD005751

Title :   Method of Removing Deposits on Refrigeration System Surfaces.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C

Personal Author(s) : Eaton,Harold G ; Venezky,David L

Report Date : 07 Nov 1978

Pagination or Media Count : 3

Abstract : A polymeric residue with one or more metals, salts, and oxides mixed therein, deposited on refrigeration system surfaces by a circulating halogenated hydrocarbon refrigerant, is removed from a surface by contacting the residue with a saturated aqueous solution or slurry with a pH from 2 to 4 of ethylenediaminetetraacetic acid at temperatures from 30 C to 100 C. (Author)

Descriptors :   *Patents, *Cleaning compounds, *Chemical cleaning, Acetic acid, Ethylenediamine, pH factor, Refrigeration systems, Residues, Refrigerants, Deposits, Polymers

Subject Categories : Organic Chemistry
      Air Condition, Heating, Lighting & Ventilating

Distribution Statement : APPROVED FOR PUBLIC RELEASE