Record Display for the EPA National Library Catalog


OLS Field Name OLS Field Data
Main Title Ultrathin membranes for treating metal finishing effluents by reverse osmosis /
Author Rozelle, L. T.
CORP Author North Star Research and Development Institute (Minneapolis, Minn.)
Publisher U.S. Government Printing Office,
Year Published 1972
Report Number EPA12010-DRH-11/71; EPA 620-R-71-025
OCLC Number 00314945
Subjects Metals--Finishing--Waste disposal. ; Sewage--Purification--Reverse osmosis process.
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
EJBD ARCHIVE EPA 620-R-71-025 Headquarters Library/Washington,DC 05/04/2011 STATUS
EJBD  EPA 620-R-71-025 c.1-2 Headquarters Library/Washington,DC 03/28/2014
EKAD  12010 DRH 11/71 Region 4 Library/Atlanta,GA 08/16/2002 DISPERSAL
EKAD  TD899.M45N67 Region 4 Library/Atlanta,GA 08/16/2002 DISPERSAL
ELDM  TD899.M45N67 NHEERL/MED Library/Duluth,MN 09/02/1994
Collation ix, 92 pages : illustrations ; 28 cm.
"12010 DRH 11/71." Prepared for the Environmental Protection Agency. Includes bibliographical references.
Contents Notes
Seventeen different reverse osmosis membranes were evaluated as to their ability to separate heavy metal ions, acids, bases, and cyanides from metal finishing wastewaters. Although no one membrane was found to be effective for all effluents, membranes of 5 different polymers showed considerable promise. Simulated acidic nickel, iron, zinc, and copper plating bath rinses were effectively treated by ultrathin membranes of cellulose acetate, cellulose methyl sulfonate, O-propyl sulfonic acid, or B-glucan acetate diaminoethyl ether. The investigations have demonstrated that ultrathin membrane separation performance can be modified by: Modifying the chemical composition; Optimizing the annealing conditions; Producing as thin a membrane as practical; and Using a polysulfone support film. Preliminary engineering considerations for reverse osmosis applications to treatment and recycle of acidic copper plating bath rinse waters are presented.