Record Display for the EPA National Library Catalog


OLS Field Name OLS Field Data
Main Title Hypochlorite Generator for Treatment of Combined Sewer Overflows.
Author Leit, Frank B. ; Michale, Steven A. ; Greatore, John L. ;
CORP Author Ionics, Inc., Watertown, Mass.
Year Published 1972
Report Number DI-14-12-490; EPA-11023-DAA ;EPA-11023-DME; 11023-DAA-03/72;
Stock Number PB-215 688
Additional Subjects ( Sewage treatment ; Disinfection) ; ( Disinfection ; Overflows) ; ( Electrolytic cells ; Gas generators) ; Combined sewers ; Sodium hypochlorite ; Operating costs ; Design ; Capitalized costs ; Ion exchange membrane electrolytes ; Process variables ; Performance evaluation ; Water pollution control
Library Call Number Additional Info Location Last
NTIS  PB-215 688 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/23/1988
Collation 91p
An advanced electrolytic generator has been developed for on-site production of sodium hypochlorite for disinfection of overflows from combined sewer systems. In this system an electrochemical cell electrolyzes sodium chloride brine to chlorine gas and sodium hydroxide solution, which are reacted immediately outside the cell to produce a 5 to 10% sodium hypochlorite solution. Significant advances in safety and economy have been realized by use of a hydraulically impermeable cation exchange membrane. The most critical components have operated for over 3000 hours with no deterioration of performance. The generator requires 1.6 KWH of electricity and 2.1 pounds of salt per pound of sodium hypochlorite. The operating cost for systems larger than 500 pounds of hypochlorite per day is projected to be 3 to 4 cents per pound of hypochlorite. (Author Modified Abstract)