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OLS Field Name OLS Field Data
Main Title Chlorine Dioxide Disinfection and Granular Activated Carbon Adsorption.
Author Lykins, Jr., Ben W. ; Griese, Mark ; Mills, Donald B. ;
CORP Author Evansville Waterworks Dept., IN.;Municipal Environmental Research Lab., Cincinnati, OH.
Year Published 1982
Report Number EPA-500/2-82-051;
Stock Number PB82-227737
Additional Subjects Water pollution control ; Disinfection ; Halogen organic compounds ; Chlorine oxides ; Chlorination ; Performance evaluation ; Pilot plants ; Chlorine dioxide ; Granular activated carbon treatment ; Methanes
Holdings
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NTIS  PB82-227737 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 99p
Abstract
This research study was designed to evaluate chlorine dioxide disinfection as an alternative for drastically reducing or preventing the production of trihalomethanes that result during chlorination. Also, the effectiveness of virgin and reactivated granular activated carbon (GAC) for removal of organic compounds present in the source water as well as any formed after disinfection was investigated. The performance of 0.38 cu m/minute (100 gallon per minute) pilot plant with pre and post chlorine dioxide disinfection and two parallel post-adsorber GAC contactors was compared to a full-scale plant using chlorine disinfection without GAC adsorption. The parallel GAC contactors consisted of virgin in one contactor and reactivated GAC in the other one that were continuously operated and evaluated until exhaustion. After about 90 days of operation, the GAC was educted and reactivated off-site by an infrared furnace. Analysis performed during the project consisted of quantification of fourteen volatile and eight extractable organic compounds along with qualitative (detected/nondetected) determinations by mass spec scans of 32 additional volatiles and 54 extractable organics. Additional data were collected on nine inorganic metals, TOC, and other parameters such as turbidity, SPC and total coliforms.