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AWWA WQTC62425
- Evaluation of Existing Models for Predicting DBP Formation Potential of California State Project Water Treated with a Magnetic Ion Exchange Resin
- Conference Proceeding by American Water Works Association, 11/01/2005
- Publisher: AWWA
$12.00$24.00
The objective of this slide presentation was to evaluate whether existing models for estimating Total Trihalomethane (TTHM) formation potential could be successfully applied to California State Project Water (SPW) pre-treated with a magnetic ion exchange (MIEX®) resin, followed by conventional coagulation, flocculation, sedimentation, filtration and free chlorine disinfection. The methodology included: evaluation of five literature published models;data sets from MIEX® jar tests and pilot trials;MIEX® and MIEX® plus coagulation treatment;three SPW sites; and,formation potentials under site specific Simulated Distribution System (SDS)conditions. Models included:US Environmental Protection Agency (USEPA) Water Treatment Plant WTP Model(CDWO (2001); verified Solarik et al (2000));USEPA-MPI (original)(Harrington et al (1992));(DWR (original and recalibrated)(Hutton and Chung (1992,1993)); and,Palmdale Water District (PWD)(developed by Carollo Engineers for AWWARF Study). Sites included:Metropolitan Water District (MWD);Covina Irrigating Company (CIC); and,Palmdale Water District (PWD). Includes 3 references, figures.
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