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AWWA ACE59941
- Modeling Chlorine-NOM Reaction Kinetics with Fluorescence
- Conference Proceeding by American Water Works Association, 06/17/2004
- Publisher: AWWA
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The objective of this study was to determine whether fluorescence can be used to represent the chlorine-reactive fraction of natural organic matter (NOM), and that a two-species model, with some measure of fluorescence representing the reactive NOM fraction, can be used to model chlorine decay.The study examined the chlorine and fluorescence decay of chlorinated waters andevaluated the impact of different source waters, pH, temperature, rechlorination, and treatmenttype; coagulation, activated carbon adsorption (GAC), ultraviolet (UV) irradiation, ozonation, and ozone /biofiltration (O<sub>3</sub>/BF). The latter four treatment processes were performed after coagulation. Thetreatment processes were all performed at the benchscale. The water set aside to represent raw(untreated) water is filtered with a 1-µm cartridge filter. Results for two source waters(Harwoods Mill Water Treatment Plant, Newport News, Virginia and Winchester Water TreatmentPlant, Kentucky), four different treatment levels, and three different chlorine doses are included in thisstudy. Includes 12 references, table, figures.
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