• AWWA ACE59940

AWWA ACE59940

Bench-Scale Testing of a Magnetic Ion Exchange Resin for Removal of Natural Organic Material

American Water Works Association , 06/17/2004

Publisher: AWWA

File Format: PDF

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The objective of this research was to evaluate a magnetic ion exchange resin for the removal of natural organic matter and bromide as a disinfection byproduct control technology. Raw waters from four utilities in California were treated by the magnetic ion exchange resin followed by coagulation with alum. A parallel set of experiments was conducted with alum coagulation alone. The raw and treated waters were analyzed for total and dissolved organic carbon, ultraviolet absorbance at 254 nm, bromide, and trihalomethane and haloacetic acid formation potential. The waters were also fractionated before and after treatment to determine the molecular weight distribution and hydrophobic/hydrophilic character of the dissolved organic carbon. Includes 18 references, tables, figures.

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