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AWWA ACE59860
- Impact of MIEX Pretreatment on Ozonation and Bromate Formation: A Pilot Plant Evaluation
- Conference Proceeding by American Water Works Association, 06/17/2004
- Publisher: AWWA
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A magnetized ion exchange resin (MIEX®) has been shown to be highly effectivein removing dissolved organic carbon (DOC) from waters and in removingselected inorganic anions of concern such as bromide. As part of an AwwaRFtailored collaborative project, a 10-gpm MIEX pilot plant was installed andoperated for five weeks at the Southern Nevada Water Authority (SNWA). InAugust 2003, the SNWA implemented 750-MGD of ozonation between twotreatment facilities to achieve Cryptosporidium inactivation. It was expected thatMIEX pretreatment could yield a benefit at SNWA by reducing DOC andbromide concentrations. Removal of these constituents would likely reducebromate formation, ozone demand, ozone decay rates, and disinfection byproductformation. Includes table, figures.
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