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Today, reverse osmosis (RO), nanofiltration (NF), andelectrodialysis reversal (EDR) are the most commonly used desalting processes for potable watertreatment in the United States, typically treating brackish or impaired water supplies. Globally, manyseawater RO water treatment plants (WTPs) have been operating successfully for more than 30 years(Redondo 2001. Busch and Mickols 2004).However, synthetic membrane processes produce permeate water depleted in minerals that is oftenfound to be aggressive towards distribution system components. Moreover, the water produced bymembrane processes is typically incompatible with existing water distribution system infrastructure. Post-treatmentis thus needed for municipal water treatment before the membrane-treated water is delivered tothe distribution system as finished water. Includes 62 references, figures.

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Edition: Vol. - No. Published: 11/01/2008 Number of Pages: 27File Size: 1 file , 810 KB