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ONE MGD ION EXCHANGE PLANT FOR REMOVAL OF NITRATE FROM WELL WATER
Lauch, R. AND G. Guter. ONE MGD ION EXCHANGE PLANT FOR REMOVAL OF NITRATE FROM WELL WATER. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/D-84/172 (NTIS PB84211036).
A full scale 1 mgd demonstration plant, using ion exchange, for removal of nitrate from well water was built at McFarland, California. The plant has been performing satisfactorily in the semi-automatic mode since October 1983. Full automation of the plant was completed in June 1984. State of California requirements of reducing nitrate levels below 10 mg/L NO3-N and eliminating brine from the product water have been met. Total costs for the plant, including capital and operation and maintenance were 24.2 cents/1000 gal. Research is continuing at McFarland on nitrate selective resins, regenerant re-use, monitoring and brine disposal, in an effort to further improve the process and reduce costs.