Abstract
Nitrate contamination is a water pollution problem in the U.S. and globally. Mining and agriculture disperse nitrate into water supplies creating significant contamination in receiving waters. There is increased demand for new water technologies to meet new regulations and more exacting effluent standards. Standard chemical/physical water treatment technologies do little to aid in meeting effluent standards for nitrate and associated anions such as selenate and sulfate . The Winner Water HydroFlex system is an adaptable technology to remove nitrate, selenate and sulfate from waste water. HydroFlex includes solvent extraction loading, scrubbing and stripping with a strong base anion exchange solvent. Nitrate may be stripped as a strong solution of calcium nitrate using a milk of lime strip solution. The loading and stripping data from testing of HydroFlex on a wastewater sample will be presented and discussed along with an economic model demonstrating the cost effectiveness of the technology.
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AMD Value Extraction Process GR# 410003675—Liquid to Liquid Extraction Final Report, Winner Global Energy & Environmental Services LLC, May 2009
Average Price of Electricity to Ultimate Customers by End-Use Sector by State, July 2015 and 2014 (Cents per kWh) http://www.eia.gov/. Accessed 10 Aug 2015
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© 2017 The Minerals, Metals & Materials Society
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Dreisinger, D., Kordosky, G., Beers, T., Schrock, M., Lu, J., Chen, B. (2017). Nitrate and Other Anion Removal from Waste Water Using the Hydroflex Technology. In: Liu, X., et al. Energy Materials 2017. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-319-52333-0_11
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DOI: https://doi.org/10.1007/978-3-319-52333-0_11
Publisher Name: Springer, Cham
Online ISBN: 978-3-319-52333-0
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