High efficiency ion exchange system for removing nitrate contaminants from water
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United States of America Patent
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Jul 13, 2010
Grant Date -
May 22, 2008
app pub date -
Oct 31, 2007
filing date -
Oct 25, 2000
priority date (Note) -
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Abstract
The disclosed invention is a fixed bed ion exchange water purification system. It employs a combination of electronically controlled process steps and specific systems configurations to duplicate the effects of moving resin beds from one operating position to another as is required in moving bed ion exchange water purification systems. The intention combines features of single fixed bed ion exchange systems with those of a moving bed system. The invention applies to the treatment of water having typical industrial and drinking water concentrations of various ions.
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