Filtering systems and methods characterized by reduced color throw
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United States of America Patent
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May 3, 2011
Grant Date -
Mar 27, 2008
app pub date -
Aug 22, 2007
filing date -
Aug 23, 2006
priority date (Note) -
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Abstract
Disclosed are water treatment systems and methods that are characterized by reduced leaching of color-bearing material (i.e., color-bearing leachates) into effluent water. The disclosed systems and methods may include or utilize filtering systems comprising selected mixed ion-exchange resin beds of a strong acid sulfonated cation exchange resin and an anion exchange resin.
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