Ion removal using a capacitive deionization system
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United States of America Patent
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May 2, 2017
Grant Date -
May 2, 2013
app pub date -
Oct 27, 2011
filing date -
Oct 27, 2011
priority date (Note) -
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Abstract
Embodiments of the invention provide methods of removing ions from a feed water stream using a flow-through capacitor and a controller for performing the methods. A target value for a water property concentration or a fixed percent removal of a water property concentration to be removed is established for a treated water stream exiting the flow-through capacitor. A feed value for the water property concentration is measured in a feed water stream entering the flow-through capacitor. An amperage of the flow-through capacitor and a flow rate through the flow-through capacitor is controlled to remove ions from the feed water stream to achieve the desired removal of the water property.
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