Electrodeionization apparatus
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United States of America Patent
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-
Dec 30, 1986
Issued Date -
N/A
app pub date -
Aug 2, 1985
filing date -
Jul 9, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electrodeionization apparatus and process are provided for removing ions from liquids. Liquid to be purified is passed through depleting compartments containing mixed anion and cation exchange resin beads while a second liquid is passed through concentrating compartments free of ion exchange resin beads. Ions, under influence of a D.C. potential, pass from the depleting compartments into the concentrating compartments through ion permeable membranes. The beads in the depleting compartments are housed within subcompartments of controlled width and thickness and are retained therein by the ion permeable membranes which are secured to the walls of the subcompartments.
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