Abstract: A method for purifying water, comprising separating a supply stream into a permeate stream and a reject stream, removing non-monovalent salt impurities from the reject stream to produce a treated stream; providing the treated stream to a concentrating compartment of an electrodeionization unit; and, producing an EDI product stream of purified water.
Type:
Grant
Filed:
November 21, 2008
Date of Patent:
April 5, 2011
Assignee:
GE Mobile Water, Inc.
Inventors:
William Haas, Joel Robinson, Abel Queen
Abstract: Water purification systems include a reverse osmosis unit, a treatment unit, and an electrodeionization unit. A reverse osmosis reject stream from the reverse osmosis unit is treated in the treatment unit and provided to concentrating compartments of the electrodeionization unit.
Type:
Grant
Filed:
May 7, 2004
Date of Patent:
December 30, 2008
Assignee:
GE Mobile Water, Inc.
Inventors:
Abel Queen, Joel Robinson, William Haas
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