Resources Contact Us Home
Water purification system and method using reverse osmosis reject stream in an electrodeionization unit

Image Number 3 for United States Patent #7919001.

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.

  Recently Added Patents
Scanned image projection system employing intermediate image plane
Base station, relay station, and bandwidth allocation method
Method for cutting C--Mn steel with a fiber laser
Light emitting device
Antimicrobial flush solutions
Method and apparatus for editing a program on an optical disc
Stability control system with body-force-disturbance heading correction
  Randomly Featured Patents
Dual function ECC system with block check byte
Support strap
Expandable access device
Branched block copolymers and their manufacture
Satellite communication system utilizing low density parity check codes
Belt and carrier for high speed printer
Solid-state image-sensor having reverse-biased substrate and transfer registers
Satellite-based cellular telecommunications system utilizing a multiple registration location register
Identity preserved container
Cosmetic compositions containing 1.alpha.-hydroxyvitamin D homologs