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METHOD AND APPARATUS FOR DESALINATION

  • US 20100089756A1
  • Filed: 12/16/2009
  • Published: 04/15/2010
  • Est. Priority Date: 09/20/2006
  • Status: Active Grant
First Claim
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1. A method of purifying water comprising:

  • providing a feed water comprising greater than about 1,000 ppm total dissolved solids to a nanofiltration device to produce a first filtrate reduced in total dissolved solids; and

    feeding the first filtrate to an electrodeionization device to produce a second filtrate comprising less than about 1,000 ppm total dissolved solids and a boron content of less than about 0.5 ppm.

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