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      Selective demineralization of water by nanofiltration Application to the defluorination of brackish water

      Water Research
      Elsevier BV

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          Abstract

          Nanofiltration is generally used to separate monovalent ions from divalent ions, but it is also possible to separate ions of the same valency by careful application of the transfer mechanisms involved. Analysis of the retention of halide salts reveals that small ions like fluoride are the best retained, and that this is even more marked under reduced pressure when selectivity is greatest. The selectivity desalination of fluorinated brackish water is hence feasible and drinking water can be produced directly at much lower cost than using reverse osmosis by optimizing the pressure for the type of water treated.

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          Author and article information

          Journal
          Water Research
          Elsevier BV
          00431354
          September 2001
          : 35
          : 13
          : 3260-3264
          Article
          10.1016/S0043-1354(01)00020-3
          11487124
          e4cb5e52-b1a0-45a1-a9f7-05a1464ef53a
          © 2001

          https://www.elsevier.com/tdm/userlicense/1.0/

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