Reduce organic phosphorous acids

Reduce organic phosphorous acids

  • CN 103,842,301 B
  • Filed: 08/31/2012
  • Issued: 04/06/2018
  • Est. Priority Date: 09/01/2011
  • Status: Active Grant
First Claim
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1. a kind of be used to reduce organic phosphorous acids content and the method for inorganic phosphate salt content in outflow water logistics, including:

  • The outflow water logistics comprising one or more organic phosphorous acids and one or more inorganic phosphates are provided, wherein described haveMachine phosphoric acid is selected from the group being made up of methylphosphonic acid, methyl ester phosphonic acids and dimethylphosphinic acid;

    Regulation outflow water logistics are to reach 4-6 pH value, so as to form adjusted water logistics;

    AndMetal salt is added to adjusted water thing under conditions of sediment effectively being formed with one or more organic phosphorous acidsFlow and so as to reduce the amount of organic phosphorous acids contained therein;

    Wherein described metal salt is selected from the group being made up of frerrous chloride, iron chloride, ferric sulfate and ferrous sulfate;

    At least 80% organic phosphorous acids wherein are removed from outflow water logistics, and wherein remove at least 90% phosphoric acid.

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