The method that smelting waste water comprehensive containing magnesium reclaims

The method that smelting waste water comprehensive containing magnesium reclaims

  • CN 106,277,417 A
  • Filed: 05/26/2015
  • Published: 01/04/2017
  • Est. Priority Date: 05/26/2015
  • Status: Active Application
First Claim
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1. the method that the smelting waste water comprehensive containing magnesium reclaims, it is characterised in that described method includes:

  • Step S1, with alkaline matter by the pH regulator of the described smelting wastewater containing magnesium to 10.0~

    12.5, obtains containing hydroxideMagnesium and the serosity of calcium sulfate;

    Wherein, the described smelting wastewater containing magnesium is the waste water of containing magnesium sulfate;

    Described alkaline matter is for containingThe alkaline matter of calcium;

    AndStep S2, is passed through carbon dioxide in the described serosity containing magnesium hydroxide and calcium sulfate and carries out carburizing reagent, andDescribed serosity after carbonization is carried out solid-liquid separation, obtains solid slag and magnesium bicarbonate solution.

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