Treatment method of vanadium recovery wastewater

Treatment method of vanadium recovery wastewater

  • CN 102,476,887 A
  • Filed: 11/29/2010
  • Published: 05/30/2012
  • Est. Priority Date: 11/29/2010
  • Status: Active Application
First Claim
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1. the treatment process of a vanadium extracting waste water, said vanadium extracting waste water is the waste water that produces after the ammonium sulfate precipitation in the acid ammonium salt precipitation technology, this method comprises:

  • said vanadium extracting waste water is successively carried out first with reductive agent contact, obtain first mixture;

    And first mixture is carried out second with yellow soda ash and/or sodium hydrogencarbonate contact, obtain second mixture;

    Second mixture is filtered, obtain filter residue and filtrating, the filtrating that filtration is obtained concentrates, and obtains water of condensation and liquid concentrator, and with the liquid concentrator crystallization, obtains crystal and mother liquor.

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