Iron removal method for aluminum salt solution

Iron removal method for aluminum salt solution

  • CN 105,293,552 A
  • Filed: 10/29/2015
  • Published: 02/03/2016
  • Est. Priority Date: 10/29/2015
  • Status: Active Application
First Claim
Patent Images

1. a method for removing iron for aluminum salt solution, is characterized in that, comprises the following steps:

  • (1) batch mixing;

    iron content aluminum salt solution and pure aluminum mix and blend are obtained mixed solution;

    (2) magnetic separation;

    the mixed solution that step (1) obtains is fed magnetic plant sorting, obtains magnetic simple substance iron powder and the aluminum salt solution containing a small amount of pure aluminum;

    (3) filter;

    the aluminum salt solution containing a small amount of pure aluminum step (2) obtained filters, and the filtrate obtained is pure aluminum salt solution, and filter residue is pure aluminum;

    (4) reclaim;

    step (3) gained pure aluminum is returned step (1) recycle.

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