Method for recovery of cerium oxide

Method for recovery of cerium oxide

  • CN 103,159,250 A
  • Filed: 12/19/2012
  • Published: 06/19/2013
  • Est. Priority Date: 12/19/2011
  • Status: Active Application
First Claim
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1. one kind is used for from the method for the abrasive material Waste recovery cerium oxide that mainly is comprised of cerium oxide, and described abrasive material source of waste said method comprising the steps of from the polishing of glass substrate:

  • (i) add the aqueous solution of alkaline matter to the abrasive material refuse;

    (ii) the solution to gained adds precipitation agent, thereby forms the throw out that mainly is comprised of cerium oxide, and removes supernatant liquor;

    (iii) adding the solution of acidic substance to the throw out of gained, is that subacidity is to neutral thereby make described throw out;

    (iv) use the throw out of organic solvent washing gained;

    And(v) dry and crushing throw out.

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