Treatment and Recovery of Valuable Materials from Aluminum Dross by Leaching
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White and black dross are resulted from the recycling of aluminum. There are no established processes to recover valuable materials from black dross. Hydrometallurgical processes seem to be suitable for the treatment of aluminum dross. The salts in the black dross are recovered by dissolving with water. The residues are treated by either alkaline or acid leaching. Although the leaching rate of alumina by NaOH is lower than that by acid, its intermediates are more suitable to the production of aluminabased materials. The future direction for the treatment and recovery of valuable materials from aluminum dross is discussed.
Abstract
White and black dross are resulted from the recycling of aluminum. There are no established processes to recover valuable materials from black dross. Hydrometallurgical processes seem to be suitable for the treatment of aluminum dross. The salts in the black dross are recovered by dissolving with water. The residues are treated by either alkaline or acid leaching. Although the leaching rate of alumina by NaOH is lower than that by acid, its intermediates are more suitable to the production of aluminabased materials. The future direction for the treatment and recovery of valuable materials from aluminum dross is discussed.
참고문헌 (47)
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