B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 24/10 (2006.01) B01D 24/46 (2006.01) B01D 39/04 (2006.01) C22B 3/22 (2006.01)
Patent
CA 2104437
A method in which a contaminated aqueous solution produced as a result of a hydrometallurgical extraction operation is passed through a filtering bed made up of hydrophobic materials, optionally of differing sizes and shapes, formed from materials including plastics and their derivatives, polypropylene, polyester, nylon, teflon, etc., so as to remove organic phase residues, solids, and other contaminants therefrom. The method is complemented by a back wash stage using air and water to dislodge the contaminants from the bed to permit subsequent collection and/or treatment of these materials. The method exhibits technical and economic advantages that are very significant in comparison to traditional methods.
Alvarez Aliro Teodoro Nelson Pincheira
Bannach Sichtermann Gustavo Holger
Cerda Varela Gonzalo Renato
Cruz Rivera Alberto Segundo
Gasparini Noziglia Renzo Alberto
Corporacion Nacional Del Cobre de Chile
Osler Hoskin & Harcourt Llp
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