C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 3/04 (2006.01) C22B 1/00 (2006.01) C22B 3/06 (2006.01) C22B 3/12 (2006.01) C22B 3/14 (2006.01) C22B 3/44 (2006.01) C22B 11/00 (2006.01)
Patent
CA 2629093
Precious metal recovery by thiosulfate leaching where thiosulfate lixiviant is generated in situ employing elemental sulfur generated from partial oxidation of sulfidic precious metal-bearing feed and/or employing reactants from processing effluent.
L'invention concerne la récupération de métaux précieux par lixiviation au thiosulfate, un lixiviant thiosulfate étant généré in situ au moyen d'un soufre élémentaire généré à partir d'une oxydation partielle d'une alimentation sulfurique contenant des métaux précieux et/ou au moyen de réactifs provenant d'un effluent de traitement.
Aylmore Mark
Choi Yeonuk
Kondos Peter
Mcmullen Jacques
Van Weert Gus
Barrick Gold Corporation
Smart & Biggar
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