Separation of enargite and tennantite from non-arsenic copper sulfide minerals by selective oxidation or dissolution

被引：60
|
作者：
Fornasiero, D
Fullston, D
Li, C
Ralston, J
机构：
[1] Univ S Australia, Ian Wark Res Inst, ARC Special Res Ctr Particle & Mat Interfaces, Mawson Lakes, SA 5095, Australia
[2] Rio Tinto Technol Dev, Bundoora, Vic 3083, Australia
来源：
INTERNATIONAL JOURNAL OF MINERAL PROCESSING | 2001年 / 61卷 / 02期
基金：
澳大利亚研究理事会;
关键词：
selective flotation; copper sulfide minerals; tennantite; enargite; oxidation; X-ray photoelectron spectroscopy;
D O I：
10.1016/S0301-7516(00)00029-6
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Selective oxidation of minerals was investigated as a means to separate by flotation the copper sulfide minerals of chalcocite, covellite and chalcopyrite from the arsenic copper sulfide minerals of enargite and tennantite in mixed mineral systems. It was found that a separation of these minerals could be feasible after selective oxidation of their surfaces in slightly acidic pH conditions, or after oxidation and selective dissolution of the surface oxidation products with a complexant in basic pH conditions. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：109 / 119
页数：11
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