Recovery of bismuth and arsenic from copper smelter flue dusts after copper and zinc extraction

被引：90
作者：
Chen, Ya [1 ]
Liao, Ting [1 ]
Li, Gaibian [2 ]
Chen, Baizhen [1 ]
Shi, Xichang [1 ]
机构：
[1] Cent S Univ, Sch Met Sci & Engn, Changsha 410083, Hunan, Peoples R China
[2] Jinchuan Grp Ltd, Nickel Salt Plant, Jinchang 737100, Gansu, Peoples R China
来源：
MINERALS ENGINEERING | 2012年 / 39卷
关键词：
Copper flue dust; Bismuth; Arsenic; Recovery;
D O I：
10.1016/j.mineng.2012.06.008
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Recovery of bismuth and arsenic from copper smelter flue dusts after copper and zinc extraction was carried out by a hydrometallurgical process. The dusts were leached with a H2SO4-NaCl solution and precipitating bismuth and arsenic in the liquor was performed. The precipitate was leached with a 2 M sodium hydroxide solution and the obtained residue and liquor were used for preparation of sponge bismuth and sodium arsenic, respectively. The process parameters were preliminarily optimized and under the optimal conditions, the total recoveries of bismuth and arsenic are 90% and 42%, respectively. The purity of obtained sponge bismuth can reach up to above 90% under the optimal conditions. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：23 / 28
页数：6
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