The effect of conditioning methods and chain length of xanthate on the flotation of a nickel ore

被引：34
|
作者：
Feng, Bo [1 ]
Feng, Qiming [1 ]
Lu, Yiping [1 ]
Lv, Peichao [1 ]
机构：
[1] Cent S Univ, Sch Mineral Proc & Bioengn, Changsha, Hunan, Peoples R China
来源：
MINERALS ENGINEERING | 2012年 / 39卷
基金：
中国国家自然科学基金;
关键词：
Xanthate; Chain length; Calgon; High Intensity Conditioning; PARTICLE-SIZE; PENTLANDITE; MECHANISMS; SEPARATION; SURFACES; MINERALS; PYRITE;
D O I：
10.1016/j.mineng.2012.05.022
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
In this work, the effect of chain length of xanthate on the flotation performance of Jinchuan nickel ore was studied by different pre-flotation conditioning methods. Results showed that the presence of serpentine minerals in the ore interferes with the flotation performance of pentlandite. Two methods were used to eliminate the adverse effect of serpentine slimes and improve pentlandite flotation performance. Compared with the addition of Calgon, High Intensity Conditioning (HIC) could increase pentlandite flotation recovery significantly. Three kinds of xanthate with different chain length were used as collectors. When HIC is used at the conditioning stage, the longer the hydrocarbon chain of xanthate, the lower the Ni recovery, while when Calgon is used at the conditioning stage, the longer the hydrocarbon chain of xanthate, the better the pentlandite flotation performance. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：48 / 50
页数：3
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