The effect of sodium carbonate on the dispersion behaviour and froth flotation of a nickel ore

被引：2
|
作者：
Feng, B. [1 ,2 ]
Feng, Q. M. [2 ]
Lu, Y. P. [2 ]
Wang, H. H. [1 ]
机构：
[1] Jiangxi Univ Sci & Technol, Jiangxi Key Lab Min Engn, Ganzhou, Peoples R China
[2] Cent S Univ, Sch Mineral Proc & Bioengn, Changsha, Hunan, Peoples R China
来源：
JOURNAL OF THE SOUTHERN AFRICAN INSTITUTE OF MINING AND METALLURGY | 2015年 / 115卷 / 12期
基金：
中国国家自然科学基金;
关键词：
sodium carbonate; nickel flotation; lizardite; pentlandite; PENTLANDITE; MECHANISMS; SEPARATION; PYRITE; SIZE;
D O I：
10.17159/2411-9717/2015/v115n12a13
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The effect of sodium carbonate on the flotation performance of a nickel ore was studied and the mechanism investigated. The flotation results show that lizardite minerals in the ore interfere with the flotation of pentlandite, and the addition of sodium carbonate improves pentlandite flotation recovery. The pulp pH did not change with increasing sodium carbonate dosage. Drawing on the literature in this area, combined with the sedimentation test results, sieving test results, and infrared spectra study, it is proposed that carbonate ions, derived from sodium carbonate, interact with lizardite slime and change the interparticle force from attraction to repulsion, resulting in the removal of adhering slimes from pentlandite surfaces.
引用
收藏
页码：1239 / 1242
页数：4
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