Efficiently separating magnesite from quartz using N-hexadecyltrimethylammonium chloride as a collector via reverse flotation

被引：26
|
作者：
Sun, Haoran [1 ]
Yin, Wanzhong [1 ]
Yang, Bin [1 ]
Chen, Keqiang [1 ]
Sheng, Qiuyue [1 ]
机构：
[1] Northeastern Univ, Sch Resources & Civil Engn, Shenyang 110819, Peoples R China
来源：
MINERALS ENGINEERING | 2021年 / 166卷
基金：
中国国家自然科学基金;
关键词：
Magnesite; Quartz; N-hexadecyltrimethylammonium chloride; Flotation separation; ADSORPTION; INSIGHTS; ORE; SURFACTANT;
D O I：
10.1016/j.mineng.2021.106899
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The flotation performances of magnesite and quartz were investigated in this work using N-hexadecyltrimethylammonium chloride (HTAC) as a collector. Micro-flotation tests were performed in a pilot study, and the results demonstrated that HTAC had high selective collection ability to quartz. Further, batch flotation results showed that HTAC could effectively remove quartz from magnesium-bearing carbonate ores. The adsorption behaviors of HTAC onto the surfaces of two minerals were analyzed through zeta-potential measurements and Xray photoelectron spectroscopy (XPS) detection, which revealed that HTAC was mainly adsorbed on quartz rather than magnesite. Thus, HTAC could be used as a high-selectivity collector to efficiently separate magnesite from quartz.
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页数：5
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