Effect and mechanism of dolomite with different size fractions on hematite flotation using sodium oleate as collector

被引：0
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作者：
Xi-mei Luo
Wan-zhong Yin
Yun-fan Wang
Chuan-yao Sun
Ying-qiang Ma
Jian Liu
机构：
[1] Kunming University of Science and Technology,State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization (Faculty of Land and Rescource Engineering
[2] Fuzhou University,College of Zijin Mining
[3] Central South University,Faculty of Minerals Processing and Bioengineering
[4] Beijing General Research Institute of Mining & Metallurgy,undefined
来源：
Journal of Central South University | 2016年 / 23卷
关键词：
dolomite; hematite; sodium oleate; mineral dissolution; depressing effect;
D O I：
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中图分类号：
学科分类号：
摘要：
The effect of dolomite with different particle size fractions on hematite flotation was studied using sodium oleate as collector at pH of about 9. The effect mechanism of dolomite on hematite flotation was investigated by means of solution chemistry, ultraviolet spectrophotometry (UV), inductively coupled plasma atomic emission spectrometry (ICP-AES) and X-ray photoelectron spectroscopy (XPS). It is observed that dolomite with different size fractions has depressing effect on hematite flotation using sodium oleate as collector, and dolomite could be the “mineral depressant” of hematite using sodium oleate as collector. The reasons for that are concerned with sodium oleate consumption and the adsorption onto hematite of dissolved species of dolomite.
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页码：529 / 534
页数：5
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