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

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Abstract

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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Authors and Affiliations

  1. State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization (Faculty of Land and Rescource Engineering, Kunming University of Science and Technology, Kunming, 650093, China

    Xi-mei Luo  (罗溪梅) & Jian Liu  (刘建)

  2. College of Zijin Mining, Fuzhou University, Fuzhou, 350116, China

    Wan-zhong Yin  (印万忠) & Ying-qiang Ma  (马英强)

  3. Faculty of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China

    Yun-fan Wang  (王云帆)

  4. Beijing General Research Institute of Mining & Metallurgy, Beijing, 100044, China

    Chuan-yao Sun  (孙传尧)

Authors
  1. Xi-mei Luo  (罗溪梅)
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  2. Wan-zhong Yin  (印万忠)
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  3. Yun-fan Wang  (王云帆)
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  4. Chuan-yao Sun  (孙传尧)
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  5. Ying-qiang Ma  (马英强)
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  6. Jian Liu  (刘建)
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Corresponding author

Correspondence to Wan-zhong Yin  (印万忠).

Additional information

Foundation item: Project(51374079) supported by the National Natural Science Foundation of China; Project(KKSY201521031) supported by Talent Cultivation Foundation of Kunming University of Science and Technology, China; Project(2015Y067) supported by Foundation of Yunnan Educational Committee, China

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Luo, Xm., Yin, Wz., Wang, Yf. et al. Effect and mechanism of dolomite with different size fractions on hematite flotation using sodium oleate as collector. J. Cent. South Univ. 23, 529–534 (2016). https://doi.org/10.1007/s11771-016-3099-8

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  • DOI: https://doi.org/10.1007/s11771-016-3099-8

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