Experimental study on phosphorus flotation of an iron tailings in northern China

Rong Yiyang; Ye Guohua; Kang Xuanxiong; Zhu Siqin; Song Changxu; Xiang Xinyue; Zhang Yun

doi:10.7513/j.issn.1004-7638.2023.05.017

Volume 44 Issue 5

Oct. 2023

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Rong Yiyang, Ye Guohua, Kang Xuanxiong, Zhu Siqin, Song Changxu, Xiang Xinyue, Zhang Yun. Experimental study on phosphorus flotation of an iron tailings in northern China[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(5): 111-115. doi: 10.7513/j.issn.1004-7638.2023.05.017

Citation:

Rong Yiyang, Ye Guohua, Kang Xuanxiong, Zhu Siqin, Song Changxu, Xiang Xinyue, Zhang Yun. Experimental study on phosphorus flotation of an iron tailings in northern China[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(5): 111-115. doi: 10.7513/j.issn.1004-7638.2023.05.017

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Experimental study on phosphorus flotation of an iron tailings in northern China

doi: 10.7513/j.issn.1004-7638.2023.05.017

Faculty of Land Resource Engineering, Kunming University of Science and Technology, Kunming 650093, Yunnan, China

Received Date: 2023-07-03
Available Online: 2023-11-04
Publish Date: 2023-10-31

Abstract

Abstract

An iron tailings in the northern China contains 2.93% P₂O₅, most of which is crystalline apatite and belongs to low-grade phosphorus resources. In order to realize the efficient recovery of phosphorus in the iron tailings, the experimental study on phosphorus flotation was carried out according to its characteristics, and the influence of main factors was emphatically analyzed. Finally, the optimal conditions were obtained using oxidized paraffin soap as the collector with the amount of 1200 g/t, sodium carbonate as the pH adjusting agent with a dosage of 2000 g/t and water glass as the inhibitor with the amount of 200 g/t. The ideal technical index was obtained with the P₂O₅ content of 33.19% in the phosphate concentrate and the recovery rate of 82.98% under the large open and small closed circuit process with "one coarse-three fine".
- iron tailings,
- apatite,
- flotation,
- comprehensive recovery

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References(15)

References

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