Study on Reverse Flotation of Low Grade Phosphate Ore with High Magnesium in Hubei Province

HUANG Peng; ZHANG Fan; LI Hongqiang; JIA Zhengxun; LIU Shuang; LU Li; KANG Jian; LI Jian

doi:10.13779/j.cnki.issn1001-0076.2023.02.021

2023 Vol. 43, No. 2

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Article navigation > Conservation and Utilization of Mineral Resources > 2023 > 43(2): 138-141

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HUANG Peng, ZHANG Fan, LI Hongqiang, JIA Zhengxun, LIU Shuang, LU Li, KANG Jian, LI Jian. Study on Reverse Flotation of Low Grade Phosphate Ore with High Magnesium in Hubei Province[J]. Conservation and Utilization of Mineral Resources, 2023, 43(2): 138-141. doi: 10.13779/j.cnki.issn1001-0076.2023.02.021

Citation:

HUANG Peng, ZHANG Fan, LI Hongqiang, JIA Zhengxun, LIU Shuang, LU Li, KANG Jian, LI Jian. Study on Reverse Flotation of Low Grade Phosphate Ore with High Magnesium in Hubei Province[J]. Conservation and Utilization of Mineral Resources, 2023, 43(2): 138-141. doi: 10.13779/j.cnki.issn1001-0076.2023.02.021

Study on Reverse Flotation of Low Grade Phosphate Ore with High Magnesium in Hubei Province

1.
Hubei Province Geological Experimental Testing Center, Wuhan 430034, Hubei, China
2.
Key Laboratory of Rare Mineral, MNR, Wuhan 430034, Hubei, China
3.
The Seventh Geological Brigade of Hubei Geological Bureau, Yichang 443100, Hubei, China
4.
Wuhan Institute of Technology, Wuhan 430205, Hubei, China

Received Date: 11 April 2022

Publish Date: 25 April 2023

Abstract

Abstract

A sedimentary phosphate ore in Hubei contains a low grade P₂O₅ of 21.08% and high magnesium, with collophanite, fluorapatite and dolomite as its main compositions. In order to utilize the low grade phosphate ore, the reverse flotation experimental study was carried out. the proper agent regime and the closed circuit process flowsheet was investigated. The results showed that the phosphor concentrate with P₂O₅ grade of 31.12% and recovery of 88.79% was obtained using MG as collector and phospsoric acid as depressant via the closed-circuit flowsheet of “one roughing-two cleaning, handling of the middlings together”.
- phosphate /
- high magnesium /
- reverse flotation

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References

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