Beneficiation Difference of Quartzite  Mines in Two Places

LIU Menghao; GUAN Junfang; REN Zijie; GAO Huimin; LIU Zhi; TANG Tengwang; SHEN Yanxu

doi:10.13779/j.cnki.issn1001-0076.2023.02.015

2023 Vol. 43, No. 2

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Article navigation > Conservation and Utilization of Mineral Resources > 2023 > 43(2): 99-105

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LIU Menghao, GUAN Junfang, REN Zijie, GAO Huimin, LIU Zhi, TANG Tengwang, SHEN Yanxu. Beneficiation Difference of Quartzite Mines in Two Places[J]. Conservation and Utilization of Mineral Resources, 2023, 43(2): 99-105. doi: 10.13779/j.cnki.issn1001-0076.2023.02.015

Citation:

LIU Menghao, GUAN Junfang, REN Zijie, GAO Huimin, LIU Zhi, TANG Tengwang, SHEN Yanxu. Beneficiation Difference of Quartzite Mines in Two Places[J]. Conservation and Utilization of Mineral Resources, 2023, 43(2): 99-105. doi: 10.13779/j.cnki.issn1001-0076.2023.02.015

Beneficiation Difference of Quartzite Mines in Two Places

1.
School of Resources and Environment Engineering, Wuhan University of Technology, Wuhan 430070, Hubei, China
2.
Hubei Key Laboratory of Mineral Resources Processing and Environment, Wuhan 430070, Hubei, China

More Information

Corresponding author: REN Zijie, renzijie@whut.edu.cn

Received Date: 24 November 2022

Publish Date: 25 April 2023

Abstract

Abstract

The quartz from Gansu (GS) and Hubei (HB), which were generated in different ore-forming conditions, were used for the comparative purification research by the same beneficiation process. The reasons for the different purification results were analyzed by XRF and Polarized Light Microscopy. The results showed that: (1) The products with SiO₂ content of 99.68%(GS), 99.65% (HB) and Fe₂O₃ content of 58.62 μg/g (GS) and 79.46 μg/g(HB) could be obtained respectively by crush−screen−grinding−magnetic separation−acid leaching process for the two samples , which could be used for photovoltaic glass production. (2) The iron removal rates of HB sample in the magnetic separation and flotation processes were 81.92% and 17.41% respectively, which were better than those of GS samples at 75.61% and 10.37%. Because the iron content of HB sample was lower than that of GS sample. What’s more, for the HB sample, it had more free iron, and a larger amount of iron impurities were stored in sericite feldspar and clay minerals, which were easily removed by magnetic separation and flotation. (3) The iron removal rate of GS sample under the best acid leaching condition was 86.74%, which was better than 66.97% of HB sample. The reason was that the fine−grained quartz population in GS sample contain was bigger than that in HB sample, and a large number of iron−containing impurities such as white muscovite and sericite were endowed in the population fractures, which were more easily removed by the acid leaching process.
- quartz /
- purification /
- flotation /
- acid leaching /
- photovoltaic glass

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References

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