Experimental Study on the Recovery of Quartz in Fluorite Tailings

LIU Hang; SUN Wei; CHEN Pan; YANG Lei; LU Xiaolong; CHEN Youchuan

doi:10.13779/j.cnki.issn1001-0076.2019.04.013

2019 Vol. 39, No. 4

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LIU Hang, SUN Wei, CHEN Pan, YANG Lei, LU Xiaolong, CHEN Youchuan. Experimental Study on the Recovery of Quartz in Fluorite Tailings[J]. Conservation and Utilization of Mineral Resources, 2019, 39(4): 78-82. doi: 10.13779/j.cnki.issn1001-0076.2019.04.013

Citation:

LIU Hang, SUN Wei, CHEN Pan, YANG Lei, LU Xiaolong, CHEN Youchuan. Experimental Study on the Recovery of Quartz in Fluorite Tailings[J]. Conservation and Utilization of Mineral Resources, 2019, 39(4): 78-82. doi: 10.13779/j.cnki.issn1001-0076.2019.04.013

Experimental Study on the Recovery of Quartz in Fluorite Tailings

School of Minerals Processing and Bioengineering, Central South University, Changsha 410000, China

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Corresponding authors: SUN Wei ; CHEN Pan

Received Date: 03 May 2019

Publish Date: 25 August 2019

Abstract

Abstract

In order to recycle high purity quartz from the fluorite tailings efficiently in Hunan province, based on the principle of removing impurities to purify quartz, the experiments of magnetic separation, reverse flotation and predictive desliming were comprehensively investigated. The results showed that the quartz concentrate with SiO₂ grade of 98.66% and SiO₂ recovery rate of 66.07% without predictive desliming could be obtained by the process of "magnetic de-ironing-reverse flotation desulfurization-reverse flotation defluorination-reverse flotation de-mica". A quartz concentrate with the SiO₂ grade of 99.11% and the recovery of 58.16% was obtained after 15.44% of the slime was removed in advance. The process of recovering high-purity quartz by using fluorite tailings can significantly reduce tailings stockpiles and has strong economic benefits.
- quartz /
- fluorite /
- mica /
- reverse flotation /
- inhibitor /
- collector

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