Experimental Study on Low-temperature Flotation of Quartz-type Fluorite with Petroleum Sodium Sulfonate

CHEN Hao; REN Zijie; GAO Huimin; XIE Yahong; XING Baobao; WANG Zengzi

doi:10.13779/j.cnki.issn1001-0076.2020.07.006

2020 Vol. 40, No. 3

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CHEN Hao, REN Zijie, GAO Huimin, XIE Yahong, XING Baobao, WANG Zengzi. Experimental Study on Low-temperature Flotation of Quartz-type Fluorite with Petroleum Sodium Sulfonate[J]. Conservation and Utilization of Mineral Resources, 2020, 40(3): 135-139. doi: 10.13779/j.cnki.issn1001-0076.2020.07.006

Citation:

CHEN Hao, REN Zijie, GAO Huimin, XIE Yahong, XING Baobao, WANG Zengzi. Experimental Study on Low-temperature Flotation of Quartz-type Fluorite with Petroleum Sodium Sulfonate[J]. Conservation and Utilization of Mineral Resources, 2020, 40(3): 135-139. doi: 10.13779/j.cnki.issn1001-0076.2020.07.006

Experimental Study on Low-temperature Flotation of Quartz-type Fluorite with Petroleum Sodium Sulfonate

1.
School of Resourceful & Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China
2.
Hubei Key Laboratory of Mineral Resources Processing and Environment, Wuhan 430070, China
3.
College of Chemistry and Chemical Engineering, Xinjiang University, Urumqi 830046, China
4.
Key Laboratory of Oil and Gas Fine Chemicals, Ministry of Education and Xinjiang Uyghur Autonomous Region, Urumqi 830046, China

More Information

Corresponding author: REN Zijie

Received Date: 12 November 2019

Publish Date: 25 June 2020

Abstract

Abstract

For quartz-type fluorite ore with CaF₂ content of 47.48% and SiO₂ content of 39.70%, it is difficult to obtain a good selection index using a conventional fluorite flotation collector of sodium oleate in a low-temperature pulp environment. In order to improve the flotation effect of the fluorite ore at low temperature, flotation experiments were conducted using sodium petroleum sulfonate collector (PSK-13) with good low-temperature resistance. The results showed that the CaF₂ grade of 98.57% and the FC-98 fluorite concentrate recovery of 75.02% could be obtained by the process of "closed flotation circuit of one roughing, six cleaning and middling returned cyclically" with the regulator of sodium carbonate, the depressant of water glass and the collector of PSK-13 when the pulp temperature is 5 ℃, which provided a technical reference for the low-temperature flotation. The results of the adsorption amount experiment showed that the adsorption amount of PSK-13 fluorite on the surface changed little and is greater than the adsorption amount of sodium oleate from 5 ℃ to 30 ℃, showing the good performance of low-temperature collection.
- fluorite /
- petroleum sodium sulfonate /
- low-temperature flotation

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