Different Flotation Behaviors of Ca<sup>2+</sup>-Activated Quartz in the Presence of 18-Carbon Fatty Acids with Different Saturation

Peng Liqun; Liu Runzhe; Lyu Lan; Fang Shu; Li Ning; Liu Lifen

doi:10.3969/j.issn.1000-6532.2023.06.006

2023 No. 6

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Article navigation > Multipurpose Utilization of Mineral Resources > 2023 > 44(6): 36-40

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Peng Liqun, Liu Runzhe, Lyu Lan, Fang Shu, Li Ning, Liu Lifen. Different Flotation Behaviors of Ca2+-Activated Quartz in the Presence of 18-Carbon Fatty Acids with Different Saturation[J]. Multipurpose Utilization of Mineral Resources, 2023, 44(6): 36-40. doi: 10.3969/j.issn.1000-6532.2023.06.006

Citation:

Peng Liqun, Liu Runzhe, Lyu Lan, Fang Shu, Li Ning, Liu Lifen. Different Flotation Behaviors of Ca²⁺-Activated Quartz in the Presence of 18-Carbon Fatty Acids with Different Saturation[J]. Multipurpose Utilization of Mineral Resources, 2023, 44(6): 36-40. doi: 10.3969/j.issn.1000-6532.2023.06.006

Different Flotation Behaviors of Ca²⁺-Activated Quartz in the Presence of 18-Carbon Fatty Acids with Different Saturation

1.
Yunnan Phosphate Chemical Group Co.Ltd, Kunming, Yunnan, China
2.
National Engineering Research Centre for Phosphorus Resources Development and Utilisation, Kunming, Yunnan, China

More Information

Corresponding author: Liu Runzhe, liurunzhe@126.com

Received Date: 16 November 2021

Publish Date: 25 December 2023

Abstract

Abstract

This is an essay in the field of mineral processing engineering. In this study, sodium palmitate, sodium oleate and sodium linoleate were applied as collectors for the flotation of Ca²⁺-activated quartz. Results indicate that the three different sodium fatty acids have different flotation performances for Ca²⁺-activated quartz. It was found that the sodium linoleate was a better collector for collecting Ca²⁺-activated quartz than sodium oleate and sodium palmitate. To understand the different flotation behaviors of the three fatty acids, a comprehensive investigation has been conducted through zeta-potential measurements, FTIR characterization, free Ca²⁺ concentration measurement, surface tension measurement, and quantitative adsorption determination. It was found that the addition of sodium fatty acids decreased (more negatively charged) the zeta potentials of Ca²⁺-activated quartz, suggesting the adsorption of sodium fatty acids occurred on the collophanite surfaces. Characterization by FTIR spectra indicates that the calcium fatty acids are generated in the mineral pulp. The free Ca²⁺ concentration measurement and the surface tension measurement show that the sodium linoleate is not as sensitive to Ca²⁺ as sodium oleate and sodium palmitate, the good ability of resistance to hard water of sodium linoleate should be the reason that the sodium linoleate could float Ca²⁺-activated quartz better.
- Mineral processing engineering /
- Quartz /
- Flotation /
- Fatty acid /
- Ca²⁺-acitvated

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References

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