Effects and Mechanism of Four Low Molecular Organic Regulators on Dispersion Behavior of Fine Lepidolite Particles

DUAN Yuefeng; ZHANG Xu; ZHENG Yan; ZHU Guangli; CAO Yijun

doi:10.12476/kczhly.202311080585

2025 Vol. 46, No. 5

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Article navigation > Multipurpose Utilization of Mineral Resources > 2025 > 46(5): 11-18

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DUAN Yuefeng, ZHANG Xu, ZHENG Yan, ZHU Guangli, CAO Yijun. Effects and Mechanism of Four Low Molecular Organic Regulators on Dispersion Behavior of Fine Lepidolite Particles[J]. Multipurpose Utilization of Mineral Resources, 2025, 46(5): 11-18. doi: 10.12476/kczhly.202311080585

Citation:

DUAN Yuefeng, ZHANG Xu, ZHENG Yan, ZHU Guangli, CAO Yijun. Effects and Mechanism of Four Low Molecular Organic Regulators on Dispersion Behavior of Fine Lepidolite Particles[J]. Multipurpose Utilization of Mineral Resources, 2025, 46(5): 11-18. doi: 10.12476/kczhly.202311080585

Effects and Mechanism of Four Low Molecular Organic Regulators on Dispersion Behavior of Fine Lepidolite Particles

1.
Henan Laboratory of Critical Metals, Zhengzhou University, Zhengzhou, Henan 450001, China
2.
School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, Henan 450001, China
3.
School of Chemical Engineering, Zhengzhou University, Zhengzhou, Henan 450001, China

More Information

Corresponding author: ZHU Guangli, guanglizhu@zzu.edu.cn

Received Date: 08 November 2023

Publish Date: 25 October 2025

Abstract

Abstract

The effects and mechanism of four organic low molecular regulators tannic acid, oxalic acid, tartaric acid and citric acid on dispersion behavior of fine lepidolite were studied. Turbidity and apparent particle size test results showed that the four regulators were all beneficial to the enhanced dispersion of micro-grained lepidolite particles, and the dispersion ability of citric acid and tannic acid on lepidolite was stronger than oxalic acid and tartaric acid. The Zeta potential test showed that at the action of the regulator, the surface electronegativity of lepidolite was stronger, which increased the electrostatic repulsion force between the particles of lepidolite, and was beneficial to the dispersion of mineral particles. The EDLVO theoretical calculation showed that the total interaction energy between lepidolite particles was positive, and the interparticle force was repulsive, which was consistent with the turbidity and apparent particle size test results.
- mineral processing engineering /
- micro-fine /
- lepidolite /
- regulators /
- dispersion behavior /
- mechanism

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References

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