Interaction mechanisms of typical collectors with zircon surfaces and their influence on surface morphology and hydrophobicity for selective flotation

He, Jianyong; Zhang, Yun; Wang, Feifan; Wu, Yunxia; Cao, Yijun; Li, Guosheng; Gao, Zhiyong

doi:10.1016/j.apsusc.2023.158941

Applied Surface Science

2024

DOI: 10.1016/j.apsusc.2023.158941

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Interaction mechanisms of typical collectors with zircon surfaces and their influence on surface morphology and hydrophobicity for selective flotation

Jianyong He,

Yun Zhang,

Feifan Wang

et al.

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2024

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Cited by 2 publications

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Selectively improves chalcopyrite hydrophobicity to achieve copper and arsenic separation: Interfacial reaction and application research

Dong,

Liu,

Chen

et al. 2024

Applied Surface Science

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Selectively improves chalcopyrite hydrophobicity to achieve copper and arsenic separation: Interfacial reaction and application research

Dong,

Liu,

Chen

et al. 2024

Applied Surface Science

View full text Add to dashboard Cite

Selective Inhibition Mechanisms of Fe(III) in the Flotation of Lepidolite

Wang,

Liu,

Zhang

et al. 2024

Minerals

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Lepidolite, crucial for lithium extraction, is primarily processed through flotation. However, conventional flotation inhibitors pose environmental challenges. This study introduces Fe(III) as a selective and eco-friendly inhibitor in lepidolite flotation. We investigated its impact on flotation performance and interaction mechanisms with feldspar, quartz, and lepidolite. Adsorption studies revealed that dodecylamine (DDA) selectively adsorbs onto lepidolite when Fe(III) is present. Consistent contact angle and flotation results showed reduced hydrophobicity and recovery rates for feldspar and quartz, with minimal impact on lepidolite. Zeta potential measurements indicated lower potentials for feldspar and quartz compared to lepidolite. Notably, the addition of Fe(III) altered the isoelectric points of quartz and feldspar, suggesting stronger Fe(III) adsorption on these minerals. Infrared spectroscopy and X-ray photoelectron spectroscopy confirmed reduced DDA adsorption on feldspar and quartz surfaces due to Fe(III) adsorption, while DDA adsorption on lepidolite remained largely unaffected. The mechanism underlying Fe(III)’s selective inhibition on feldspar and quartz involves their more negative surfaces compared to lepidolite, which facilitates Fe(III) adsorption and inhibits DDA adsorption. This study offers insights into mechanisms relevant to systems using metal ions as depressants, providing valuable references for similar research.

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Interaction mechanisms of typical collectors with zircon surfaces and their influence on surface morphology and hydrophobicity for selective flotation

Cited by 2 publications

References 28 publications

Selectively improves chalcopyrite hydrophobicity to achieve copper and arsenic separation: Interfacial reaction and application research

Selectively improves chalcopyrite hydrophobicity to achieve copper and arsenic separation: Interfacial reaction and application research

Selective Inhibition Mechanisms of Fe(III) in the Flotation of Lepidolite

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