Physicochemical Problems of Mineral Processing; ISSN 2084-4735 2017

DOI: 10.5277/ppmp170204

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Reverse flotation of ultrafine magnetic concentrate by using mixed anionic/cationic collectors

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Cited by 6 publications

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阿拉伯胶在镜铁矿与绿泥石浮选分离中的选择性抑制作用

Wang,

Yang,

Hu

et al. 2023

J. Cent. South Univ.

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No abstract

阿拉伯胶在镜铁矿与绿泥石浮选分离中的选择性抑制作用

Wang,

Yang,

Hu

et al. 2023

J. Cent. South Univ.

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No abstract

A comparative study between the adsorption mechanisms of sodium co-silicate and conventional depressants for the reverse anionic hematite flotation

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et al. 2021

Separation Science and Technology

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Starch, dextrin, sodium silicate (SS), and recently sodium co-silicate (SCS) are the most known depressants for the depression of iron oxides through the traditional reverse flotation. However, all these depressants' adsorption mechanisms on the surface of iron oxides and their main associated minerals (silicate and phosphates) through the reverse anionic flotation did not yet been thoroughly investigated. For filling this gap, as a comparative investigation, this study implemented Fourier Transform Infrared Spectroscopy (FTIR), zeta potential measurement, and micro-flotation tests to determine the adsorption mechanisms of these depressants and explored their effects on the floatabilities of pure hematite, quartz, and fluorapatite. Micro-flotation test results illustrated that all the examined depressants could depress hematite in the presence of an anionic collector. Still, the efficiencies of SS and SCS were higher than those of starch and dextrin. SCS had the lowest depression effect on quartz, and fluorapatite floatability compared to other depressants. Surface analyses depicted that dextrin and starch decreased the collector adsorption on the fluorapatite surface, where SCS and SS had a negligible effect on its floatability. The co-existence of physical and chemical bonds created between dextrin/starch and fluorapatite was the reason for its depression through the anionic reverse flotation.

Concentration study of a specularite ore via shaking table, reverse flotation, and microwave-assisted magnetic separation

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³

et al. 2022

Particulate Science and Technology

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No abstract

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