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Collecting Agent–Mineral Interactions in the Reverse Flotation of Iron Ore: A Brief Review

1
School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, China
2
School of Chemical Engineering, The University of Queensland, Brisbane, Queensland 4072, Australia
3
Henan Province Industrial Technology Research Institute of Resources and Materials, Zhengzhou University, Zhengzhou 450001, China
*
Author to whom correspondence should be addressed.
Minerals 2020, 10(8), 681; https://doi.org/10.3390/min10080681
Received: 28 May 2020 / Revised: 24 July 2020 / Accepted: 28 July 2020 / Published: 30 July 2020
(This article belongs to the Section Mineral Processing and Extractive Metallurgy)
Froth flotation has been widely used in upgrading iron ores. Iron ore flotation can be performed in two technical routes: direct flotation of iron oxides and reverse flotation of gangue minerals with depression of iron oxides. Nowadays, reverse flotation is the most commonly used route in iron ore flotation. This review is focused on the reverse flotation of iron ores, consisting of reverse cationic flotation and reverse anionic flotation. It covers different types of collecting agents used in reverse iron ore flotation, the surface characteristics of minerals commonly present in iron ores (e.g., iron oxides, quartz, alumina-bearing minerals, phosphorus-bearing minerals, iron-bearing carbonates, and iron-bearing silicates), and the adsorption mechanisms of the collecting agents at the mineral surface. The implications of collecting agent–mineral interactions for improving iron ore flotation are discussed. View Full-Text
Keywords: iron ore; reverse flotation; cationic collector; anionic collector; surface adsorption iron ore; reverse flotation; cationic collector; anionic collector; surface adsorption
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MDPI and ACS Style

Fan, G.; Wang, L.; Cao, Y.; Li, C. Collecting Agent–Mineral Interactions in the Reverse Flotation of Iron Ore: A Brief Review. Minerals 2020, 10, 681. https://doi.org/10.3390/min10080681

AMA Style

Fan G, Wang L, Cao Y, Li C. Collecting Agent–Mineral Interactions in the Reverse Flotation of Iron Ore: A Brief Review. Minerals. 2020; 10(8):681. https://doi.org/10.3390/min10080681

Chicago/Turabian Style

Fan, Guixia; Wang, Liguang; Cao, Yijun; Li, Chao. 2020. "Collecting Agent–Mineral Interactions in the Reverse Flotation of Iron Ore: A Brief Review" Minerals 10, no. 8: 681. https://doi.org/10.3390/min10080681

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