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Collecting Agent–Mineral Interactions in the Reverse Flotation of Iron Ore: A Brief Review
Minerals ( IF 2.2 ) Pub Date : 2020-07-30 , DOI: 10.3390/min10080681
Guixia Fan , Liguang Wang , Yijun Cao , Chao Li

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.

中文翻译:

铁矿石反浮选过程中的收集剂-矿物相互作用:简要综述

泡沫浮选已广泛用于提纯铁矿石。可以通过两种技术路线进行铁矿石浮选:氧化铁的直接浮选和脉石矿物的逆浮选(伴有氧化铁的压裂)。如今,反向浮选是铁矿石浮选中最常用的途径。这篇综述的重点是铁矿石的反向浮选,包括反向阳离子浮选和反向阴离子浮选。它涵盖了用于反向铁矿石浮选的不同类型的收集剂,铁矿石中通常存在的矿物的表面特征(例如,氧化铁,石英,含氧化铝的矿物,含磷的矿物,含铁的碳酸盐和铁矿石)。含硅酸盐),以及收集剂在矿物表面的吸附机理。
更新日期:2020-07-30
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