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The influence of metal ions on the adsorption of octyl …

collectors and inhibitors to improve the separation effect of bastnaesite and associated minerals (Cao et al., 2019; Qi et al., 2020; Wang et al., 2020; Yu et al., 2020). In addition, Liu et al. …

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Recovery of Xenotime and Florencite …

Fatty acid collectors are widely used in the flotation of rare earth minerals due to their high collecting performance and availability. However, during the flotation …

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A Century of Research Leading to Understanding …

The design and development of selective flotation collectors has been the key to the remarkable success of flotation in beneficiating complex, difficult-to-process ores. Sustained research efforts in the field over the past …

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Flotation of rare earth minerals from silicate–hematite ore using …

The flotation of rare earth (RE) minerals (i.e. xenotime, monazite-(Nd), RE carbonate mineral) from an ore consisting mainly of silicate minerals (i.e. primary silicate …

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Rare Earth Ore Flotation Principles and Kinetics: Significance …

Approximately 250 rare earth minerals (REMs) are known but vary in their composition as solid solutions. Because REEs have similar properties, REMs are usually …

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THE APPLICATION OF FLORREA 8920, A NEW …

COLLECTOR FOR THE FLOTATION OF RARE EARTH MINERALS A. Jordens1, Y. Zhiyong2, and *F. Cappuccitti3 1Department of Mining and Materials ... far the most important collector …

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Collector Chemistry for Bastnaesite Flotation

phosphonate, and phosphate as collectors for the flotation recovery of the rare earth (RE) mineral, bastnaesite, including selectivity considerations with respect to separation …

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Review of Flotation and Physical Separation of …

The flotation process is considered one of the most important techniques to separate rare earth minerals from associate minerals and is commonly applied to the beneficiation of rare earth ores.

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Study on Rare Earth Minerals Flotation with New Collector

The paper studies the flotation process of native Rare Earth minerals such as: bastnasite, monazite, mixed minerals of bastnasite and monazite, respectively, using the new effective …

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Composite Collectors for the Flotation …

Alkaline rock-type rare-earth (RE) ores have significant utilisation value. However, the exploitation of such resources faces great challenges owing to the complex …

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Affinities of solvated rare earth cations with collectors and mineral …

Based on the prominent gangue minerals in typical REE deposits, it is expected there will be prominent amounts of dissolved Ca 2+, Al 3+ and Fe 2+/3+ species present …

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A new collector for rare earth mineral flotation

A literature review was conducted to summarize the types of minerals containing rare earth elements, their chemical composition, surface characteristics, adsorption …

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Designer molecules may help valuable minerals float

Researchers captured atomic-level insights on the rare-earth mineral monazite to inform future design of flotation collector molecules, illustrated above, that can aid in the …

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A review of reagents applied to rare-earth mineral flotation

Rare-earth mineral (REM) deposits can be broadly classified into four geological environments: carbonates, alkaline/peralkaline igneous rocks, placers and ion adsorption clays. Apart from …

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Rare Earth Ore Flotation Principles and Kinetics

The parametric models identified ideal flotation conditions that optimized the recovery of rare earth minerals using the novel collectors; when the same experiments were …

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Flotation of rare earth minerals from silicate

Fatty acids, especially sodium oleate, have been reported in the literature as collectors used in the flotation of phosphate [8], rare earth minerals [9], fluorite, calcite and …

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Rare Earth Flotation Fundamentals: A …

A new collector for rare earth mineral flotation. Minerals Engineer ing, 10 (12), 1395 ...

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A review of rare earth minerals flotation: Monazite and xenotime

This paper reviews rare earth minerals (monazite and xenotime) separation by flotation.A wide range of monazite and xenotime flotation test results are summarized …

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Mineral Processing of Rare Earth Ores | SpringerLink

The flotation of rare earth minerals is broadly classified into two categories, such as carbonate mineral (bastnaesite) flotation and phosphate mineral (monazite and xenotime) …

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A review of flotation reagents for bastnäsite-(Ce) rare earth …

Zhang [59] and Jordens [60] utilized lead nitrate and lead chloride as activators, respectively, and hydroxamic acid as the collector for rare earth mineral flotation. The lead …

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Flotation-magnetic separation for the beneficiation of rare earth …

The bulk fraction of the sulfide flotation was the feed for the rare earth flotation. The depressant, rare earth collector, and frother were added to the slurry to recover the rare earth …

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Rare Earth Flotation Fundamentals: A Review

Knowing the rare earth minerals are of semi-soluble nature, and form stable hydroxamate complexes, make them ideal for flotation with hydroxamates. In addition to fatty acids and …

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A review of rare earth minerals flotation: Monazite and Xenotime

This paper reviews rare earth minerals (monazite and xenotime) separation by flotation. A wide range of monazite and xenotime flotation test results are summarized …

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Ionic-liquid collectors for rare-earth minerals flotation …

Parallel to this, micro-flotation tests of a rare-earth ore containing bastnäsite and monazite minerals were found in line with [N 4444][DEHP] stronger collecting power towards …

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A review of reagents applied to rare-earth mineral flotation

The efficiency of fatty acids (Aero 704, Sylfat FA2) in rare earth flotation is reported in the literature by studies carried out with xenotime and monazite, with silicate minerals and …

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Rare Earth Mineral Flotation | domain

The primary rare earth minerals processed commercially are bastnäsite, monazite, and xenotime. One of the primary separation techniques used to beneficiate rare earth minerals is froth flotation because it allows the …

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Investigating the use of an ionic liquid for rare earth mineral flotation

Common collectors for rare earth mineral (REM) flotation, which include carboxylates and hydroxamates, face problems such as being non-selective and sensitive to impurity ions. …

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An evaluation of hydroxamate collectors for malachite flotation

While the vast majority of the work to date investigating the flotation of minerals with hydroxamate collectors focuses on the use of alkyl hydroxamates, Xia, et al. (2014) [21] …

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Hydroxamate Collectors for Rare Earth Minerals Flotation

Development work to optimize a flotation flowsheet for rare earth element (REE) recovery is underway. The original approach used alkyl phosphates and phosphoric acid ester …

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Rare earth elements resources and beneficiation: A review

Ionic-liquid collectors for rare-earth minerals flotation-Case of tetrabutylammonium bis (2-ethylhexyl)-phosphate for monazite and bastnäsite recovery. Colloids Surf. A: …

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Flotation of rare earth minerals from silicate–hematite ore …

The flotation of rare earth (RE) minerals (i.e. xenotime, monazite-(Nd), RE carbonate mineral) from an ore consisting mainly of silicate minerals (i.e. primary silicate …

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Rare Earth Elements Recovery from Primary and …

It was found that most REM flotation research works focused on finding better collectors and depressants while, for recycling, studies on advanced flotation techniques like froth flotation, ion flotation, solvent sublation, …

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Barite resources, production and recovery using froth flotation…

Some disadvantages of using this type of collector are that the gangue minerals such as calcite, and fluorite present similar flotation responses because they can form …

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Rheological properties of rare earth minerals flotation pulp …

In a flotation pulp without anions, the forces between rare earth mineral particles are predominantly repulsive. However, the zeta potential of the mineral particles is …

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