froth flotation of silicate minerals

  • 1 Froth Flotation – Fundamental Principles

    Froth flotation can be adapted to a broad range of mineral separations, as it is possible to use chemical treatments to selectively alter mineral surfaces so that they have the necessary properties for the separation. It is currently in use for many diverse applications, with a few examples being: separating sulfide minerals from silica gangue ...

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  • US4732667A - Process and composition for the froth ...

    A process and composition are provided for the froth flotation beneficiation of iron minerals from iron ores containing silicate and phosphate minerals, comprising as collectors a combination of a primary amine and a nitrogen compound containing an anionic group selected from methylene carboxylic acid, ethylene phosphoric acid and methylene phosphonic acid.

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  • The method of froth flotation of ores of metals

    there is a method of froth flotation of ores of metals containing easily platerowane silicate minerals and at least one valuable mineral, including grinding the original ore, mixed with water crushed ore to the formation of the aqueous mineral slurry, introducing the slurry of frother and collector of valuable minerals, conditioning and flotation

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  • Improvement of the froth flotation of LiAlO2 and melilite ...

    Oct 14, 2021 · In addition, during the froth flotation in water an electrical charge equilibrium is formed 20, 21 and different oxides and silicate minerals are partially dissolved, resulting in a change of the...

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  • A Correlation Between Surface Phenomena and Flotation in ...

    Aug 22, 2019 · Flotation of Silicate Minerals. On the basis of the previous discussion of sorption phenomena for silicate minerals, we are in a good position to study and explain the behavior of silicate minerals in froth flotation. Many investigators (Eigeles, 1960, 1961; Berlinskii, 1962; Choi and Oh, 1965) have studied the flotation properties of silicates ...

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  • Selective flotation of silicates and Ca-bearing minerals ...

    Oct 01, 2012 · Highlights Flotation of pure minerals constituting the gangue of rare metal low grade ores was performed. Mixed collector synergetic effects confirmed for silicates and Ca-minerals flotation. Selective separation of palygorskite from silicates and Ca-minerals is achieved at pH 8. Reagents consumption lowered with addition of non-ionic reagent for biotite–muscovite flotation.

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  • Recovery of rare earth elements minerals from iron oxide ...

    Oct 01, 2019 · Froth flotation of the preconcentrates was carried out using sodium oleate and hydroxamic acid as collectors in the presence of sodium silicate and starch as depressants.

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  • The Inadvertent Activation of Silicate Minerals Flotation ...

    Download Citation | The Inadvertent Activation of Silicate Minerals Flotation and Their Depression in Molybdenite Beneficiation | The Wushan Operation has been studied as a case study ...

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  • The method of froth flotation of ores of metals

    There is a method of froth flotation of ores of metals containing easily platerowane silicate minerals and at least one valuable mineral, including grinding the original ore, mixed with water crushed ore to the formation of the aqueous mineral slurry, introducing the slurry of Frother and collector of valuable minerals, conditioning and ...

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  • A Correlation Between Surface Phenomena and Flotation in ...

    Aug 22, 2019 · Flotation of Silicate Minerals. On the basis of the previous discussion of sorption phenomena for silicate minerals, we are in a good position to study and explain the behavior of silicate minerals in froth flotation. Many investigators (Eigeles, 1960, 1961; Berlinskii, 1962; Choi and Oh, 1965) have studied the flotation properties of silicates ...

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  • FLOTATION OF SILICATES FROM ORES - Akzo Nobel Chemicals ...

    We claim: 1. A process for enriching a mineral from a silicate-containing ore by carrying out a froth flotation in the presence of polyester polyammonium based compound collecting or co-collecting agent and a froth modifier, wherein said froth modifier is selected from the group consisting of at least one of the compounds of general formula I or mixtures thereof: wherein X is C1-C3 alkyl; R is ...

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  • Flotation of rare earth minerals from silicate–hematite ...

    Apr 01, 2016 · 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 minerals and nontronite clay) and hematite was investigated using tall oil fatty acids (Aero 704, Sylfat FA2) as collector. The RE minerals are enriched with Fe.

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  • Froth Flotation Process - Detailed Explanation With ...

    Froth flotation is an important concentration process that can be used to selectively separate hydrophobic materials from hydrophilic waste gangue. In a more simple context, froth flotation is one of the most popular operational processes for mineral beneficiation. In ore/mineral beneficiation, froth flotation is a method by which commercially ...

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  • Special Issue "Progress of Reagents in Minerals Flotation"

    The suitable silicate minerals flotation conditions occurs, most likely, due to upstream bulk flotation regarding the usage of novel collectors and metal cations bearing process water. The flotation of silicate minerals can be diminished by the implementation of water glass and regrinding.

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  • US4772382A - Froth flotation of bastnaesite - Google Patents

    A process is described for the mineral separation of rare earth metal compounds, such as bastnaesite, contained in oxidic minerals. The process is a froth flotation process utilizing a novel collector emulsion, which is an emulsified mixture of: a secondary amine modified sulphonated fatty acid, a high rosin containing tall oil fatty acid, an anionic petroleum sulphonate, and a high molecular ...

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  • Froth flotation of rutile – An overview - ScienceDirect

    Mar 15, 2021 · Sometimes, flotation is used as a subsequent and/or complementary stage in an effort to achieve a cleaner product. For eclogite type of rutile ores, besides physical separation approaches, froth flotation is seen as an efficient technique applied for separating rutile from associated gangue minerals (

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  • Flotation Reagents - Mineral Processing & Metallurgy

    Jun 08, 2016 · The function of frothers in flotation is that of building the froth which serves as the buoyant medium in the separation of the floatable from the non-floatable minerals. Frothers accomplish this by lowering the surface tension of the liquid which in turn permits air rising through the pulp to accumulate at the surface in bubble form.

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  • Sileach process is potentially to lithium what froth ...

    Feb 23, 2016 · The Sileach process is readily adaptable to other silicate minerals also and has been developed to reduce the cost of producing lithium chemicals from materials that have traditionally been roasted, with very high energy costs, to recover the lithium. ... “The Sileach process is potentially to the lithium industry what froth flotation is to ...

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  • Recovery of phosphate minerals from plant tailings using ...

    flotation cell in the presence of different reagents. These reagents include sodium silicate which is a commercially-used gangue dispersant and in-house synthesized novel gangue depressant, Hy-PAM. Moreover, several influencing parameters such as solid contents of the flotation pulp, pulp pH and pulp residence time were investigated to optimize the

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  • Froth flotation - Wikipedia

    Froth flotation is a process for selectively separating of hydrophobic materials from hydrophilic.This is used in mineral processing, paper recycling and waste-water treatment industries. Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century.

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  • (PDF) Reverse cationic flotation of iron ores with complex ...

    Froth flotation of iron ores is one of the most widely used methods to upgrade iron ore into highgrade concentrates. In recent years, reverse cationic flotation of iron ores has been specifically ...

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  • Surface characterization and froth flotation of ...

    A most common depressant group used in RE mineral flotation includes sodium silicate, sodium hexafluorosilicate, lignin sulfonate, and sodium carbonate (Houot et al., 1991). Sodium silicate has been reported as having a week affinity for RE minerals at low dosage but a much higher affinity for silicate gangue minerals (Houot et al., 1991).

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  • The Inadvertent Activation of Silicate Minerals Flotation ...

    Download Citation | The Inadvertent Activation of Silicate Minerals Flotation and Their Depression in Molybdenite Beneficiation | The Wushan Operation has been studied as a case study ...

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  • Sileach process is potentially to lithium what froth ...

    Feb 23, 2016 · The Sileach process is readily adaptable to other silicate minerals also and has been developed to reduce the cost of producing lithium chemicals from materials that have traditionally been roasted, with very high energy costs, to recover the lithium. ... “The Sileach process is potentially to the lithium industry what froth flotation is to ...

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  • Modeling and optimization of froth flotation of low-grade ...

    as an example of phosphate and silicate minerals, respectively. Results obtained from mixed minerals flotation showed that quartz’s recovery and grade were ~90% and ~64% when HMLHF was used at pH 11. When THAI was used, the recovery and grade of quartz were 87% and 70.3%, respectively, compared with 87% and 65.3% when commercial

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  • Froth Flotation - Metallurgist & Mineral Processing Engineer

    Froth Flotation Froth flotation is one of the most versatile and flexible of all mineral separation processes. Reasonable results are fairly easy to obtain but outstanding performance from a circuit requires constant attention and good understanding of the process and ore. Some of the variables that affect the operation and

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  • Froth Flotation Handbook - Mineral Processing & Metallurgy

    Mar 28, 2016 · 2.1 Agents which tend to produce a voluminous froth: 2.2 Agents which tend to enhance selection of sulphide minerals: 2.3 Agents which tend to make stiff froths: 3 Tests for a process for treatment of an ore. 4 The procedure for preliminary testing, then, should be as follows: 5 Flotation Testing of Oxidized Ores.

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  • Froth Flotation Process | Mineral Processing | Froth ...

    Jul 08, 2015 · Recently I visited a Rock-Phosphate Plant wherein I saw the Flotation Process in Operation. Here is small video of the Flotation Process.For more videos rela...

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  • Recovery of phosphate minerals from plant tailings using ...

    flotation cell in the presence of different reagents. These reagents include sodium silicate which is a commercially-used gangue dispersant and in-house synthesized novel gangue depressant, Hy-PAM. Moreover, several influencing parameters such as solid contents of the flotation pulp, pulp pH and pulp residence time were investigated to optimize the

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  • Froth flotation method for recovery of minerals ...

    Froth flotation method for recovery of minerals. United States Patent 3909399. An improved method in concentration of oxide ores by froth flotation process which comprises subjecting an oxide ore of a metal which can change the valency state from lower to higher by the action of inorganic oxidizing compounds in the presence of an effective ...

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  • Recognition of flotation working conditions through froth ...

    Feb 01, 2016 · 1.Introduction. Froth flotation, a highly versatile method used to selectively separate hydrophobic from hydrophilic materials, is a complex and poorly understood phenomenon; this process is difficult to robustly and optimally control because of its inherent chaos and upsets (Bergh and Yianatos, 2011).The appearance of the froth surface in the flotation machine can be used as an effective ...

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  • (PDF) Reverse cationic flotation of iron ores with complex ...

    Froth flotation of iron ores is one of the most widely used methods to upgrade iron ore into highgrade concentrates. In recent years, reverse cationic flotation of iron ores has been specifically ...

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  • Froth Flotation of Iron Ores - CSIRO Publications

    interactions, it was found that sodium silicate, a standard dispersant widely used in iron ore flotation for silicate gangue minerals, is inadequate to disperse kaolinite[35]. A low molecular weight polyacrylic acid was found to induce full dispersion of kaolinite particles, in the presence of calcium and magnesium ions in alkaline pulp[34].

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  • An Overview of Calcite Recovery by Flotation | SpringerLink

    Sep 23, 2020 · A tremendous amount of research has been performed on refining the flotation process for calcite ores and designing the reagents (specifically, collectors) to increase the efficiency of the process. Metal sulphide/silicate impurity minerals can be removed by the froth-flotation process using amines and xanthate collectors.

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  • flotation mineral processing equipment

    Flotation - Mineral Processing. Overview. Flotation is an economical and effective separation of refined gold technology, especially for these ores that are not suitable for other processes, such as gold-bearing copper ore, base metal ore, copper-nickel ore, platinum group ore, etc. Flotation is also used to remove impurities before hydrometallurgical treatment (ie, carbon ...

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