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Flotation of pyrite sulfonate activator

Dec 27, 2021

May 01, 2018 The effect of sulfuric acid dosage on the flotation of oxidized pyrrhotite is illustrated in Fig. 3.The recovery of pyrrhotite increased rapidly from 32.14% to 42.41% with the ascending sulfuric acid dosage to 0.4 10 −3 mol/L, while pH value dropped to 3.88. When the dosage of sulfuric acid increased to 2 10 −3 mol/L, recovery had a steady growth along with

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  • Pyrite activation in amyl xanthate flotation with nitrogen
    Pyrite activation in amyl xanthate flotation with nitrogen

    Flotation results indicate that 50 ppm (6.8 10⁻⁵ mol/L) free cyanide sufficiently depressed pyrite flotation, while 9.5 10⁻⁴ mol/L lead ions substantially activated pyrite flotation

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  • Hydrophobic Agglomeration of Fine Pyrite Particles Induced
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    Sep 11, 2020 Flotation reagents can change the surface properties of minerals, leading to differences in the interaction between mineral particles and affecting the mutual aggregation or dispersion of particles. In this work, we studied the role of activator copper sulfate, collector butyl xanthate and frother terpineol in adjusting the potential energy of pyrite particles from the

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  • The depression of copper-activated pyrite in flotation by
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    The depression of pyrite flotation is normally difficult especially when pyrite is activated by copper ions. In this study, different biopolymers, modified

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    The effects of carboxyl, sulfonate, hydroxyl or thiourea functional groups attached to the polymers on the flotation recoveries of sphalerite and

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  • The depression of pyrite in selective flotation by
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    Oct 01, 2016 The depression of pyrite flotation by polysaccharides is due to the selective adsorption of polysaccharides polymers on pyrite surface. Bulut et al. (2011) investigated the depression effect of starch on pyrite flotation and found that starch was effective at a low dosage (1.7 mg L −1) and more pronounced at alkaline pH (10) than natural pH

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    Depression of lead-activated sphalerite by pyrite via

    Jun 15, 2020 Mixed sphalerite-pyrite flotation tests. In the flotation cell, 10 g of sphalerite and 10 g of pyrite were conditioned in 400 mL of distilled water for 3 min after adding the following reagents in sequence: 1 kg/t of Na 2 SO 3, 5 ppm of Pb 2+, 20 g/t KAX, and 20 L/L AEROFROTH 76A. 2.2.1.3

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  • FLOTATION CHARACTERISTICS OF ARSENOPYRITE by
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    after a possible addition of an activator or ... collectors of the sulfonate type that are currently used in the Chaillac plant. ... liberation appear to be hindering the cleanability of pyrite

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  • The surface features of lead activation in amyl xanthate
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  • Flotation recovery of pyrite as a function of pH with
    Flotation recovery of pyrite as a function of pH with

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    Jan 12, 2018 Flotation tests were carried out to investigate the influence of pyrite on the flotation behavior of sphalerite with CuSO 4 as the activator and butyl xanthate as the collector. The flotation recovery of sphalerite alone, and mixed with different proportions of pyrite, as a function of pH and flotation time are shown Figure 1

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  • Effects of Process Parameters on Selective Flotation of
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    increase in activator dosage from 0.25 kg/t to 0.5 kg/t resulted in decrease in zinc loss in the tailings from 65.5% to 1.8%. But a further increase in the activator dosage to 1.0 kg/t affected the flotation selectivity due to undesirable activation at higher dosage (Singh et al 1998). 429

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  • US5693692A - Depressant for flotation separation of
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    A new depressant for use in enhanced separation of polymetallic sulphides is described. The depressant agent is used in conjunction with conventional collector agents and frothing agents in the flotation separation of copper, nickel, lead, zinc sulphides by depressing iron sulphides such as pyrrhotite, pyrite and marcasite in the tailing

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  • The role of sodium sulfide in the flotation of pyrite
    The role of sodium sulfide in the flotation of pyrite

    Apr 01, 2018 To float pyrite depressed in copper flotation, sodium sulfide or sodium hydrosulfide is normally used to activate pyrite. Seaman et al. (2012b) found that in order to obtain 70% pyrite recovery, the dosage of sodium sulfide was required to be as high as 460 g/t in a copper-gold flotation plant

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  • Pyrite Flotation - Froth Flotation (Sulphide & Oxide
    Pyrite Flotation - Froth Flotation (Sulphide & Oxide

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  • Flotation Regulator: PH Regulators, Activators
    Flotation Regulator: PH Regulators, Activators

    Sep 26, 2021 It means adding an activator to activate it in order to select a certain mineral. When the pyrite is heavily oxidized, add sulfuric acid to dissolve the oxide film on the surface of the pyrite before the pyrite is selected to expose a

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  • Chapter 7 Electrochemical Control of Pyrite-Activation by
    Chapter 7 Electrochemical Control of Pyrite-Activation by

    flotation plants is to reject pyrite to produce a marketable grade concentrate. More recently, clean air regulations mandate pyrite removal from smelter feeds to reduce the emission of acid rain precursor. Pyrite, like a number of other sulfides, may be activated for more efficient flotation by interaction with dissolved heavy metals ions, e.g., Cu2+. Activation may be

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  • Flotation separation of pyrite from arsenopyrite
    Flotation separation of pyrite from arsenopyrite

    Jun 20, 2020 Flotation recovery of pyrite and arsenopyrite in the presence of copper ions and sodium carbonate as a function of the sodium humate concentration. C(NaBX) = 10 10 −5 mol/L; C(MIBC) =10 mg/L; C(Cu 2+ ) = 5 10 −5 mol/L; C(Na 2 CO 3 ) =30 mg/L; pH = 8.5

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    Flotation Reagents - Mineral Processing & Metallurgy

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  • (PDF) OPTIMISATION OF BARITE FLOTATION
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    after a possible addition of an activator or ... collectors of the sulfonate type that are currently used in the Chaillac plant. ... liberation appear to be hindering the cleanability of pyrite

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  • Copper Sulfate as Flotation Activator ... - 911 Metallurgist
    Copper Sulfate as Flotation Activator ... - 911 Metallurgist

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    Such a different trend in flotation behavior of the mixed sample from the flotation behavior of the single minerals was because the surface oxidation reaction of arsenopyrite, which was more affected by E H among the mixed arsenopyrite and pyrite, generated ferric arsenate, a hydrophilic compound, on the surface of arsenopyrite, resulting in

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    Lead hydroxyl compounds are known as rutile flotation of the traditional activated component, but the optimum pH range for flotation is 2–3 using styryl phosphoric acid (SPA) as collector, without lead hydroxyl compounds in slurry solution. In this study, Bi3+ ions as a novel activator was investigated. The results revealed that the presence of Bi3+ ions increased the surface

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  • (PDF) Reverse Flotation
    (PDF) Reverse Flotation

    Reverse Flotation. September 2018. DOI: 10.5772/intechopen.74082. In book: Energy Systems and Environment. Authors: Fatma Deniz zt rk. Fatma Deniz zt rk. This person is not on ResearchGate

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    The first flotation separation for the rejection of magnesite was reported by Doerner and Dwigh (1930s) [].Flotation of Mg carbonates is typically carried out by using fatty acids, since these collectors give insoluble complexes with all divalent cations [].Determination of the appropriate depressing reagents for sinking valuable minerals in the presence of collectors for carbonates

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    Aug 15, 2013 Sodium sulfide manufacturers as an inhibitor for the inhibition of sulfide ores are mainly two aspects generally considered one Na2S hydrolysis HS-HS-exclusion sulfide mineral surface itself while adsorbed xanthate adsorption on mineral surfaces to increase the hydrophilicity of the mineral surface the other hand, that not only act as a disincentive Na2S

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