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cobalt recovery by flotation

cobalt recovery by flotation

Cobalt and nickel recovery from waste water. Regularities of cobalt and nickel ions precipitation from diluted solutions, similar with respect to these metals content in miningand smelting operations waste water, areHydrophobic precipitates, formed in this way, may be recovered by flotation in machines with low level of energy dissipation

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  • Recovery of copper and cobalt in the comparative

    Recovery of copper and cobalt in the comparative

    flotation tests in order to recovery copper and cobalt. This paper investigates the effect of potassium amyl xanthate (PAX) and sodium dibutyl dithiophosphate (DANA) performance on both copper and cobalt recovery in single roughing flotation. The effect of pH on the flotation is proposed. Some parameters were

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  • Cobalt and copper recovery from the ancient flotation

    Cobalt and copper recovery from the ancient flotation

    The ancient flotation tailings from Lefke, Cyprus, have a potential for non-ferrous metals such as cobalt and copper from more than 9.5 million tons of reserves containing 0.38% Cu, 0.032% Co, and 22.6% Fe. Recovery of cobalt and copper from these tailings can provide great benefits from economic and environmental perspectives

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  • US6428604B1 - Hydrometallurgical process for the recovery

    US6428604B1 - Hydrometallurgical process for the recovery

    A hydrometallurgical process for the recovery of nickel and cobalt values from a sulfidic flotation concentrate. The process involves forming a slurry of the sulfidic flotation concentrate in an acid solution, and subjecting the slurried flotation concentrate to a chlorine leach at atmospheric pressure followed by an oxidative pressure leach

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  • (PDF) Recovery of cobalt and copper through reprocessing

    (PDF) Recovery of cobalt and copper through reprocessing

    The flotation behaviours of malachite and heterogenite were studied through many roughing and cleaning flotation tests in order to recovery most of copper and cobalt

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  • 2-Recovery of Copper and Cobalt from Converter Slag

    2-Recovery of Copper and Cobalt from Converter Slag

    Recovery of Copper and Cobalt from Converter Slag with a New Flotation Method Using H2S 70 sulfuric acids [12, 13] with and without pressure [13], ferric chloride [8, 14, 15], ferric sulfate [7], cyanide, thiosulphate leaching [16], ferric sulfate and ammonia sulfate solutions [7, 12, 17, 18]. In this study, the flotation of converter slag was

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  • Significant Cobalt Recovery a Major Upgrade at the Hat

    Significant Cobalt Recovery a Major Upgrade at the Hat

    May 10, 2021 The initial flotation tests demonstrate that it is possible to produce a high gold, low cobalt-copper concentrate and a high cobalt, low gold pyrite concentrate

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  • Mineralogical Prediction of Flotation Performance for a

    Mineralogical Prediction of Flotation Performance for a

    That means that the copper-bearing particles are initially recovered, followed by carrollite in later stages of the flotation process. For cobalt, the maximum final grade was observed for sample S9 with 13.0% Co and a cobalt recovery of 66.5% while the highest final recovery was observed for sample S8 with 74.4% cobalt recovery and a final

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  • Hydrometallurgical process for the recovery of nickel and

    Hydrometallurgical process for the recovery of nickel and

    A hydrometallurgical process for the recovery of nickel and cobalt values from a sulfidic flotation concentrate. The process involves forming a slurry of the sulfidic flotation concentrate in an acid solution, and subjecting the slurried flotation concentrate to a chlorine leach at atmospheric pressure followed by an oxidative pressure leach

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  • A New Process for Cobalt Nickel Separation

    A New Process for Cobalt Nickel Separation

    excellent cobalt-nickel separation primary leach liquor by Cyanex 272. However, manganese extraction from the leach liquor along with cobalt could not be avoided, thus increasing the cost of the process. For sulphide ores, there is another alternative; if the ore can be concentrated by flotation, matte smelting is used instead of leaching

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  • Flotation of Nickel-Copper Sulphide Ore: Optimisation

    Flotation of Nickel-Copper Sulphide Ore: Optimisation

    recovery of Ni, while collector dosage and percentage solids were insignificant. None of the tested parameters significantly affected copper recovery whilst pH was found to also significantly affect cobalt recovery. Keywords: flotation, process optimization, Taguchi orthogonal array, ANOVA. 1. Introduction

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  • (PDF) Comparative Cleaning Stages in Recovery of Copper

    (PDF) Comparative Cleaning Stages in Recovery of Copper

    The flotation behaviours of malachite and heterogenite were studied through many roughing and cleaning flotation tests in order to recovery most of copper and cobalt

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  • NIOSHTIC-2 Publications Search - 10005518 - Continuous

    NIOSHTIC-2 Publications Search - 10005518 - Continuous

    Mineralogical analyses showed the cobalt present as a distinct mineral phase, predominately siegenite, amenable to a physical separation method such as froth flotation. Flotation was chosen for recovery because of easy adaptation by the mills

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  • Achieving High Flotation Recoveries from Browns

    Achieving High Flotation Recoveries from Browns

    The real cobalt recovery breakthrough comes from flash flotation of the whole mill discharge rather than the more usual flash flotation of cyclone underflow. Flash flotation tailings are ground to -38 microns and are floated under normal flotation conditions with only the scavenger concentrates being reground to 20 microns

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  • Continuous Flotation Testing To Recover Cobalt From

    Continuous Flotation Testing To Recover Cobalt From

    Mineralogical analyses showed the cobalt present as a distinct mineral phase, predominately siegenite, amenable to a physical separation method such as froth flota tion. Flotation was chosen for recovery because of easy adaptation by the mills. Unit processes of grinding, conditioning, and flotation were studied individually and in con

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  • Recovery of cobalt and copper through reprocessing of

    Recovery of cobalt and copper through reprocessing of

    Dec 01, 2013 The present research aims at recovering copper and cobalt through reprocessing of tailings from flotation of oxidised ores of copper and cobalt achieved at the Kambove Concentrator (DRC). It focuses on the determination of the reagents’ dosage that enables obtaining the highest recovery of copper (44.80%) and cobalt (88.30%) through flotation of the studied tailings

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  • NICKEL AND COBALT ORES: FLOTATION

    NICKEL AND COBALT ORES: FLOTATION

    Cobalt minerals are generally recovered as by-products during the extraction of zinc, copper, nickel,silver etc. Flotation of cobalt sulRde ores can be bestachieved at acidic pH (&4) with xanthate collectorsand at pH of about 7.5 for oxide ores with nitroso-naphthol chelating reagents, while their mixture isrecommended for oxidized sulRde ores

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