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Copper cobalt flotation

Apr 12, 2021

Jul 06, 2017 AU-2017421972-A1 chemical patent summary

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  • Mineralogical Prediction of Flotation Performance for a
    Mineralogical Prediction of Flotation Performance for a

    In this paper, flotation performance of copper and cobalt was linked to fundamental mineralogical data obtained from a standardized flotation batch experiment. The flotation kinetics of copper and cobalt was well fitted by a first-order rectangular distribution model, delivering flotation performance indexes obtained from experimental data

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  • (PDF) Flotation behavior of the oxidized copper-cobalt
    (PDF) Flotation behavior of the oxidized copper-cobalt

    The flotation by surface sulphidisation of the oxidized copper-cobalt-bearing ore from Kimpe (1.97% Cu; 0.66% Co) was studied in order to evaluate its behavior by the analysis of its most

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  • Flotation and Tailing Discarding of Copper Cobalt Sulfide
    Flotation and Tailing Discarding of Copper Cobalt Sulfide

    Sep 30, 2021 The mineral composition of copper–cobalt ores is more complex than that of copper sulfides, and it is also difficult to discard tailing efficiently in primary flotation for the fine-grained disseminated of ore. In this work, a mineral liberation analyzer (MLA) was employed to study the characteristics of minerals. As a significant mineralogical characteristic, the liberation

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  • Recent trends in the Gecamines copper-cobalt flotation
    Recent trends in the Gecamines copper-cobalt flotation

    The various copper-cobalt ores mined by Gecamines, together with typical plant applications and results, are briefly described. Intensive laboratory investigations have been undertaken in recent years to improve the metallurgical performances of the various concentrators. As a result of these tests, it was shown that the flotation of the siliceous oxide ores could be improved by

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  • A review of the beneficiation of copper-cobalt-bearing
    A review of the beneficiation of copper-cobalt-bearing

    Nov 01, 2019 Sulphidisation followed by flotation is the preferred beneficiation technique for oxidised copper-cobalt ores. • The integration of CPS systems into the flotation circuits can help minimise reagent overconsumption. • Application of selective flotation can help a concentrator to produce separate oxide and sulphide concentrates

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  • (PDF) Recovery of cobalt and copper through reprocessing
    (PDF) Recovery of cobalt and copper through reprocessing

    Sulphidising flotation of oxide copper–cobalt ores with sodium hydrosulphide used as sulphidising agent is common practice in Katanga, Democratic Republic of Congo.From laboratory investigations

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  • (PDF) Laboratory evaluation of the flotation response of a
    (PDF) Laboratory evaluation of the flotation response of a

    The recovery of copper and cobalt was performed using flotation to increase the concentration of copper and cobalt. Flotation of the oxidized ore was performed with fatty acid type Rinkalore

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  • (PDF) A Review of the Flotation of Copper Minerals
    (PDF) A Review of the Flotation of Copper Minerals

    Sulphide ores are the major sources of base metals like Copper, Lead, Zinc, Nickel and Cobalt. Beneficiation of. these base metal sulphide minerals is predominantl y

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  • Projects — Missouri Cobalt
    Projects — Missouri Cobalt

    Jan 08, 2022 Froth flotation is particularly effective in recovering cobalt, nickel and copper minerals from above ground ore stocks and underground ores. The MMPP is designed to handle 300-360 tons per day of feed and can produce 1000-1500 tons per month of feedstock for the Hydrometallurgy Refining Process

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  • Biological treatment of clarified wastewater from the
    Biological treatment of clarified wastewater from the

    Mar 31, 2021 It is interested in the biological treatment of clarified wastewater from the flotation of copper (Cu) and cobalt (Co) oxidized ores conducted in the region of Katanga (Bwapwa 2019; Shengo and Mutiti 2016 ). It specifically focuses on the design of a treatment scheme and on evaluating its effectiveness in removing inorganic and organic chemical

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  • (PDF) Improving the efficiency of oxide copper–cobalt ores
    (PDF) Improving the efficiency of oxide copper–cobalt ores

    The flotation by surface sulphidisation of the oxidized copper-cobalt-bearing ore from Kimpe (1.97% Cu; 0.66% Co) was studied in order to evaluate its behavior by the analysis of its most

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  • A New Application For Flotation Of Oxidized Copper Ore
    A New Application For Flotation Of Oxidized Copper Ore

    In this study, the flotation of oxidized copper ore obtained from Ergani Copper Mining Company in Turkey was performed. This ore contains 2.03% copper, 0.15% cobalt and 3.73% sulfur. An effective processing method has not been found to recover copper and cobalt from this ore, which has been stockpiled for 40-45 years in the idled plant. It was established that recovery

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  • Improving the efficiency of oxide copper–cobalt ores
    Improving the efficiency of oxide copper–cobalt ores

    Sulphidising flotation of oxide copper–cobalt ores has found widespread application at G camines, a state owned mining company operating in southern Katanga, Democratic Republic of Congo. Copper mineralisation in this area is mainly composed of malachite, sometimes with the presence of pseudomalachite and chrysocolla

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  • Copper-Cobalt ores - Danafloat
    Copper-Cobalt ores - Danafloat

    Bulk flotation sequence: Under the bulk flotation process, a bulk Cu-Co flotation concentrate is produced at natural pH with xanthate, dithiophosphate and/or MBT, particularly if the copper mineralization is chalcocite. Copper is separated from the cobalt in the bulk concentrate by raising the pH up to at least 11 which depresses the cobalt minerals. Cobalt depression can

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  • Flotation of mixed oxide sulphide copper-cobalt
    Flotation of mixed oxide sulphide copper-cobalt

    Jul 01, 2019 The evaluation of a range of collectors for concentrating copper and cobalt with flotation from a DRC ore containing a mixture of oxide and sulphide minerals is reported. The flotation process consists of a sulphide flotation stage followed by an oxide flotation stage with controlled potential sulphidisation

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  • (PDF) Recovery of cobalt and copper through
    (PDF) Recovery of cobalt and copper through

    Sulphidising flotation of oxide copper–cobalt ores with sodium hydrosulphide used as sulphidising agent is common practice in Katanga, Democratic Republic of Congo.From laboratory investigations

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  • Flotation of Nickel-Copper Sulphide Ore: Optimisation of
    Flotation of Nickel-Copper Sulphide Ore: Optimisation of

    the flotation recovery of Ni, Cu and Co from a nickel-copper sulphide ore. The effect on flotation performance of various parameters such as pH, collector dosage, % solids and depressant dosage at different levels was investigated. Therefore, the main objective of the study was to optimize the process

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  • Recovery of metal values from copper slags by
    Recovery of metal values from copper slags by

    In the flotation tests, a concentrate containing 39.34% Cu with 78.9 % Cu recovery can be obtained. On the other hand, copper and cobalt that remained in

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  • How to Recover Cobalt and Nickel from Copper
    How to Recover Cobalt and Nickel from Copper

    Dec 22, 2018 The best flotation results and substantial liberation were obtained after the copper concentrate had been reground 30 min, which gave an average particle size of 10 m. Reference is again made to figure 3, in which particle size, d, is plotted against the cumulative percent finer than d, as obtained from cyclosizer tests

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  • NICKEL AND COBALT ORES: FLOTATION
    NICKEL AND COBALT ORES: FLOTATION

    Developments in Flotation Flotation of Nickel Sul\de Minerals Collectorless Wotation It is known that chalcopyrite and pyrrhotite can be Soated without collectors at electrode potentials of #400 mV and #50 mV respectively, and pyrite does not Soat even at #700 mV. The underlying mechanism causing hy-drophobicity, although obscure, is attributed

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  • Copper Nickel Flotation
    Copper Nickel Flotation

    Jun 15, 2017 Scavenger flotation was fairly effective; it recovered almost half the copper content of the rougher tailings while returning to rougher flotation a froth that was almost equal to the ore in grade. The second and third cleaner cells, which were both single-cell units, were considerably more effective than the first cleaner; they increased the grade of the concentrates

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  • Continuous Flotation Testing To Recover Cobalt From
    Continuous Flotation Testing To Recover Cobalt From

    salable copper product and would involve a major capital investment in a leach and electrowinning plant to recover the copper and the lead from the leach liquor. In laboratory flotation research, the first attempt was to float the cobalt-bearing siegenite from the chalcopyrite.s This proved impossible except for some Halimond tube tests

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  • 2-Recovery of Copper and Cobalt from Converter Slag
    2-Recovery of Copper and Cobalt from Converter Slag

    Key words: Converter slag, flotation, copper, cobalt, sulphurization. 1. Introduction Copper slag is produced in large amounts in seven copper smelter plants in Chile, and it is estimated that around 4 million tons of slag are disposed every year and another 40 to 45 million tons are historically cumulated [1]

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  • Copper-cobalt HGMS for Mineral Processing
    Copper-cobalt HGMS for Mineral Processing

    In most cases, cobalt always exists at the form of associated minerals, among which copper-cobalt ores is the main source of cobalt. In practical applications, flotation is the common method to separate cobalt from copper-cobalt ore enrichment. However, copper-cobalt ores are characterized by complex composition, fine dissemination particle

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  • COBALT PROCESSING DEVELOPMENTS K G Fisher
    COBALT PROCESSING DEVELOPMENTS K G Fisher

    The copper flotation step is inherently inefficient for cobalt, with recoveries typically from 40% for oxides up to 80% for sulphides, so there is a substantial amount of cobalt contained in tailings dams that could be recovered – e.g. the Kolwezi Tailings Project

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  • RECOVERY OF COPPER FROM OXIDE COPPER ORE BY
    RECOVERY OF COPPER FROM OXIDE COPPER ORE BY

    RECOVERY OF COPPER FROM OXIDE COPPER ORE BY FLOTATION AND LEACHING Kiraz, Emirhan M.S., Department of Mining Engineering Supervisor: Prof. Dr. Mustafa mit Atalay December 2014, 65 pages The aim of this study was the recovery of copper from the oxide copper ore by froth flotation and agitating sulphuric acid (H 2 SO 4) leaching

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  • US6569224B2 - Hydrometallurgical process for the recovery
    US6569224B2 - 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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  • Copper Processing | Equipment, Process Flow, Cases - JXSC
    Copper Processing | Equipment, Process Flow, Cases - JXSC

    Aug 23, 2019 (6) Copper-cobalt ore. valuable components are copper, cobalt-containing pyrite. Flotation law of copper sulfide minerals (1) All iron-free copper minerals, such as chalcocite and covellite, are similar in floatability, and cyanide and lime have weaker inhibitory effects on them

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  • cobalt processing | Uses, Supply, & Facts | Britannica
    cobalt processing | Uses, Supply, & Facts | Britannica

    The most important sulfide sources, the copper-cobalt ores of Congo (Kinshasa) and Zambia, are processed in the conventional manner to produce a copper-cobalt concentrate. This is then treated by flotation to separate a cobalt-rich concentrate for treatment in the cobalt circuit

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