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Flotation Of Nickel

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Flotation Of Nickel

Chapter 16: Flotation of Nickel and Nickel Copper Ores. 16.1 ORE TYPES AND MINERALOGY. There are more than 45 different nickel minerals, but only a few are of economic importance. Table 16.1 lists some of the most important nickel minerals. Nickel, in various ores can also be found in other minerals, such as pyrrhotite and various cobalt

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  • Selective sulphidation and flotation of nickel from a

    Selective sulphidation and flotation of nickel from a

    Dec 01, 2013 The absolute nickel recovery is based on the total nickel content of the ore, while the recoverable nickel is based on the amount of nickel sulphide present after sulphidation. The overall economics and suitability of the process relies on the total nickel recovery, whereas the flotation performance should be assessed on the recoverable nickel

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  • 16. Flotation of Nickel and Nickel–Copper Ores

    16. Flotation of Nickel and Nickel–Copper Ores

    The reagent practice in the flotation of nickel and copper–nickel ores depends on three basic factors: mineralogy of the ore, flowsheet employed in the treatment of a specific ore, and degree of

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  • [PDF] NICKEL AND COBALT ORES : FLOTATION | Semantic

    [PDF] NICKEL AND COBALT ORES : FLOTATION | Semantic

    Most of the world’s nickel is extracted from the mineral pentlandite, (Ni, Fe)9S8, which frequently occurs in ores containing predominantly pyrrhotite and various non-sulRdes, some of which contain magnesium (Table 1). The nickel content in such sulRde ores is generally low (0.2}3%) and varies from place to place in the same deposit. The low nickel content of the present-day nickel sulRde

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  • FLOTATION OF NICKEL SULFIDE ORES - DOW CHEM CO,US

    FLOTATION OF NICKEL SULFIDE ORES - DOW CHEM CO,US

    A method of concentrating nickel sulfide ores by flotation which comprises subjecting the ore in the form of a pulp to a flotation process in the presence of an effective quantity of a flotation collector comprising a dithiocarbamate compound corresponding to the formula ##SPC1## Wherein X is oxygen or sulfur and R is hydrogen or a hydrocarbon radical containing from 1 to 10 carbon atoms; R 1

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  • A Comparative Study of Kinetics of Flotation of a Copper

    A Comparative Study of Kinetics of Flotation of a Copper

    Flotation of a Canadian nickel ore by N-hydrocinnamoyl-N-phenyl hydroxylamine (HCNPHA), also called N-phenyl hydrochuiamohydroxamic acid (see Figure 1 for structure) and the comparison of performance of the synthetic collector with that of potassium amyl xanthate (PAX) are reported here. Such a comparison of a synthetic collector with that used

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  • FLOTATION OF LATERITIC NICKEL ORES - WESTON D,CA

    FLOTATION OF LATERITIC NICKEL ORES - WESTON D,CA

    A process for the beneficiation of nickel bearing laterite ores by means of froth flotation wherein a dispersed pulp of the ore is conditioned with a fatty acid type collecting agent either at an elevated pH to produce, following flotation, an enriched flotation tailing or at a reduced pH to produce, following flotation, an enriched flotation concentrate

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  • Flotation Behavior of Jinchuan High Grade Copper-Nickel

    Flotation Behavior of Jinchuan High Grade Copper-Nickel

    The useful minerals of Jinchuan high-grade copper and nickel suphfide ores were mainly nickel and copper, whose grade were respectively 1.42% and 1.01%. The content of MgO and SiO2, main gangue components, reached 57.89%. The key to improve the separation indexes of flotation concentrate was to inhibit the gangue minerals effectively, therefore, the effects of different kinds of regulators on

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  • Enhanced methods for nickel recovery from low-grade ores

    Enhanced methods for nickel recovery from low-grade ores

    The second stage of froth flotation produces a nickel concentrate of 10-20% Ni, along with other by-products and gangue. Smelting is the next stage, designed to recover as much metal as possible. Flash smelting is a common method: dry concentrates are fed into a furnace and heated to a liquid matte and slag. From this step, sulfide matte can be

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  • Copper-Nickel ores - Danafloat

    Copper-Nickel ores - Danafloat

    Some plants use bulk flotation in an acid pH environment which is achieved using SO2 or H2SO4. Separation of the bulk concentrate copper and nickel minerals is generally accomplished by flotation of the copper from pentlandite and nickel-bearing iron sulphides which report to the flotation tails

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  • Effect of pulp rheology on flotation of nickel sulphide

    Effect of pulp rheology on flotation of nickel sulphide

    (2012). Effect of pulp rheology on flotation of nickel sulphide ore with fibrous gangue particles. Canadian Metallurgical Quarterly: Vol. 51, No. 4, pp. 368-375

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  • NICKEL AND COBALT ORES: FLOTATION

    NICKEL AND COBALT ORES: FLOTATION

    3 rows gangue minerals, thus leading to nickel loss. Flotation Practice in Nickel Sul\de Deposits

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  • Nickel Ore processing - Yantai Jinpeng Mining equipment

    Nickel Ore processing - Yantai Jinpeng Mining equipment

    Nickel ore divides into copper sulfide and copper oxide ore , the main process for copper sulfide is flotation , magnetic and gravity separation is the subsidiary process .It is a high technological enterprise that integrated research , manufacture, sales and service . The company has multiple subsidiaries such as Mineral Processing Research Institute

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  • Flotation of Nickel-Copper Sulphide Ore: Optimisation of

    Flotation of Nickel-Copper Sulphide Ore: Optimisation of

    2. 2. Flotation Procedure All the flotation test-work was done using the Denver laboratory machine with a 1.5l stainless steel flotation cell. The required mass of nickel-copper sulphide ore material ground to 70% passing 75 m was weighed and placed in the flotation cell. This was followed by the addition of distilled water to about

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  • The Critical Role of Pulp Density on Flotation Separation

    The Critical Role of Pulp Density on Flotation Separation

    The results revealed that rheology, which is caused by pulp density, played a key role in flotation performance. The decline in density (from 40 wt % to 20 wt %) increased the nickel and copper recoveries from 70.7% to 79.5% and 82% to 85.4% respectively in the artificial mixture (1:1)

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  • Flotation behavior of nickel arsenide - ScienceDirect

    Flotation behavior of nickel arsenide - ScienceDirect

    Nov 01, 1986 Since nickel arsenide liberated nickel ion and arsenic ion by oxidation, a flotation test was carried out by removing the supernatant solution by decantation and replacing with distilled water prior to conditioning with KBX

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  • Biosorptive flotation of nickel and aluminum ions from

    Biosorptive flotation of nickel and aluminum ions from

    Sep 15, 2011 Air flotation is an efficient way to separate light particulates and oils from wastewaters. Nickel (II) and aluminum (III) removal by the combined biosorption and flotation process named biosorptive flotation was studied in laboratory scale. The Rhodococcus opacus strain was used to assist the removal of the toxic metals by biosorption. The effects of relevant parameters such solution pH, uptake capacity, time and air flow rate flotation

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