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Magnetic separation of ug2 ore

  • et al., 1991; - University of Pretoria
    et al., 1991; - University of Pretoria

    (Vermaak, 1995) is produced from UG2 ore by means of multistage size reduction and froth flotation. This concentrate is subjected to matte smelting, followed by a converting step. The next step is the separation of the base metals from the precious metals by hydrometallurgical treatment of the matte, or by magnetic separation of

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  • Platinum group metals in SA - Platinum Refineries
    Platinum group metals in SA - Platinum Refineries

    Since the mid '70s increasing tonnages of UG2 ore have been mined and treated by ... combination of magnetic separation and leaching processes. Problem elements such as selenium, arsenic and tellurium are also removed. ... Improved separation and refining procedures have become available for all of the

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  • Mineralogical characterisation of chromite in the UG2 Reef
    Mineralogical characterisation of chromite in the UG2 Reef

    However, given the energy cost of longer milling times, the cost of the depressant is likely to be insignificant. Moreover, the processing of the UG2 main seam ore affected by IRUP intrusion would also require a different approach to extraction

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  • ADVANCES IN MAGNETIC SEPARATION OF ORES
    ADVANCES IN MAGNETIC SEPARATION OF ORES

    magnetic separation. Dry Magnetic Separation of Iron Ore: There are many inherent advantages in processes that utilize dry magnetic separation to beneficiate iron ore. Wet concentration of magnetite ore, in comparison, re- quires 500 to 1000 gal of water per ton of concen- trate produced. This means extensive use of water

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  • The Merensky Reef and UG2 layers at De Wildt, western
    The Merensky Reef and UG2 layers at De Wildt, western

    Sep 02, 2010 Figure 17: Schematic borehole cross section depicting of the separation between Merensky Reef and UG2 across the De Wildt project area. In the intersections in which the UG2 reef was multi-layered, the top reef contact of the first UG2 chromitite unit was used for

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  • OVERVIEW OF PGM PROCESSING - Anglo
    OVERVIEW OF PGM PROCESSING - Anglo

    Ore (Merensky/ UG2/Platreef, 3-6 4E g/t) •Composite concentrate (100-500 4E g/t) •Tailings (to tailings ... (incl. Magnetic Concentration for some players) Precious Metal Refining •PGMs •Gold ... separation capability • Suitable PGM toll refining capacity • High PGM recovery

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  • Developments in the physical separation of iron ore
    Developments in the physical separation of iron ore

    Jan 01, 2015 Challenges and recent advances in magnetic separation. As high-grade iron ore resources become less and less due to the rapid increase in steel production, iron ore beneficiation is becoming more and more important. The complexity of new ores also makes the task more and more difficult. Recent advances in magnetic separation are summarized

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  • Improvement in Cr:Fe Ratio of Indian Chromite Ore
    Improvement in Cr:Fe Ratio of Indian Chromite Ore

    Jan 03, 2012 Similarly the magnetic separation technique was employed for Anka chromite ore which resulted improvement of Cr 2 O 3 to 48% with Cr:Fe ratio of 6.2 from the feed assaying 36.84% Cr 2 O 3 [7]. Significant work has been reported in the literature to improve Cr:Fe ratio of the low/off grade chromite

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  • parameter of magnetic separation - Arency Mining Machinery
    parameter of magnetic separation - Arency Mining Machinery

    magnetic separation of ug2 ore Magnetic separation efficiency was found to increase with particle size such that at 75 m a concentrate with up to 17.13% grade and 61.5% recovery was achieved. The advanced Falcon concentration was also observed to be mainly particle size dependent and at 45 m up to 17% grade and 60.3% recovery was achieved

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  • Characterisation of the Physical and Metallurgical
    Characterisation of the Physical and Metallurgical

    Ug2 ore sample contained mostly hematite grains of sizes between 10 to 90 μm, which contained dark contaminations and had a fine crystalline platy structure. Furthermore, the Ug3 and Ug4 samples had almost a pure grey hematite matrix, which contained low amounts of small size dark contaminations (lower number of impurities)

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  • Recovery of Pt and Pd from PGM Mine Tailings by Magnetic
    Recovery of Pt and Pd from PGM Mine Tailings by Magnetic

    High Gradient Magnetic Separation (HGMS) tests have been carried out on the leached residue of Witwatersrand (S.A.) gold ore to determine the performance of

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  • Beneficiation of South African chromite tailings using
    Beneficiation of South African chromite tailings using

    Magnetic separation is a technology or process that exploits the difference in magnetic properties between the ore minerals and is employed to separate valuable mineral from nonmagnetic gangues. All materials are affected in some way when placed in a magnetic field

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  • POTENTIAL CHANGES IN THE PHYSICAL BENEFICIATION
    POTENTIAL CHANGES IN THE PHYSICAL BENEFICIATION

    Merensky Ore UG2 ore Platreef ore % in ore $/t of ore mass % % in ore $/t of ore mass % % in ore $/t of ore mass % Ni 17500 0.13 22.75 62 0.07 12.25 80 0.36 63.00 67 Cu 8540 0.08 6.83 38 0.018 1.54 20 0.18 15.37 33 Total Base Metals 0.21 29.58 100 0.09 13.79 100 0.54 78.37 100 Total B Metals + PGM +Au

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  • Platinum is produced in South Africa by Amplats ... - MINTEK
    Platinum is produced in South Africa by Amplats ... - MINTEK

    The total cost of treatment of UG2 ore is claimed 24-25 to be considerably lower than for Merensky ore, for the following reasons. a) Mining costs are lower, mainly because of the higher relative density of the UG2 reef. The relative density of Merensky ore is 3.2 and that of UG2 ore is 4.3. 15. b) Crushing costs are lower because UG2 ore is

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  • Physical Beneficiation 2010-Past Events - SAIMM
    Physical Beneficiation 2010-Past Events - SAIMM

    May 04, 2010 Magnetic separation is key to the success of DMS by ensuring efficient recovery and recycle of the dense medium, namely magnetite and ferrosilicon. It features in iron ore recovery circuits and beneficiation of vanadium bearing magnetite. It is an important component in the concentration and separation of ilmenite, rutile and zircon

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  • Titanium Ore Processing and Beneficiation
    Titanium Ore Processing and Beneficiation

    May 09, 2016 Possibilities For All Flotation Treatment of Titanium Ore. To develop a flowsheet for separation of high grade titanium-rutile from ilmenite, that will meet market requirements. Rutile has a SG of 4.2, hardness 6.0 to 6.5 and is non-magnetic; while ilmenite has a SG of 4.5 to 5.0, hardness of 5.0 to 6.0, and is weakly magnetic

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  • Journal Comment - SciELO
    Journal Comment - SciELO

    Magnetic separation is important in the concentration and separation of ilmenite, rutile, and zircon, and is used for removing iron impurities from industrial minerals. As the name implies, this process entails separation of ore minerals from gangue on the basis of the difference in magnetic response. Low intensity

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  • Separation of Mixtures using Sublimation and Magnets
    Separation of Mixtures using Sublimation and Magnets

    Jul 14, 2021 Separation by a Magnet. The technique of separation by a magnet depends upon the process of separating components belonging to mixtures by the use of a magnet. It is used to attract magnetic materials. The basic principle behind this technique is that it detaches non-magnetic material apart from the magnetic ones

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  • Magnetic Separation and Iron Ore Beneficiation – IspatGuru
    Magnetic Separation and Iron Ore Beneficiation – IspatGuru

    Oct 04, 2018 Magnetic Separation and Iron Ore Beneficiation. Magnetic separation is an old technique for the concentration of iron ores and for the removal of tramp iron. Since 1849, a number of patents on magnetic separation have been issued in USA, and texts of some of the patents before 1910 describe a variety of magnetic separators for mineral processing

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  • Magnetic separation and extraction chrome from high
    Magnetic separation and extraction chrome from high

    Alteration of crystalline structure and magnetic property of these minerals enables separation of low-grade ore by using magnetic separation. It is found that low-grade ferruginous chromite ore

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  • Major Mines & Projects | Zandfontein (CRM) Mine
    Major Mines & Projects | Zandfontein (CRM) Mine

    Zandfontein UG2 TSF ... 2013, when the mine went on Care and Maintenance. The material in the TSF was primarily derived from the processing of UG2 Chromitite ore. The tailings deposited in the TSF, originated as fines after milling and extracting the PGEs concentrates. ... The Retreatment Project is the only large-scale magnetic separation

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