processing of lateritic nickel ore

  • The Rise of Nickel Laterites and Advances in Sulphide Processing

    PO Box 5778. St Georges Tce WA 6831. P: (+61 8) 9421 9000. F: (+61 8) 9325 8311. ABN 66 009 357 171. W: E: [email protected] A division of Midas Engineering Group. Nickel Ore Processing Trends. The Rise of Nickel Laterites and Advances in Sulphide. Processing 

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  • The Past and the Future of Nickel Laterites CiteSeerX

    Production of nickel from laterite ores has occurred for over 100 years beginning with processing of garnieritic ores from New Caledonia. However, until now the world nickel supply has been predominantly from sulfide sources. Going forward, the authors project that the production of nickel from sulfide ores will remain more 

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  • Nickel laterite processing technologies – (PDF Download Available)

    In the metallurgical extraction methods, nickel lateritic ore is generally processed through hydrometallurgy [8][9][10], pyrometallurgy [11], or a combination of both pyroand hydrometallurgy [12]. Until now, the hydrometallurgical process, especially High Pressure Acid Leaching (HPAL), has been effective for dissolving nickel 

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  • Thermodynamic analysis of the reduction process of Colombian

    Thermodynamic analysis of the reduction process of Colombian lateritic nickel ore. Sandra C. Díaz, Adriana Garcés, Oscar J. Restrepo, Misael A. Lara, Jesús E. Camporredondo. Universidad Nacional de Colombia, Facultad de Minas, sede Medellín, Carrera 65 N° 6320, Bloque 54 Medellín, Colombia. Universidad 

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  • high pressure sulphuric acid leaching of lateritic nickel ore

    Miner. Process. 53(1), 2017, 475−488. Physicochemical Problems of Mineral Processing ISSN 16431049 (print). ISSN 20844735 (online). Received July 11, 2016 reviewed accepted October 31, 2016. HIGH PRESSURE SULPHURIC ACID LEACHING. OF LATERITIC NICKEL ORE.

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  • Pressure Acid Leaching of Nickel Laterites: A Review: Mineral

    A review of the literature over the past 30 years on the processing of nickel laterites by high temperature acid leaching has been carried out to provide a better understanding of the mineralogy, leaching process chemistry and effect of operating conditions on nickel recovery, residue properties and scaling. Particular 

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  • dissolution kinetics of nickel from gördes (mani̇saturkey) lateritic

    properties, nickel is used as an important metal in producing of stainless steel and super alloys. Laterites are oxide ores widely distributed in the equatorial regions. Lateritic nickel deposits occur during laterization, namely, a weathering process of ultramafic rocks containing minerals such as olivine, pyroxene and 

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  • Attempts at the beneficiation of lateritic nickel ore ScienceDirect

    The processing of lateritic nickel ore is quite difficult, since the nickelbearing minerals are finely disseminated in the ore bodies. Hence the establishment of beneficiation techniques has long been needed. The authors carried out comprehensive research on concentrating lateritic nickel ore, looking for some means of 

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  • 1033 hydrometallurgical processing of nickel lateritic ores

    ica l pro c e s s ing of n ic k el lateritic ores, pp. 103. 3–10. 4. 7. HYDROMETALLURGICAL. PROCESSING OF NICKEL. LATERITIC ORES. Srećko R. Stopića, Bernd G. Friedrichb. RWTH Aachen University, Faculty of Georesources and Materials Engineering,. IME Process Metallurgy and Metal Recycling, Aachen, Germany.

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  • Nickel Sulfide Versus Laterite : The Hard User Web Pages

    are easier to process, through conventional mining, smelting and refining, compared to laterite ores which require intensive hydrometallurgical processing (such as high pressure acid leaching or HPAL). This means that laterite ores typically require substantially more energy and chemicals to produce than sulfide nickel.

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  • Ore mineralogy of nickel laterites: controls on processing

    The mineral phases in more than 50 Ni laterite ores were determined before and after the ores were acidleached in columns for more than 120 days. The selected ore samples have wide variations in initial chemical and mineralogical compositions and other properties, and their behaviour during treatment, including the 

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  • Extraction of Nickel, Cobalt and Iron from Laterite Ores by Mixed

    High iron (> 35 % Fe) limonitic ores can be treated by high pressure leach using sulfuric acid. An alternative process for the production of base metals (Ni, Co and Fe) from both high and low iron laterite ores is being developed by Process Research ORTECH Inc. (PRO), a world leader in the development of chloride 

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  • 1033 hydrometallurgical processing of nickel lateritic ores

    ica l pro c e s s ing of n ic k el lateritic ores, pp. 103. 3–10. 4. 7. HYDROMETALLURGICAL. PROCESSING OF NICKEL. LATERITIC ORES. Srećko R. Stopića, Bernd G. Friedrichb. RWTH Aachen University, Faculty of Georesources and Materials Engineering,. IME Process Metallurgy and Metal Recycling, Aachen, Germany.

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  • Effect of Microwave Heating on the Leaching of Lateritic Nickel Ore

    Apr 11, 2014 demonstrated that acid leaching was a convenient method for Ni extraction from lateritic ore. The higher dissolution and the higher Ni recoveries in the microwaveassisted leaching process were obtained in less leach time. Keywords: Nickel, Conventional leaching, Extraction, Microwaveassisted leaching.

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  • The nickel laterite challenge Australian Mining

    Jun 21, 2012 Whilst these near surface ores are relatively attractive from a mining perspective they are generally mineralogically complex and lower in nickel (and cobalt) grade presenting issues associated with developing economically attractive processing options. In the recent past the nickel laterite processing 

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  • Processing of Nickel Laterite Ores on the Rise

    Both hydrometallurgical and pyrometallurgical approaches are used to process nickel laterite ores, with the best approach depending on the ore composition.

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  • Lateritic nickel ore deposits Wikipedia

    A recent development in the extraction of nickel laterite ores is a particular grade of tropical deposits, typified by examples at Acoje in the Philippines, developed on ophiolite sequence ultramafics. This ore is so rich in limonite (generally grading 47% to 59% iron, 0.8 to 1.5% nickel and 

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  • Dissolution kinetics of a lateritic nickel ore in sulphuric acid medium

    of processing of lateritic nickel ores in various leach media. Direct sulphuric acid pressure leaching is the process to recover nickel and cobalt from lateritic ores. [3,9]. For that reason, in the literature, the majority of work [911] focused on the pressure acid leaching for nickel or cobalt extraction. Guo et al reported that 97 

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  • laterites – still a frontier of nickel process development ALTA

    increasingly have to come from low grade limonitic and saprolitic laterites with <1.5% Ni. • Commercially applied processes for low grade laterites are: – Caron Process: reduction roast – ammonia leach). – PAL (or HPAL) Process: high pressure sulphuric acid leaching. – EPAL Process: enhanced pressure acid leaching. 2 

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  • Nickel Sulfide Versus Laterite : The Hard Semantic Scholar

    are easier to process, through conventional mining, smelting and refining, compared to laterite ores which require intensive hydrometallurgical processing (such as high pressure acid leaching or HPAL). This means that laterite ores typically require substantially more energy and chemicals to produce than sulfide nickel.

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