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nickel smelting process

Oct 18 2019 · Nickel smelting is the process that nickel ore goes through to eventually remove impurities and leave just the nickel metal While the ores can come from different stones and sources they have two categories lateritic or rocks found in tropical climates and which contain nickel and sulfidic ore which is mined from underground

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    Nickel concentrates may be leached with sulfuric acid or ammonia or they may be dried and smelted in flash and bath processes as is the case with copper Nickel requires higher smelting temperatures in the range of 1350 °C 2460 °F in order to produce an artificial nickeliron sulfide known as matte

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    Sudbury Integrated Nickel Operations’ Smelter receives concentrates from its own mines as well as feeds from third parties which includes concentrates and other materials bearing nickel and cobalt as well as other pay metals These feeds are blended into the process at

  • Tecks CESL Nickel Process Advancing Towards a
    Tecks CESL Nickel Process Advancing Towards a

    Smelting and refining of massive sulphides begins with the flotation of ore typically in the range of 022 nickel to an acceptable concentrate grade of 10 to 20 nickel Concentrate smelting produces a high grade nickel matte which is then refined hydrometallurgically

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    Nickel Flash Smelting Total Materia Article

    Using nickel flash smelting technology it is possible to process sulfide nickel concentrate and produce nickel matte and slag in a relatively efficient process Any materials resulting as smelting and converting slags are recirculated in the electric furnace and recovered where possible as nickel matte

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    However flash smelting is an oxidizing process and as a result significant amounts of nickel and other metals are lost to slag Flash smelters are almost always accompanied either by an auxiliary electric settling furnace for the recovery of nickel from the slag or by an electrically heated appendage

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    1 Table I Annual Primary Ni Output LowFeMatte of World Nickel Sulfide Smelters Annual Ni Production Technology Country Plant from NMBF Flash Smelting Canada Copper Cliff 133400 Brazil Fortaleza 7000 Finland Harjavalta 38000 Russia Norilsk Nadezda 140000 China Jinchuan 65000 Australia Kalgoorlie 100000 Bostwana BCl 27400 Subtotal 510800 Electric Furnace Smelting

  • Tecks CESL Nickel Process Advancing Towards a
    Tecks CESL Nickel Process Advancing Towards a

    makes them more challenging to process economically Smelting and refining of massive sulphides begins with the flotation of ore typically in the range of 022 nickel to an acceptable concentrate grade of 10 to 20 nickel Concentrate smelting produces a high grade nickel matte which is then refined hydrometallurgically

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    Ferronickel an overview ScienceDirect Topics

    Industrially the process is done either during dephosphorization or after dephosphorization and desulfurization 743 Chromium Chromium is present in ferronickel arising from smelting furnaces that operate with high contents of carbon in the feed The chromium content in this type of ferronickel can be up to 17 Bergman 2003It is removed during carbon oxidation with little loss of nickel

  • Flash Smelting Process  Outotec
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    Nickel smelting and refining A long road ahead for Indonesia

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    Using nickel flash smelting technology it is possible to process sulfide nickel concentrate and produce nickel matte and slag in a relatively efficient process Any materials resulting as smelting and converting slags are recirculated in the electric furnace and recovered where possible as nickel matte

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    Industrially the process is done either during dephosphorization or after dephosphorization and desulfurization 743 Chromium Chromium is present in ferronickel arising from smelting furnaces that operate with high contents of carbon in the feed The chromium content in this type of ferronickel can be up to 17 Bergman 2003It is removed during carbon oxidation with little loss of nickel

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