International Journal of Mineral Processing and Extractive Metallurgy

Archive

Volume 4, Issue 2, June 2019

  • Magnesium Removal from Concentrated Nickel Solution by Solvent Extraction Using Cyanex 272

    Zhu Zhaowu, Zhang Jian, Yi Aifei, Su Hui, Wang Lina, Qi Tao

    Issue: Volume 4, Issue 2, June 2019
    Pages: 36-43
    Received: 4 May 2019
    Accepted: 10 June 2019
    Published: 25 June 2019
    DOI: 10.11648/j.ijmpem.20190402.11
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    Abstract: The refinery of mixed hydroxide precipitate (MHP) from nickel laterite processing by acidic re-leaching will generate a concentrated nickel solution containing some magnesium difficult to remove. Fluorite precipitation method is often used for nickel purification from magnesium contamination, causing serious risk of environmental pollution. Solvent... Show More
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  • Effluents Treatment Generated by Biolixiviation in the Extraction of Precious Metals through Selective Recovery of Iron, Copper and Zinc

    Zambrano Johanna, Zambrano Johnny

    Issue: Volume 4, Issue 2, June 2019
    Pages: 44-50
    Received: 16 July 2019
    Accepted: 12 August 2019
    Published: 2 September 2019
    DOI: 10.11648/j.ijmpem.20190402.12
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    Abstract: Bioleaching comprises the use of microorganisms for metal-extraction processes from sulphide ores. During these complex processes, sulphides are oxidized to sulphates with the generation of heat. As a result, gold, silver, and other precious metals are liberated from the sulphide matrix, improving their recovery after further processing. A drawback... Show More
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