Hydrometallurgical preparation of high-grade industrial manganese compound from a low-grade spessartine ore by Cyanex®272 extractant

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dc.contributor.authorAbdulkareem, A. Y.
dc.contributor.authorBaba, A. A.
dc.contributor.authorRaji, M. A.
dc.contributor.authorAyinla, K. I.
dc.contributor.authorShuaib-Babaita, Y. L.
dc.contributor.authorSalaudeen, O. A.
dc.date.accessioned2021-10-12T11:01:23Z
dc.date.available2021-10-12T11:01:23Z
dc.date.issued2020-12-01
dc.description.abstractThis study highlights a hydrometallurgical method for the purification, extraction, and beneficiation of a multi-elemental leach liquor obtained via reductive leaching of spessartine ore, for the production of high-grade manganese compound. During these treatments, the effect of Cyanex®272 concentrations, pH, aqueous: organic (A/O) was quantified. At optimal conditions (Temperature = 27 ± 2°C, 0.2 mol/L Cyanex®272, pH = 4.5, A/O = 1:1), manganese extraction efficiency was >90%. The stripping of the loaded organic phase by 0.1 mol/L sulphuric acids yielded 95.7% in a single stripping stage. The resulting aqueous solution was appreciably beneficiated to produce manganese sulphate monohydrate (MnSO4.H2O: 49–315-9500, melting point = 702.8°C) via precipitation and crystallisation methods. Finally, a flow sheet summarising the analytical treatment steps was provided.en_US
dc.identifier.citationAbdulkareem A.Y. , Baba A. A., Raji M. A., Ayinla K. I., Shuaib-Babaita Y. L. & Salaudeen O. A. (2020): Hydrometallurgical preparation of high-grade industrial manganese compound from a low-grade spessartine ore by Cyanex®272 extractant, International Journal of Environmental Analytical Chemistry, 100(50), 1-10, Published by Taylor and Francis Ltd., Switzerland. Available online at https://www.tandfonline.com/doi/full/10.1080/03067319.2020.1855335 or https://www.tandfonline.com/action/showAxaArticles?journalCode=geac20 DOI: 10.1080/03067319.2020.1855335en_US
dc.identifier.urihttps://uilspace.unilorin.edu.ng/handle/20.500.12484/6582
dc.language.isoenen_US
dc.publisherTaylor and Franceen_US
dc.relation.ispartofseriesFull Terms & Conditions of access and use can be found at https://www.tandfonliInternational Journal of Environmental Analytical Chemistry;100(50), 1-10
dc.subjectSpessartine oreen_US
dc.subjectmanganeseen_US
dc.subjectmanganese sulphateen_US
dc.subjectsolvent extractionen_US
dc.subjectCyanex®272 extractanten_US
dc.titleHydrometallurgical preparation of high-grade industrial manganese compound from a low-grade spessartine ore by Cyanex®272 extractanten_US
dc.typeArticleen_US

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