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Microbially Induced Mineral Beneficiation

Chandraprabha, MN and Natarajan, KA (2010) Microbially Induced Mineral Beneficiation. In: Mineral Processing and Extractive Metallurgy Review, 31 (1). pp. 1-29.

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Abstract

The divergent role of microbes in the field of mineral processing starting from mining and beneficiation to efficient waste disposal has been well recognized now. The roles of various microorganisms and bioreagents in the beneficiation of minerals are illustrated in this paper. Various types of microorganisms useful in bringing about selective flotation and flocculation of various oxide and sulfide minerals are illustrated. Interfacial phenomena governing microbe-mineral interactions are discussed with reference to bacterial cell wall architecture, cell surface hydrophobicity, electrokinetic data, and adsorption behavior on various minerals. Applications of microbially induced mineral beneficiation are demonstrated with respect to beneficiation of iron ores, bauxite, limestone, and complex multimetal sulfides.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Taylor and Francis Group.
Keywords: bioreagents;microorganisms;mineral beneficiation;oxides; sulfides
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 03 Jun 2010 05:57
Last Modified: 03 Jun 2010 05:57
URI: http://eprints.iisc.ernet.in/id/eprint/28155

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