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Utility of bioreagents in mineral processing

Somasundaran, P and Deo, N and Natarajan, KA (2000) Utility of bioreagents in mineral processing. In: Minerals and Metallurgica Processing, 17 (02). pp. 112-115.

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Biological processes have recently become more attractive in hydrometallurgy and mineral processing due to their lower operating costs, potential for processing low-quality ores and flexibility. Adhesion of microbes and their metabolic products can modify the particles to render them hydrophobic or hydrophilic. Such modifications of the surface properties are used in flotation and flocculation of minerals. Microbes are also able to dissolve different precious metals from their ores. In this paper the role of microbes and their metabolic products as surface modifying reagents in extraction processes is discussed. In addition, the ability of certain microbes to adsorb toxic metal ions or to degrade toxic chemicals discharged by industries is examined.

Item Type: Journal Article
Publication: Minerals and Metallurgica Processing
Publisher: Society of Mining Metallurgical Exploration
Additional Information: Copyright of this article belongs to Society of Mining Metallurgical Exploration.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 20 Nov 2009 07:36
Last Modified: 20 Nov 2009 07:36
URI: http://eprints.iisc.ac.in/id/eprint/18496

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