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The Biogeochemistry of Biomining

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Geomicrobiology: Molecular and Environmental Perspective

Abstract

Biomining is a technology that harnesses the abilities of certain microorganisms to accelerate the dissolution of minerals, thereby facilitating the recovery of metals of value. In full-scale commercial operations, biomining currently mainly involves using consortia of acidophilic bacteria and archaea to bring about the oxidative dissolution of sulfide minerals. The major ore reserves of many base metals, such as copper and zinc, are sulfidic, and other valuable metals, such as gold and uranium, may also be associated with minerals such as pyrite (FeS2). Where the destruction of minerals leads to the target metal being solubilised, the process of oxidative dissolution is referred to as bioleaching, whereas if the metal become more accessible to chemical extraction but remains in an insoluble form, the process is known more correctly as biooxidation (Fig. 19.1).

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Acknowledgement

The author is grateful to the Royal Society (U.K.) for the provision of an Industrial Fellowship.

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Authors and Affiliations

  1. School of Biological Sciences, Bangor University, Deiniol Road, Bangor, LL57 2UW, UK

    David Barrie Johnson

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  1. David Barrie Johnson
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Correspondence to David Barrie Johnson .

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Editors and Affiliations

  1. Dept. Biology, University of New Mexico, Castetter Hall 167, Albuquerque, 87131-0001, USA

    Larry L. Barton

  2. , Faculty of Science, Dept. of Biochmistry, Masaryk University, Kortlarska 2, Brno, 611 37, Czech Republic

    Martin Mandl

  3. , Department of Microbial Ecology, Fac. of, University of Vienna, Althanstrasse 14, Vienna, A-1090, Austria

    Alexander Loy

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Johnson, D.B. (2010). The Biogeochemistry of Biomining. In: Barton, L., Mandl, M., Loy, A. (eds) Geomicrobiology: Molecular and Environmental Perspective. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-9204-5_19

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