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Mn oxide as a contaminated-land remediation product

Published online by Cambridge University Press:  05 July 2018

J. Tourney ,
C. Dowding ,
F. Worrall ,
C. McCann ,
N. Gray ,
R. Davenport  and
K. Johnson
J. Tourney*
Affiliation:
School of Engineering, Durham University, South Road, Durham DH1 3LE, UK
C. Dowding
Affiliation:
Department of Earth Sciences, Durham University, South Road, Durham DH1 3LE, UK
F. Worrall
Affiliation:
Department of Earth Sciences, Durham University, South Road, Durham DH1 3LE, UK
C. McCann
Affiliation:
Institute for Research on Environment and Sustainability, Devonshire Building, University of Newcastle, Newcastle upon Tyne NE1 7RU, UK
N. Gray
Affiliation:
Institute for Research on Environment and Sustainability, Devonshire Building, University of Newcastle, Newcastle upon Tyne NE1 7RU, UK
R. Davenport
Affiliation:
School of Civil Engineering and Geosciences, Cassie Building, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
K. Johnson
Affiliation:
School of Engineering, Durham University, South Road, Durham DH1 3LE, UK
*
*E-mail: janette.tourney@durham.ac.uk
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Extract

Natural Mn oxides are an important component of biogeochemical cycles in many environmental settings. Mn oxides are strong oxidizing agents, facilitating the breakdown of organic contaminants and enhancing humification of soil organic matter. Interactions with metals and radionuclides, including surface adsorption, sequestration and oxidation can lead to incorporation of metals into insoluble mineral phases and a consequent reduction in bioavailability of toxic contaminants. Because of these properties, addition of Mn oxides may prove an effective treatment method for land contaminated by a range of organic and inorganic contaminants.

Information

Type
Research Article
Information
Mineralogical Magazine , Volume 72 , Issue 1 , February 2008 , pp. 513
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 2008

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