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Book Chapter

Removal of arsenic, nitrate, persistent organic pollutants and pathogenic microbes from water using redox-reactive minerals

By
Anna A. Bogush
Anna A. Bogush
Civil, Environmental and Geomatic Engineering Department, University College London, Chadwick Building, Gower Street, London WC1E 6BT, UK
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Jong Kyu Kim
Jong Kyu Kim
Civil, Environmental and Geomatic Engineering Department, University College London, Chadwick Building, Gower Street, London WC1E 6BT, UK
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Luiza C. Campos
Luiza C. Campos
Civil, Environmental and Geomatic Engineering Department, University College London, Chadwick Building, Gower Street, London WC1E 6BT, UK
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Published:
January 01, 2017

Abstract

Water pollution is a major global problem at present, involving inorganic and organic contaminants such as heavy metals, pesticides and pharmaceutical compounds, as well as pathogens. Therefore, the development of water-management strategies and appropriate water-treatment technologies has been the subject of intense research for decades. This chapter reviews the potential use of redox-reactive minerals as reactive media in environmental cleanup technologies especially in the removal of arsenic, nitrate, persistent organic pollutants and pathogenic microbes. The properties and applications of five classes of redox-reactive materials are summarized: zero-valent metals, mixed-valence iron oxyhydroxides, Fe-bearing clays, mixed-valence manganese oxides and titanium and zinc oxides. Examples and case studies that demonstrate the significant role of these reactive materials in water-treatment processes are also provided.

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Contents

European Mineralogical Union Notes in Mineralogy

Redox-reactive Minerals: Properties, Reactions and Applications in Clean Technologies

I.A.M. Ahmed
I.A.M. Ahmed
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K.A. Hudson-Edwards
K.A. Hudson-Edwards
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Mineralogical Society of Great Britain and Ireland
Volume
17
ISBN electronic:
9780903056588
Publication date:
January 01, 2017

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