Redox-reactive Minerals: Properties, Reactions and Applications in Clean Technologies
This volume is intended to provide a useful reference source and a picture of the present status of the chemistry, geochemistry and mineralogy of redox-reactive materials. Although in this volume some progress has been made in this direction, the aim is by no means achieved, especially with this extremely broad, diverse and vibrant area of research.
Removal of arsenic, nitrate, persistent organic pollutants and pathogenic microbes from water using redox-reactive minerals
Published:January 01, 2017
Anna A. Bogush, Jong Kyu Kim, Luiza C. Campos, 2017. "Removal of arsenic, nitrate, persistent organic pollutants and pathogenic microbes from water using redox-reactive minerals", Redox-reactive Minerals: Properties, Reactions and Applications in Clean Technologies, I.A.M. Ahmed, K.A. Hudson-Edwards
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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.