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Iron and aluminium based adsorption strategies for removing arsenic from water

Giles, Dion E ; Mohapatra, Mamata ; Issa, Touma B ; Anand, Shashi ; Singh, Pritam

Journal of Environmental Management, 2011, Vol.92(12), pp.3011-3022 [Periódico revisado por pares]

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  • Título:
    Iron and aluminium based adsorption strategies for removing arsenic from water
  • Autor: Giles, Dion E ; Mohapatra, Mamata ; Issa, Touma B ; Anand, Shashi ; Singh, Pritam
  • Assuntos: Arsenic ; Adsorption ; Ferrihydrite ; Alumina ; Bauxite ; Arsenic Filters and Kits ; Arsenic ; Adsorption ; Ferrihydrite ; Alumina ; Bauxite ; Arsenic Filters and Kits ; Environmental Sciences ; Economics
  • É parte de: Journal of Environmental Management, 2011, Vol.92(12), pp.3011-3022
  • Descrição: Arsenic is a commonly occurring toxic metal in natural systems and is the root cause of many diseases and disorders. Occurrence of arsenic contaminated water is reported from several countries all over the world. A great deal of research over recent decades has been motivated by the requirement to lower the concentration of arsenic in drinking water and the need to develop low cost techniques which can be widely applied for arsenic removal from contaminated water. This review briefly presents iron and aluminium based adsorbents for arsenic removal. Studies carried out on oxidation of arsenic(III) to arsenic(V) employing various oxidising agents to facilitate arsenic removal are briefly mentioned. Effects of competing ions, As:Fe ratios, arsenic(V) vs. arsenic(III) removal using ferrihydrite as the adsorbent have been discussed. Recent efforts made for investigating arsenic adsorption on iron hydroxides/oxyhydroxides/oxides such as granular ferric hydroxide, goethite, akaganeite,...
  • Idioma: Inglês

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