Metallic iron for water treatment : A critical revie

  title={Metallic iron for water treatment : A critical revie},
  • Published 2013
Water treatment with metallic iron (Fe) is still based on the premise that Fe is a reducing agent. An alternative concept stipulates that contaminants are removed by adsorption, co-precipitation and size-exclusion in a reactive filtration process. This article underlines the universal validity of the alternative concept. It is shown that admixing non-expansive material to Fe as a pre-requisite for sustainable Fe-based filtration systems. Fe-based filters are demonstrated an affordable… CONTINUE READING

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