Materials for sustainable metallic iron-based water filters: a review
Minhui Xiao,
Rui Hu,
Willis Gwenzi
et al.
Abstract:Water pollution is calling for a sustainable remediation method such as the use of metallic iron (Fe0) to reduce and filter some pollutants, yet the reactivity and hydraulic conductivity of iron filters decline over time under field conditions. Here we review iron filters with focus on metallic corrosion in porous media, flaws in designing iron filters, next-generation filters and perspectives such as safe drinking water supply, iron for anaemia control and coping with a reactive material. We argue that assump… Show more
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