Metallic Iron for Water Treatment: A Critical Review | Zendy

Noubactep Chicgoua | Zendy

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Metallic Iron for Water Treatment: A Critical Review

Author(s) -

Noubactep Chicgoua

Publication year - 2013

Publication title -

clean – soil, air, water

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.444

H-Index - 66

eISSN - 1863-0669

pISSN - 1863-0650

DOI - 10.1002/clen.201200502

Subject(s) - filtration (mathematics) , expansive , adsorption , water treatment , precipitation , materials science , process (computing) , zerovalent iron , metal , premise , environmental science , chemical engineering , process engineering , metallurgy , environmental engineering , chemistry , computer science , engineering , mathematics , physics , composite material , philosophy , linguistics , statistics , compressive strength , organic chemistry , meteorology , operating system

Water treatment with metallic iron (Fe 0 ) is still based on the premise that Fe 0 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 0 as a pre‐requisite for sustainable Fe 0 ‐based filtration systems. Fe 0 ‐based filters are demonstrated an affordable, appropriate, and efficient decentralized water treatment technology.

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