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Testing the Suitability of Zerovalent Iron Materials for Reactive Walls

Noubactep, ChicgouaORCIDiD
Meinrath, Günther
Dietrich, Peter
Sauter, Martin
Merkel, Broder J.
Journal: Environmental Chemistry; 21; 2004; p. 71 - 76
DOI: https://doi.org/10.1071/EN04014
Noubactep, Chicgoua; Meinrath, Günther; Dietrich, Peter; Sauter, Martin; Merkel, Broder J., 2004: Testing the Suitability of Zerovalent Iron Materials for Reactive Walls. In: Environmental Chemistry; Vol. 2.2004, No. 1, p. 71-76, DOI 10.1071/EN04014.
 
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  • Abstract
Zerovalent iron (ZVI) has been proposed as reactive material in permeable in situ walls for contaminated groundwater. An economically feasible ZVI-based reactive wall requires cheap but efficient iron materials. From an uranium treatability study and results of iron dissolution in 0.002 M EDTA by five selected ZVI materials, it is shown that current research and field implementation is not based on a rational selection of application-specific iron metal sources. An experimental procedure is proposed which could enable a better material characterization. This procedure consists of mixing ZVI materials and reactive additives, including contaminant releasing materials (CRMs), in long-term batch experiments and characterizing the contaminant concentration over the time.
 
Keywords: iron, redox reactions, uranium water, treatment
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  • Geochemie, Mineralogie, Petrologie [111]
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Umweltgeochemie insgesamt
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