Testing the Suitability of Zerovalent Iron Materials for Reactive Walls
Preprint2005
Noubactep, Chicgoua; Meinrath, Günther; Dietrich, Peter; Sauter, Martin; Merkel, B. J., 2005: Testing the Suitability of Zerovalent Iron Materials for Reactive Walls. In: Noubactep, Chicgoua; Meinrath, Günther; Dietrich, Peter; Sauter, Martin; Merkel, B. J. (2005): Testing the Suitability of Zerovalent Iron Materials for Reactive Walls, DOI: 10.23689/fidgeo-2776.
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Zerovalent iron (ZVI) has been proposed as reactive material in permeable in-situ walls
for contaminated groundwater. An economically feasible ZVI 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 in mixing ZVI materials and reactive additives including contaminant releasing materials (CRM) in long term batch experiments and characterise the contaminant
concentration over the time.
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- Geologie [930]