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Journal Article

Metallic iron for environmental remediation: learning from the Becher process. 

Noubactep, C. (2009-09-15)
Metallic iron (Fe(0)) is a moderately reducing agent that has been reported to be capable of reducing many environmental contaminants. Reduction by Fe(0) used for environmental remediation is a well-known process to organic ...
Journal Article

A critical review on the process of contaminant removal in Fe0-H2O systems. 

Noubactep, C. (2008-08-01)
A central aspect of the contaminant removal by elemental iron materials (Fe0 or Fe0 materials) is that reduction reactions are mediated by the iron surface (direct reduction). This premise was introduced by the pioneers ...
Journal Article

Lifetime and fluorescence quantum yield of uranium(VI) species in hydrolyzed solutions 

Meinrath, Günther; Lis, Stefan; Stryla, Zdzislaw; Noubactep, Chicgoua (2000)
Fluorescence lifetimes and emission intensities of uranium(VI) species UO22+, (UO2)2(OH)22+ and (UO2)3O(OH)3+ (=(UO2)3(OH)5+) are determined after excitation by a dye laser at 420 nm. Despite the widely varying species ...
Journal Article

Relevant Reducing Agents in Remediation Fe0/H2O systems 

Noubactep, Chicgoua (2013)
Metallic iron (Fe0) is often reported as a reducing agent for environmental remediation. There is still controversy as to whether Fe0 plays any significant direct role in the process of contaminant reductive transformation. ...
Journal Article

Effects of the Presence of Pyrite and Carbonate Minerals on the Kinetics of the Uranium Release from a Natural Rock 

Noubactep, C.; Sonnefeld, J.; Merten, D.; Heinrichs, T.; Sauter, M. (2006)
The influence of calcite, dolomite, pyrite and vaterite on the kinetics of uranium (U) release from a natural rock under relevant i.e. field conditions has been investigated. The time dependence of the U release has been ...
Journal Article

Comments on: “Decontamination of solutions containing EDTA using metallic iron” 

Noubactep, Chicgoua (2008)
This letter presents an improved discussion of the data provided in a recent article on EDTA removal from aqueous solutions using elemental iron (Fe(0)) by O. Gyliene and his co-workers. It is shown that the authors have ...
Journal Article

Metallic Iron for Water Treatment: A Critical Review 

Noubactep, Chicgoua (2013)
Water treatment with metallic iron (Fe0) is still based on the premise that Fe0 is a reducing agent. An alternative concept stipulates that contaminants are removed by adsorption, co-precipitation and size-exclusion in a ...
Journal Article

Testing the suitability of metallic iron for environmental remediation: Discoloration of methylene blue in column studies 

Btatkeu, K.B.D.; Miyajima, K.; Noubactep, C.; Caré, S. (2013)
A new method to correlate intrinsic reactivity and treatability efficiency of metallic iron (Fe0) was evaluated. A 2.0 mg L-1 methylene blue (MB) solution was used in gravity fed column experiments. The intrinsic reactivity ...
Journal Article

Aqueous contaminant removal by metallic iron: Is the paradigm shifting? 

Noubactep, C. (2011)
Chemical reduction has long dominated the thinking about the mechanism of aqueous contaminant removal in the presence of metallic iron (e.g. Fe0/H2O systems). However, a large body of experimental evidence indicates that ...
Journal Article

Designing laboratory metallic iron columns for better result comparability 

Noubactep, C.; Caré, S. (2011)
Despite the amount of data available on investigating the process of aqueous contaminant removal by metallic iron (Fe0), there is still a significant amount of uncertainty surrounding the design of Fe0 beds for laboratory ...
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