Chicgoua Noubactep

Summary

Country: Germany

Publications

  1. ncbi Mitigating uranium in groundwater: prospects and limitations
    C Noubactep
    Centre of Geosciences Applied Geology, Goldschmidtstrasse 3, D 37077 Gottingen, Germany
    Environ Sci Technol 37:4304-8. 2003
  2. ncbi Characterizing the reactivity of metallic iron upon methylene blue discoloration in Fe0/MnO2/H2O systems
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Goldschmidtstrasse 3, D 37077 Gottingen, Germany
    J Hazard Mater 168:1613-6. 2009
  3. ncbi Evaluation of the effects of shaking intensity on the process of methylene blue discoloration by metallic iron
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Goldschmidtstrasse 3, D 37077 Gottingen, Germany
    J Hazard Mater 169:1005-11. 2009
  4. ncbi Characterizing the effects of shaking intensity on the kinetics of metallic iron dissolution in EDTA
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Goldschmidtstrasse 3, D 37077 Gottingen, Germany
    J Hazard Mater 170:1149-55. 2009
  5. ncbi Exploring the influence of operational parameters on the reactivity of elemental iron materials
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Goldschmidtstrasse 3, D 37077 Gottingen, Germany
    J Hazard Mater 172:943-51. 2009
  6. ncbi Metallic iron for environmental remediation: learning from electrocoagulation
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Goldschmidtstrasse 3, D 37077 Gottingen, Germany
    J Hazard Mater 175:1075-80. 2010
  7. ncbi Comments on "Decontamination of solutions containing Cu(II) and ligands tartrate, glycine and quardol using metallic iron" [J. Hazard. Mater. (175 (2010) 452-459)]
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Goldschmidtstrasse 3, D 37077 Gottingen, Germany
    J Hazard Mater 177:1165-6. 2010
  8. ncbi Comment on "Reductive dechlorination of gamma-hexachloro-cyclohexane using Fe-Pd bimetallic nanoparticles" by Nagpal et al. [J. Hazard. Mater. 175 (2010) 680-687]
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Goldschmidtstrasse 3, D 37077 Gottingen, Germany
    J Hazard Mater 177:1170-1. 2010
  9. ncbi Elemental metals for environmental remediation: learning from cementation process
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Gottingen, Germany
    J Hazard Mater 181:1170-4. 2010
  10. ncbi On nanoscale metallic iron for groundwater remediation
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Goldschmidtstrasse 3, D 37077 Gottingen, Germany
    J Hazard Mater 182:923-7. 2010

Collaborators

Detail Information

Publications22

  1. ncbi Mitigating uranium in groundwater: prospects and limitations
    C Noubactep
    Centre of Geosciences Applied Geology, Goldschmidtstrasse 3, D 37077 Gottingen, Germany
    Environ Sci Technol 37:4304-8. 2003
    ..Solubilization experiments using scrap iron together with water works sludge, MnO2, and pyrite indicate that U(VI) is immobilized by iron corrosion products after about 50 days...
  2. ncbi Characterizing the reactivity of metallic iron upon methylene blue discoloration in Fe0/MnO2/H2O systems
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Goldschmidtstrasse 3, D 37077 Gottingen, Germany
    J Hazard Mater 168:1613-6. 2009
    ..The MB discoloration method for testing the reactivity of Fe(0) materials is facile, cost-effective and does not involve any stringent reaction conditions...
  3. ncbi Evaluation of the effects of shaking intensity on the process of methylene blue discoloration by metallic iron
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Goldschmidtstrasse 3, D 37077 Gottingen, Germany
    J Hazard Mater 169:1005-11. 2009
    ..The results suggest that, shaking intensities aiming at facilitating contaminant mass transfer to the Fe(0) surface should not exceed 50 min(-1)...
  4. ncbi Characterizing the effects of shaking intensity on the kinetics of metallic iron dissolution in EDTA
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Goldschmidtstrasse 3, D 37077 Gottingen, Germany
    J Hazard Mater 170:1149-55. 2009
    ..Altogether, the results disprove the popular assumption that mixing batch experiments is a tool to limit or eliminate diffusion as dominant transport process of contaminant to the Fe(0) surface...
  5. ncbi Exploring the influence of operational parameters on the reactivity of elemental iron materials
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Goldschmidtstrasse 3, D 37077 Gottingen, Germany
    J Hazard Mater 172:943-51. 2009
    ..Alternatively, a parameter (tau(EDTA)) is introduced which could routinely used to characterize Fe(0) reactivity under given experimental conditions...
  6. ncbi Metallic iron for environmental remediation: learning from electrocoagulation
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Goldschmidtstrasse 3, D 37077 Gottingen, Germany
    J Hazard Mater 175:1075-80. 2010
    ..It is reiterated that despite a century of commercial use of EC, the scientific understanding of the complex chemical and physical processes involved is still incomplete...
  7. ncbi Comments on "Decontamination of solutions containing Cu(II) and ligands tartrate, glycine and quardol using metallic iron" [J. Hazard. Mater. (175 (2010) 452-459)]
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Goldschmidtstrasse 3, D 37077 Gottingen, Germany
    J Hazard Mater 177:1165-6. 2010
    ....
  8. ncbi Comment on "Reductive dechlorination of gamma-hexachloro-cyclohexane using Fe-Pd bimetallic nanoparticles" by Nagpal et al. [J. Hazard. Mater. 175 (2010) 680-687]
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Goldschmidtstrasse 3, D 37077 Gottingen, Germany
    J Hazard Mater 177:1170-1. 2010
    ..g. in Fe(0)/H(2)O systems). It is shown that the contribution of adsorbed Fe(II) to the process of contaminant reduction has been neglected while discussing the whole process of contaminant reduction in the presence of bimetallics...
  9. ncbi Elemental metals for environmental remediation: learning from cementation process
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Gottingen, Germany
    J Hazard Mater 181:1170-4. 2010
    ..These considerations rationalized the superiority of Fe(0) as remediation agent compared to thermodynamically more favourable Al(0) and Zn(0). The validity of the adsorption/co-precipitation concept is corroborated...
  10. ncbi On nanoscale metallic iron for groundwater remediation
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Goldschmidtstrasse 3, D 37077 Gottingen, Germany
    J Hazard Mater 182:923-7. 2010
    ..No more source of reducing agents (Fe(II), H and H(2)) will be available in the system. Therefore, the efficiency of nano-Fe(0) as a reducing agent for environmental remediation is yet to be demonstrated...
  11. ncbi An analysis of the evolution of reactive species in Fe0/H2O systems
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Goldschmidtstrasse 3, D 37077 Gottingen, Germany
    J Hazard Mater 168:1626-31. 2009
    ..Therefore, current experimental protocols with high contaminant to Fe(0) ratios should be revisited. Possible optimising of experimental conditions is suggested...
  12. ncbi Metallic iron for environmental remediation: learning from the Becher process
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Gottingen, Germany
    J Hazard Mater 168:1609-12. 2009
    ..Instead of this universal role of oxide layers on Fe(0), improper conceptual models have been developed to rationalize electron transfer mechanisms at the Fe(0)/oxide/water interface...
  13. ncbi Mechanism of uranium removal from the aqueous solution by elemental iron
    C Noubactep
    Centre of Geosciences Applied Geology, Gottingen, Germany
    J Hazard Mater 132:202-12. 2006
    ..U(VI) co-precipitation as removal mechanism enables a better discussion of reported discrepancies...
  14. ncbi Comments on "Comparison of reductive dechlorination of p-chlorophenol using Fe(0) and nanosized Fe(0)" by R. Cheng, et al. [J. Hazard. Mater. 144 (2007) 334]
    C Noubactep
    Centre of Geosciences, , Goldschmidtstrasse 3, , Germany
    J Hazard Mater 148:775-7. 2007
  15. ncbi Comments on "Sorption of triazoles to soil and iron minerals" by Y. Jia et al. [Chemosphere 67 (2007) 250-258]
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Goldschmidtstrasse 3, D 37077 Gottingen, Germany
    Chemosphere 71:802-6. 2008
    ..Chemosphere 67, 250-258]. Also recalled is the importance of the adsorption of organics by iron corrosion products which is not properly addressed in the iron technology literature when the contaminants are redox-sensitive...
  16. ncbi Comments on "Removal of thiobencarb in aqueous solution by zero valent iron" by Nurul Amin et al. [Chemosphere 70 (3) (2008) 511-515]
    Chicgoua Noubactep
    Angewandte Geologie, , Goldschmidtstrasse 3, , Germany
    Chemosphere 72:325-7; discussion 328-31. 2008
  17. ncbi Designing laboratory metallic iron columns for better result comparability
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Goldschmidtstrasse 3, D 37077 Gottingen, Germany
    J Hazard Mater 189:809-13. 2011
    ..This work has introduced simple and reliable mathematical equations for column design, which include the normalisation of raw experimental data prior to any data treatment...
  18. ncbi On the validity of specific rate constants (kSA) in Fe0/H2O systems
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Gottingen, Germany
    J Hazard Mater 164:835-7. 2009
    ..Furthermore, neither the dynamic nature of film formation nor the fact that the Fe(0) surface is shielded by the film is considered. Suggestions are made how the k(SA)-model could be further developed to meet its original goal...
  19. ncbi Comments on "Decontamination of solutions containing EDTA using metallic iron" by Gyliene O., et al. [J. Hazard. Mater. (2008)]
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Gottingen, Germany
    J Hazard Mater 165:1261-3. 2009
    ..It is reiterated that "contaminant removal" and "contaminant reduction" should not be interchanged randomly...
  20. ncbi Characterizing the discoloration of methylene blue in Fe0/H2O systems
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Goldschmidtstrasse 3, D 37077 Gottingen, Germany
    J Hazard Mater 166:79-87. 2009
    ..The appeal for an unified experimental procedure for the investigation of processes in Fe(0)/H(2)O systems is reiterated...
  21. ncbi A critical review on the process of contaminant removal in Fe0-H2O systems
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Gottingen, Germany
    Environ Technol 29:909-20. 2008
    ..It is concluded that Fe0 materials act both as source of corrosion products for contaminant adsorption/coprecipitation and as a generator of FeII and H2 (H) for possible catalytic contaminant reduction...
  22. ncbi Fe0-based alloys for environmental remediation: thinking outside the box
    C Noubactep
    Angewandte Geologie, Universitat Gottingen, Gottingen, Germany
    J Hazard Mater 165:1210-4. 2009
    ..It is expected that the application of the proposed approach will help to reliably characterize the reactivity of Fe(0) materials within a few years...