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Author |
Klimkova, S.; Cernik, M.; Lacinova, L.; Filip, J.; Jancik, D.; Zboril, R. |
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Title |
Zero-valent iron nanoparticles in treatment of acid mine water from in situ uranium leaching |
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Journal Article |
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Year |
2011 |
Publication |
Chemosphere |
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Volume |
82 |
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8 |
Pages |
1178-1184 |
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Acid mine water, Contaminant removal, Surface stabilizing shell, Water treatment, Zero-valent iron nanoparticles |
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Abstract |
Acid mine water from in situ chemical leaching of uranium (Straz pod Ralskem, Czech Republic) was treated in laboratory scale experiments by zero-valent iron nanoparticles (nZVI). For the first time, nZVI were applied for the treatment of the real acid water system containing the miscellaneous mixture of pollutants, where the various removal mechanisms occur simultaneously. Toxicity of the treated saline acid water is caused by major contaminants represented by aluminum and sulphates in a high concentration, as well as by microcontaminants like As, Be, Cd, Cr, Cu, Ni, U, V, and Zn. Laboratory batch experiments proved a significant decrease in concentrations of all the monitored pollutants due to an increase in pH and a decrease in oxidation–reduction potential related to an application of nZVI. The assumed mechanisms of contaminants removal include precipitation of cations in a lower oxidation state, precipitation caused by a simple pH increase and co-precipitation with the formed iron oxyhydroxides. The possibility to control the reaction kinetics through the nature of the surface stabilizing shell (polymer vs. FeO nanolayer) is discussed as an important practical aspect. |
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0045-6535 |
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THL @ christoph.kuells @ klimkova_zero-valent_2011 |
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196 |
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Klock, H.; Külls, C.; Udluft, P. |
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Title |
Estimation of relative recharge values for the northern Kalahari catchment, Namibia |
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2000 |
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Journal of African Earth Sciences |
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30 |
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4 |
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47-48 |
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THL @ christoph.kuells @ Klock2000estimation |
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33 |
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Author |
Klock, H.; Külls, C.; Udluft, P. |
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Title |
Quantification of Groundwater Recharge-Estimating recharge values using hydrochemical and geological data: A case study from the semiarid Kalahari catchment of northern Namibia |
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Journal Article |
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Year |
2001 |
Publication |
IAHS Publications-Series of Proceedings and Reports-Intern Assoc Hydrological Sciences |
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269 |
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25-32 |
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Wallingford [Oxfordshire]: IAHS, 1981- |
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THL @ christoph.kuells @ Klock2001 |
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32 |
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Klock, H.; Külls, C.; Udluft, P. |
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Title |
Estimating recharge values using hydrochemical and geological data: a case study from the |
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Conference Article |
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Year |
2001 |
Publication |
Impact of Human Activity on Groundwater Dynamics: Proceedings of an International Symposium (Symposium S3) Held During the Sixth Scientific Assembly of the International Association of Hydrological Sciences (IAHS) at Maastricht, The Netherlands, from 18 t |
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269 |
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25 |
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International Assn of Hydrological Sciences |
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THL @ christoph.kuells @ Klock2001estimating |
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60 |
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Author |
Krüger, N.; Külls, C.; Bruggeman, A.; Eliades, M.; Christophi, C.; Rigas, M.; Eracleous, T. |
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Title |
Groundwater recharge estimates with soil isotope profiles-is there a bias on coarse-grained hillslopes? |
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Conference Article |
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2020 |
Publication |
EGU General Assembly Conference Abstracts |
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9840 |
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THL @ christoph.kuells @ Krueger2020groundwater |
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42 |
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Author |
Külls, C.; Bittner, A. |
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Title |
Passive barriers for long-term containment of Uranium and Vanadium |
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Miscellaneous |
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2013 |
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IMWA Conf. |
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THL @ christoph.kuells @ Kuells12013passive |
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69 |
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Author |
Külls, C.; Leibundgut, C.; Schwarz, U.; Schick, A.P. |
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Title |
Channel infiltration study using dye tracers |
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Journal Article |
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Year |
1995 |
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IAHS Publications-Series of Proceedings and Reports-Intern Assoc Hydrological Sciences |
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232 |
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429-436 |
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Wallingford [Oxfordshire]: IAHS, 1981- |
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THL @ christoph.kuells @ Kuells1995channel |
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36 |
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Author |
Külls, C.; Salameh, E.; Udluft, P. |
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Title |
Assessing water supplies for irrigation-availability of natural resources and sustainability indices |
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Conference Article |
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2000 |
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Tropentag Hoffenheim |
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THL @ christoph.kuells @ Kuells2000assessing |
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63 |
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Author |
Külls, C. |
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Title |
Resolving patterns of groundwater flow by inverse hydrochemical modelling in a semiarid Kalahari |
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Conference Article |
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2000 |
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Tracers and Modelling in Hydrogeology: TraM’2000: Proceedings of TraM’2000, the International Conference on Tracers and Modelling in Hydrogeology Held at Liège, Belgium, in May 2000 |
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262 |
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447 |
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IAHS Press |
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Call Number |
THL @ christoph.kuells @ Kuells2000resolving |
Serial |
62 |
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Author |
Külls, C. |
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Title |
Groundwater of the North-Western Kalahari, Namibia: estimation of recharge and quantification of the flow system |
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Book Whole |
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2001 |
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Hydrogeologie und Umwelt |
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Doctoral thesis |
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Hydrogeologie und Umwelt |
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THL @ christoph.kuells @ Kuells2003groundwater |
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38 |
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