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Evaluating the potential of three Fe- and Mn-(nano)oxides for the stabilization of Cd, Cu and Pb in contaminated soils

Z. Michálková, M. Komárek, H. Šillerová, L. Della Puppa, E. Joussein, F. Bordas, A. Vaněk, O. Vaněk, V. Ettler,

. 2014 ; 146 (-) : 226-34. [pub] 20140830

Jazyk angličtina Země Anglie, Velká Británie

Typ dokumentu hodnotící studie, časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/bmc15031883

The potential of three Fe- and Mn-(nano)oxides for stabilizing Cd, Cu and Pb in contaminated soils was investigated using batch and column experiments, adsorption tests and tests of soil microbial activity. A novel synthetic amorphous Mn oxide (AMO), which was recently proposed as a stabilizing amendment, proved to be the most efficient in decreasing the mobility of the studied metals compared to nano-maghemite and nano-magnetite. Its application resulted in significant decreases of exchangeable metal fractions (92%, 92% and 93% decreases of Cd, Cu and Pb concentrations, respectively). The adsorption capacity of the AMO was an order of magnitude higher than those recorded for the other amendments. It was also the most efficient treatment for reducing Cu concentrations in the soil solution. No negative effects on soil microorganisms were recorded. On the other hand, the AMO was able to dissolve soil organic matter to some extent.

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$a Evaluating the potential of three Fe- and Mn-(nano)oxides for the stabilization of Cd, Cu and Pb in contaminated soils / $c Z. Michálková, M. Komárek, H. Šillerová, L. Della Puppa, E. Joussein, F. Bordas, A. Vaněk, O. Vaněk, V. Ettler,
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$a The potential of three Fe- and Mn-(nano)oxides for stabilizing Cd, Cu and Pb in contaminated soils was investigated using batch and column experiments, adsorption tests and tests of soil microbial activity. A novel synthetic amorphous Mn oxide (AMO), which was recently proposed as a stabilizing amendment, proved to be the most efficient in decreasing the mobility of the studied metals compared to nano-maghemite and nano-magnetite. Its application resulted in significant decreases of exchangeable metal fractions (92%, 92% and 93% decreases of Cd, Cu and Pb concentrations, respectively). The adsorption capacity of the AMO was an order of magnitude higher than those recorded for the other amendments. It was also the most efficient treatment for reducing Cu concentrations in the soil solution. No negative effects on soil microorganisms were recorded. On the other hand, the AMO was able to dissolve soil organic matter to some extent.
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$a Komárek, Michael $u Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, Prague 6, Suchdol 165 21, Czech Republic. Electronic address: komarek@fzp.czu.cz.
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$a Šillerová, Hana $u Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, Prague 6, Suchdol 165 21, Czech Republic. Electronic address: sillerovah@fzp.czu.cz.
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$a Della Puppa, Loïc $u Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, Prague 6, Suchdol 165 21, Czech Republic; Groupement de Recherche Eau Sol Environnement, Université de Limoges, 123 Avenue Albert Thomas, Limoges 87060, France. Electronic address: loic.della@etu.unilim.fr.
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$a Joussein, Emmanuel $u Groupement de Recherche Eau Sol Environnement, Université de Limoges, 123 Avenue Albert Thomas, Limoges 87060, France. Electronic address: emmanuel.joussein@unilim.fr.
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$a Bordas, François $u Groupement de Recherche Eau Sol Environnement, Université de Limoges, 123 Avenue Albert Thomas, Limoges 87060, France. Electronic address: francois.bordas@unilim.fr.
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$a Vaněk, Aleš $u Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamýcká 129, Prague 6, Suchdol 165 21, Czech Republic. Electronic address: vaneka@af.czu.cz.
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$a Vaněk, Ondřej $u Faculty of Science, Charles University in Prague, Albertov 6, Prague 2, 128 40, Czech Republic. Electronic address: ondrej.vanek@natur.cuni.cz.
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$a Ettler, Vojtěch $u Faculty of Science, Charles University in Prague, Albertov 6, Prague 2, 128 40, Czech Republic. Electronic address: ettler@natur.cuni.cz.
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