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Statements

Subject Item
n2:RIV%2F60460709%3A41210%2F07%3A19346%21RIV08-MSM-41210___
rdf:type
skos:Concept n19:Vysledek
dcterms:description
In several cases ethylenediaminetetraacetic acid (EDTA) proved to be an efficient mobilising amendment during chemically enhanced phytoextraction of heavy metals. The presence of Fe-(hydr)oxides and their dissolution after the addition of EDTA can limit the phytoextraction of the targeted heavy metals due to the high stability of the formed Fe(III)EDTA complexes. This study has focused on the influence of Fe- and Mn-oxides and hydroxides dissolution on heavy metal uptake by Zea mays in a two-year EDTA-enhanced phytoextraction process. Incubation experiments and speciation modelling proved the increased concentrations of Mn and Fe through the dissolution of Mn-and Fe-(hydr)oxides. Furthermore, increased Fe and Mn accumulation was observed in maize plants after the second year of the phytoextraction process. Therefore, the presence of Mn- and especially Fe-(hydr)oxides proved to be a limiting factor during EDTA-enhanced phytoextraction of heavy metals from contaminated soils. In several cases ethylenediaminetetraacetic acid (EDTA) proved to be an efficient mobilising amendment during chemically enhanced phytoextraction of heavy metals. The presence of Fe-(hydr)oxides and their dissolution after the addition of EDTA can limit the phytoextraction of the targeted heavy metals due to the high stability of the formed Fe(III)EDTA complexes. This study has focused on the influence of Fe- and Mn-oxides and hydroxides dissolution on heavy metal uptake by Zea mays in a two-year EDTA-enhanced phytoextraction process. Incubation experiments and speciation modelling proved the increased concentrations of Mn and Fe through the dissolution of Mn-and Fe-(hydr)oxides. Furthermore, increased Fe and Mn accumulation was observed in maize plants after the second year of the phytoextraction process. Therefore, the presence of Mn- and especially Fe-(hydr)oxides proved to be a limiting factor during EDTA-enhanced phytoextraction of heavy metals from contaminated soils. In several cases ethylenediaminetetraacetic acid (EDTA) proved to be an efficient mobilising amendment during chemically enhanced phytoextraction of heavy metals. The presence of Fe-(hydr)oxides and their dissolution after the addition of EDTA can limit the phytoextraction of the targeted heavy metals due to the high stability of the formed Fe(III)EDTA complexes. This study has focused on the influence of Fe- and Mn-oxides and hydroxides dissolution on heavy metal uptake by Zea mays in a two-year EDTA-enhanced phytoextraction process. Incubation experiments and speciation modelling proved the increased concentrations of Mn and Fe through the dissolution of Mn-and Fe-(hydr)oxides. Furthermore, increased Fe and Mn accumulation was observed in maize plants after the second year of the phytoextraction process. Therefore, the presence of Mn- and especially Fe-(hydr)oxides proved to be a limiting factor during EDTA-enhanced phytoextraction of heavy metals from contaminated soils.
dcterms:title
The role of Fe- and Mn-oxides during EDTA-enhanced phytoextraction of heavy metals The role of Fe- and Mn-oxides during EDTA-enhanced phytoextraction of heavy metals Role oxidů Fe a Mn při EDTA-podporované fytoextrakci těžkých kovů
skos:prefLabel
The role of Fe- and Mn-oxides during EDTA-enhanced phytoextraction of heavy metals The role of Fe- and Mn-oxides during EDTA-enhanced phytoextraction of heavy metals Role oxidů Fe a Mn při EDTA-podporované fytoextrakci těžkých kovů
skos:notation
RIV/60460709:41210/07:19346!RIV08-MSM-41210___
n3:strany
216;224
n3:aktivita
n14:Z n14:P
n3:aktivity
P(GA526/06/0418), Z(MSM6046070901)
n3:cisloPeriodika
5
n3:dodaniDat
n6:2008
n3:domaciTvurceVysledku
n13:5210879 n13:1096338 n13:9340807 n13:2080400
n3:druhVysledku
n16:J
n3:duvernostUdaju
n12:S
n3:entitaPredkladatele
n11:predkladatel
n3:idSjednocenehoVysledku
448195
n3:idVysledku
RIV/60460709:41210/07:19346
n3:jazykVysledku
n17:eng
n3:klicovaSlova
EDTA, phytoextraction, Fe oxides, Mn oxides, heavy metals, Zea mays
n3:klicoveSlovo
n4:EDTA n4:Zea%20mays n4:Mn%20oxides n4:heavy%20metals n4:Fe%20oxides n4:phytoextraction
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[5FECC80C6ACF]
n3:nazevZdroje
Plant, Soil and Environment
n3:obor
n18:DK
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
5
n3:projekt
n15:GA526%2F06%2F0418
n3:rokUplatneniVysledku
n6:2007
n3:svazekPeriodika
53
n3:tvurceVysledku
Balík, Jiří Komárek, Michael Száková, Jiřina Chrastný, Vladislav Tlustoš, Pavel
n3:zamer
n10:MSM6046070901
s:issn
1214-1178
s:numberOfPages
9
n5:organizacniJednotka
41210