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Issue 10, 2012
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Calcium- and ammonium ion-modification of zeolite amendments affects the metal-uptake of Hieracium piloselloides in a dose-dependent way

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Abstract

The role of natural zeolite and of two types of modified zeolite (with ammonium and with calcium ions) in reducing the accumulation of ions of heavy metals in roots and leaves of Hieracium piloselloides grown on tailing ponds was investigated. The variation of the content of zeolite (5% w/w and 10% w/w) is another parameter that significantly and positively affects the accumulation of the metal ions in Hieracium piloselloides. The results showed that zeolite used as an amendment in the soil in tailing ponds significantly reduces the accumulation of heavy metal ions in Hieracium piloselloides. The highest concentrations of heavy metals were accumulated in plants grown on soil without zeolite, being followed by the plants grown on the substrate with natural zeolite. Moreover, the translocation factors of heavy metal ions uptake in roots and leaves grown on substrates with modified zeolites are lower than those calculated for the organs grown on the substrate amended with natural zeolite. This behaviour has demonstrated the positive effect of those changes of zeolite amendments in the potential phytoremediation practice.

Graphical abstract: Calcium- and ammonium ion-modification of zeolite amendments affects the metal-uptake of Hieracium piloselloides in a dose-dependent way

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Publication details

The article was received on 19 Apr 2012, accepted on 25 Jul 2012 and first published on 27 Jul 2012


Article type: Paper
DOI: 10.1039/C2EM30301A
Citation: J. Environ. Monit., 2012,14, 2807-2814

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    Calcium- and ammonium ion-modification of zeolite amendments affects the metal-uptake of Hieracium piloselloides in a dose-dependent way

    A. Peter, L. Mihaly-Cozmuta, A. Mihaly-Cozmuta, C. Nicula, E. Indrea and H. Tutu, J. Environ. Monit., 2012, 14, 2807
    DOI: 10.1039/C2EM30301A

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