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Willow Trees from Heavy Metals Phytoextraction as Energy Crops

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    0374215 - UCHP-M 2012 RIV GB eng J - Journal Article
    Šyc, Michal - Pohořelý, Michael - Kameníková, Petra - Habart, J. - Svoboda, Karel - Punčochář, Miroslav
    Willow Trees from Heavy Metals Phytoextraction as Energy Crops.
    Biomass & Bioenergy. Roč. 37, - (2012), s. 106-113. ISSN 0961-9534
    R&D Projects: GA ČR(CZ) GA104/07/0977; GA MŠk 2B08048
    Institutional research plan: CEZ:AV0Z40720504
    Keywords : phytoextraction * heavy metal * incineration
    Subject RIV: CI - Industrial Chemistry, Chemical Engineering
    Impact factor: 2.975, year: 2012

    Phytoextraction ability of some fast growing plant species leads to the idea of connecting biomass production with soil remediation of contaminated industrial zones and regions. This biomass will contain significant amount of heavy metals and its energetic utization has to be considered carefully to minimize negative environmental impacts. This study was focused on potential disposal methods of willowtrees contaminated by heavy metals (Cd, Cu, Pb, Zn) with the emphasis on energetic utilization of biomass. Composting seems to be suitable pretreatment method resulting in decrease of heavy metals leachability and biomass weight reduction. The possibility of willowtrees application for energetic purposes was investigated and consequently incineration tests of willowtrees samples in fluidized bed reactor were realized. Distribution of selected heavy metals in different ash fractions and treatment methods of produced ashes were studied as well.
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