Utilize este identificador para referenciar este registo: http://hdl.handle.net/10348/2014
Título: Uranium accumulation by aquatic plants from uranium-contaminated water in Central Portugal
Autor: João, Pratas
Favas, Paulo
Carlos, Paulo
Nelson, Rodrigues
M.N.V., Prasad
Palavras-chave: phytofiltration
Callitriche stagnalis
Fontinalis antipyretica
Lemna minor
in-situ remediation
aquatic macrophyte
Data: 2012
Editora: Taylor & Francis
Resumo: Several species of plants have developed a tolerance to metal that enables them to survive in metal contaminated and polluted sites. Some of these aquatic plants have been reported to accumulate significant amounts of specific trace elements and are, therefore, useful for phytofiltration. This work focuses the potential of aquatic plants for the phytofiltration of uranium (U) from contaminated water. We observed that Callitriche stagnalis, Lemna minor, and Fontinalis antipyretica, which grow in the uraniferous geochemical province of Central Portugal, have been able to accumulate significant amounts of U. The highest concentration of U was found in Callitriche stagnalis (1948.41 mg/kg DW), Fontinalis antipyretica (234.79 mg/kg DW), and Lemna minor (52.98 mg/kg DW). These results indicate their potential for the phytofiltration of U through constructed treatment wetlands or by introducing these plants into natural water bodies in the uraniferous province of Central Portugal.
Revisão por Pares: yes
URI: http://hdl.handle.net/10348/2014
ISSN: 1549-7879
Tipo de Documento: Artigo
Aparece nas colecções:OLD - DGEO - Artigo em Revista Científica Internacional

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