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Potential of macrophyte for removing arsenic from aqueous solution Planta Daninha
Guimaraes,F.P.; Aguiar,R.; Oliveira,J.A.; Silva,J.A.A.; Karam,D..
The potential of three aquatic macrophytes, Azoll caroliniana, Salvinia minima and Lemna gibba, was evaluated in this work aimed at selection of plants to be used in remediation of environments contaminated by arsenic (As). The experiments were carried out in a greenhouse during six days in pots containing Hoagland solution (¼ ionic strength) at As concentrations of 0.5; 2.5 and 5.0 mg L-1. The three species showed greater As accumulation as the concentration of the metalloid in solution increased. However, a reduction was detected in fresh and dry mass gain when the plants were exposed to high As concentrations. The macrophytes showed differences in efficiency of removal of As in solution. A. caroliniana, S. minima and L. gibba accumulated, on average,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bio-remediation; Phyto-remediation; Aquatic plants; Pollutant.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582012000400001
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