Journal
CHEMISTRY AND ECOLOGY
Volume 35, Issue 2, Pages 164-178Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/02757540.2018.1546296
Keywords
Phytoremediation; bioaccumulation; Ludwigia stolonifera; heavy metals; Pb; Cd; Cr; wastewater; pollution
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The present study investigated the phytoremediation of simulated wastewater, mimicking wastewater generated by industrial processes containing significant amounts of toxic heavy metal ions. The wetland plant Ludwigia stolonifera was used to study its efficiency in the removal of the three toxic metals Pb, Cd and Cr. Survivability of the plant has been studied in solutions at different concentrations of three metals separately or as a mixture, and the accumulation of these toxic metals for a prolonged period has been evaluated. The plant performed very successful in eliminating Cd, Cr and Pb as single metals of up to 65%, 97% and 99%, respectively, within four days. In addition, the trend of metal uptake revealed negligible dependence on different masses of plant and on various pH-values. L. stolonifera has high potential in eliminating various toxic pollutants from aquatic environments.
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