Removal of Mercury from Polluted Waters by the Water Hyacinth (Eichhornia crassipes) |
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| Authors: | Humberto Gonz lez Martin Lodenius Lisette Martinez |
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| Affiliation: | a Environmental Protection Unit, Transport Research Institute, CP, Cubab Department of Limnology and Environmental Protection, SF-00014 University of Helsinki, Finland |
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| Abstract: | The uptake of mercury by water hyacinth (Eichhornia crassipes) was studied in an outdoor experiment for 25 days at different metal concentrations. the removal of mercury from the water and uptake by plants was very effective during the first hours and decreased rapidly thereafter. the uptake of mercury was directly proportional to the initial concentration in the water. the highest concentrations were found in plant roots. According to the results, water hyacinth could be used for treatment of mercurial waste waters. |
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| Keywords: | mercury water hyacinth waste water treatment |
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