Effects of the presence of nutrients in the removal of high concentrations of Cr(III) by Typha domingensis
- Mufarrege, María de Las Mercedes
- Di Luca, Gisela Alfonsina
- Sánchez, Gabriela Cristina
- Hadad, Hernán Ricardo
- Pedro, María del Carmen
- Maine, Maria Alejandra
DOIAbstract
The aim of this work was to study the influence of nutrients on the tolerance, removal efficiency and accumulation of high concentration of Cr(III) by Typha domingensis. This species was exposed to the following Cr(III) treatments, arranged in triplicate: 200 mg L−1 Cr; 600 mg L−1 Cr; 200 mg L−1 Cr + 50 mg L−1 P + 50 mg L−1 N; 600 mg L−1 Cr + 50 mg L−1 P + 50 mg L−1 N; without metal or nutrient additions (control 1); 50 mg L−1 P + 50 mg L−1 N, without metal addition (control 2). In order to simulate extreme events, the concentrations studied were higher than the concentrations commonly found in constructed wetlands. Cr and nutrient concentrations in water decreased in all treatments along time. Nutrient addition did not affect Cr removal fo...
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