Abstract
The assessment of the storage capacity of heavy metals (Zn, Cu, Ni) in Lemna minor L., was carried out on wastewater from galvanizing plants. Purification yield decreases with increasing metal concentration in water. The rate of bioaccumulation is high in the first three days, then decreases over the next four days.
Highlights
The assessment of the storage capacity of heavy metals (Zn, Cu, Ni) in Lemna minor L., was carried out on wastewater from galvanizing plants
The best purification yields were obtained at the lowest initial concentrations: 72% for zinc wastewater, 59% for copper wastewater and 36% for wastewater containing nickel
The results presented in figure 5 for three metals studied individually (Zn, Cu and Ni) indicate that the affinity of the Lemna minor L. for metals grows in the order: Ni
Summary
The assessment of the storage capacity of heavy metals (Zn, Cu, Ni) in Lemna minor L., was carried out on wastewater from galvanizing plants. Due to their extensive use, represent an important fraction of pollutants released into the air, soil and water; they seem to be even omnipresent [1]. Due to their properties, heavy metals can cause adverse effects on environmental components. The objective of the study was to investigate the potential of Lemna minor L. plants in the accumulation of heavy metals in wastewater. Experimental studies used actual wastewater, resulting from galvanizing installations of the zinc, copper and nickel processes
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