EQUILIBRIUM ADSORPTION QUANTITIES AND % REMOVAL OF DIFFERENT METAL  IONS AT DIFFERENT METAL ION  CONCENTRATION BY HYDRILLA VERTICILLATA (LF)ROYLE.

Dr. N. S. Gopkar

EQUILIBRIUM ADSORPTION QUANTITIES AND % REMOVAL OF DIFFERENT METAL IONS AT DIFFERENT METAL ION CONCENTRATION BY HYDRILLA VERTICILLATA (LF)ROYLE.

Author(s)	Dr. N. S. Gopkar
Country	India
Abstract	Heavy metal pollution in an aquatic environment has become major problem globally and there is need to utilize the diverse group of aquatic macrophytes by means of phytoremediation as these groups of plants can hyperaccumulate many heavy metals pointing their potential and an alternative way to deal with remediation of heavy metal from aquatic environment. Aquatic macrophytes possess ability to remove and recover the nutrient anions and metal cations present in water and waste water. Aquatic plants has been used in water quality assessment as in-situ biomonitors and bioremediators. There were several factors like pH, temperature, biomass loading and presence of other metal ions that influence the biosorption process. Biosorption of metal ions onto biosorbents involve a combination of the following metal-binding mechanisms including physical adsorption, ion exchange, complexation and precipitation The initial metal concentration plays an important role in the process of biosorption. In order to study the effect of initial metal ion concentration sorbate concentrations in the range of 10 mg/l to 100 mg/l were taken for all the metal ions (sorbent 1.5, 2.0, 2.5 gm/l, pH 5.0 and pH 6.0; time 120 min. and temperature 30°C and 40°C).. Hydrilla verticillata (Lf) Royle reported with maximum biosorption at 50 mg/l initial metal ion concentration (Table 4.5.3) for Zn (II) ion (33.25 mg/g) followed by Pb (II) ion (31.89 mg/g), Ni (II) ion (28.41 mg/g), Al (III) ion (26.98 mg/g) and Cu (II) ion (24.11 mg/g). Highest percent removal for Zn (II) ions (65.97%) and lowest for Cu (II) ions (47.83%) was observed (Fig. 4.5.3) in Hydrilla verticillata (Lf) Royle.
Keywords	Heavy metals; Hydrilla verticillata; Biosorption; biomonitors ;bioremediator
Field	Biology > Agriculture / Botany
Published In	Volume 14, Issue 1, January-March 2023
Published On	2023-03-06
Cite This	EQUILIBRIUM ADSORPTION QUANTITIES AND % REMOVAL OF DIFFERENT METAL IONS AT DIFFERENT METAL ION CONCENTRATION BY HYDRILLA VERTICILLATA (LF)ROYLE. - Dr. N. S. Gopkar - IJSAT Volume 14, Issue 1, January-March 2023.

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EQUILIBRIUM ADSORPTION QUANTITIES AND % REMOVAL OF DIFFERENT METAL IONS AT DIFFERENT METAL ION CONCENTRATION BY HYDRILLA VERTICILLATA (LF)ROYLE.

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