Research Article

The Adsorption of Pb, Zn, Cu, Ni, and Cd by Modified Ligand in a Single Component Aqueous Solution: Equilibrium, Kinetic, Thermodynamic, and Desorption Studies

Figure 13

Effect of ionic strength on percentage removal of heavy metal ions by FGCX (conditions: 6 g/l FGCX; pH: Pb = 5, Cu = 5, Ni = 7, Zn = 6, and Cd = 6; contact time: 60 min; initial concentration 0.5 mmol/L; temperature: 45°C; agitation speed: 150 RPM).