Title of article :
Equilibrium and kinetic studies of cadmium(II) and lead(II) ions biosorption onto Ficus carcia leaves
Author/Authors :
Farhan, Ahlam M Baghdad University - Faculty of Science for Women - Department of Chemistry, Iraq , Al-Dujaili, Ammar H Baghdad University - College of Education Ibn Al-Haitham - Department of Chemistry, Iraq , Awwad, Akl M El Hassan Science City - Royal Scientific Society, Jordan
Abstract :
Background: Ficus carcia leaves (fig leaves) for the removal of cadmium(II) and lead(II) ions from aqueous solutions have been investigated. Results: The biosorption of cadmium(II) and lead(II) ions was found to be dependent on the solution pH, initial metal ion concentrations, biosorbent dose, contact time, and temperature. The experimental equilibrium biosorption data were analyzed by two widely used two parameters, Langmuir and Freundlich isotherm models. Conclusions: Langmuir isotherm model provided a better fit with the experimental data than Freundlich model by high correlation coefficients R^2. Kinetic studies showed that pseudo-second-order described the biosorption experimental data better than the pseudo-first-order kinetic model.
Keywords :
Biosorption , Ficus carcia leaves , Cadmium(II) , Lead(II) , Equilibrium isotherms , Kinetic
Journal title :
International Journal of Industrial Chemistry (IJIC)
Journal title :
International Journal of Industrial Chemistry (IJIC)
