Sequestering of Fe and Pb ions from Wastewater by Canarium schweinfurthii after carbonization and chemical treatment: Isothermal and Kinetic Modeling

Abstract

In this paper agricultural waste; Canarium schweinfurthii was explored for the sequestering of Fe and Pb  ions from wastewater solution after carbonization and chemical treatment at 400^oC. Optimum time of 30 and 150 min with percentage removal of 95 and 98% at optimum pH of 2 and 6 was obtained for Fe and Pb ions. Kinetics model followed pseudofirst order as sum of absolute error (EABS) between Q_e and Q_c greater than that of pseudo second order. Parameters evaluated from isothermal equation (Freundlich and Langmuir) showed that K_L and Q_O for Fe > Pb and R² for Langmuir> Freundlich. The study reveals the suitability of the adsorbent for sequestering of Fe and Pb ions from industrial wastewater. ©JASEM

Keywords: Adsorbent; Pb; Fe; Kinetics and Isotherm