Original Articles
T. Shanthi1 and V. M. Selvaraj
Abstract
Activated carbon prepared from Henna leaves and pungam tree bark, an agricultural solid waste by-products and CAC for the removal of copper from aqueous solutions has been studied. Parameters such as equilibrium time, effect of pH and adsorbent dose on removal were studied. The adsorbent exhibited good sorption potential for copper at pH 5. The experimental data were analysed by both Freundlich and Langmuir isotherm models. The sorption kinetics of the copper have been analysed by Lagergren pseudo-first-order and pseudo-second-order kinetic models.