Recovery of synthetic copper ions by activated carbon from an industrial plastic PVC waste: Equilibrium, dynamic, kinetic and thermodynamic studies

The recovery of Cu2+ ions by activated carbon obtained by an industrial polyvinyl chloride waste was examined. The raw material was treated chemically by KOH and activated carbon was obtained by pyrolysis at 700 degrees C. The textural surface properties of the adsorbent were characterized by XRD, SEM and FTIR. An adsorption experiments were conducted to assess the effect of pH, solid/liquid ratio, concentration and temperature on PVCW-AC removal effectiveness. Box-Behnken design was used to optimize the parameters. A removal percentage of 98 % and a maximum adsorption capacity of 145.63 mg/g were recorded. The adsorption followed pseudo-second order kinetic model.

Automated summary

This study examined the recovery of Cu2+ ions using activated carbon obtained from industrial polyvinyl chloride waste. The raw material was chemically treated and activated carbon was obtained through pyrolysis. The surface properties of the adsorbent were characterized using XRD, SEM, and FTIR. The adsorption experiments showed that pH, solid/liquid ratio, concentration, and temperature had an effect on the removal effectiveness. By using Box-Behnken design, the parameters were optimized. The results showed a removal percentage of 98% and a maximum adsorption capacity of 145.63 mg/g, following a pseudo-second order kinetic model.