This study focused on the adsorption/absorption process of natural volcanic tuff, its application, kinetics, efficiency, velocity and selectivity order in removing heavy metals found in pharmaceutical wastewater. Series of experiments were conducted in batch-wise and fixed-bed columns to study the removal performance and selectivity sequence of mixed metal ions (Pb2+, Cr6+, Cu2+, Zn2+and Fe3+) in aqueous solution using natural volcanic tuff material as adsorbent. The main purpose of this study is to highlight the economical application of the method in treatment of pharmaceutical wastewater.
Jamal A Radaideh, Hassan Al Abdulgader and Matthias Barjenbruch
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