Development of Activated Local Clay for Removal of Heavy Metals from Breweries Wastewater

Umoh Uwemedimo Eyibio, K. R. Onifade, A. G. Isah

Abstract


Clay obtained from Kankara clay, Katsina State was modified to study its adsorptive potential of heavy metals in brewery effluent streams. The Optimum operating parameters for the activation of Kankara clay activation with HCl acid were: acid concentration, 3M; activation temperature, 100 0C and activation time, 75 min which gave adsorption uptake of 99.42 % on Fe2+ removal. The activated Kankara clay at optimum conditions were subjected to batch adsorption for removal of Pb2+, Cr2+ and Fe2+ which gave an adsorption capacity of 1.156 mg/g.


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