Abstract
In this study adsorption technique was used for the removal of antibiotic pollutants from wastewater. Cephalexin (CEX) was selected for the current study purpose as it is commonly used drug. Commercial activated carbon (AC) was used as the nano-adsorbent considering its high degree of porosity, availability, economic considerations, and environmental friendliness. Batch adsorption of cephalexin by commercially prepared activated carbon was used for the study. The parameters considered in the experiment include time, pH, concentration of adsorbent, adsorbate, and temperature of 298.15 K was maintained. It was found experimentally that with pH in acidic range (3-7), contact time of 1 hour, and 5mg per 20 ml dosage of adsorbent, the maximum removal efficiency of 87% was achieved. Isotherm and kinetic studies were carried out in this study. Keeping all these parameters constant, the method was tried out on stimulated hospital effluent and removal efficiency of 85% was obtained against cephalexin.
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