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Application of Acid Treated Carbon Derived from Biomass (Lantana camara) for Removal of Phenol from Aqueous Solutions

Pushpa Jha, Priya Rani


The presence of phenolic compounds is toxic and harmful to human health and aquatic life. Five biomass: cotton stalk, rice straw, bagasse, wheat straw and Lantana camara were characterized. Based on characterization and availability, Lantana camara (LC) was selected for study as an adsorbent. LC and activated Lantana camara (ALC) were further characterized and studied for their suitability as the commercial adsorbent for removal of phenol. Equilibrium study on ALC was done based on optimized conditions of adsorbent dosage, pH, initial phenol concentration, shaking speed and time of contact. The sorption isotherm fits Freundlich isotherm indicating multilayer adsorption. Maximum sorption capacity is 828.562 mg/g indicating its capacity comparable to commercial grade carbon. The kinetic data fits pseudo-first-order kinetics indicating there is a possibility of physical adsorption.

Keywords: agro-residues, adsorbent, phenol, Lantana camara

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