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Recycling Poultry Feathers For Pb Removal From Wastewater: Kinetic And Equilibrium Studies, Guadalupe De La Rosa, Hilde Elizabeth Reynel-Avila, Adrian Bonilla-Petriciolet, Irene Cano-Rodriguez, Carlos Velasco-Santos, Ana Laura Martinez-Hernandez
Recycling Poultry Feathers For Pb Removal From Wastewater: Kinetic And Equilibrium Studies, Guadalupe De La Rosa, Hilde Elizabeth Reynel-Avila, Adrian Bonilla-Petriciolet, Irene Cano-Rodriguez, Carlos Velasco-Santos, Ana Laura Martinez-Hernandez
Adrian Bonilla-Petriciolet
Chicken feathers were used as biosorbent for Pb removal from aqueous solution. In this paper, the kinetics and equilibrium studies at several pH, temperature, and metal concentration values are reported. For tested conditions, the Pb sorption capacity of this poultry waste ranged from 0.8 to 8.3 mg/g. Optimal conditions for Pb removal by chicken feathers have been identified. Pseudo-first order and pseudo-second order equations were used to analyze the experimental data. In addition, the sorption isotherms were fitted to classical Langmuir and Freundlich models. Finally, thermodynamic parameters for the sorption process have been determined. In summary, the results showed that …