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2012•Procedia EngineeringOpen access

Treatment of Polluted Aqueous Solutions by Ni2+, Pb2+, Zn2+, Cr+6,Cd+2 and Co+2 Ions by Ion Exchange Process Using Faujasite Zeolite

Hadj Mekatel, Samira Amokrane, Asma Benturki, Djamel Nibou

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Abstract

This work consists with the use of a Na-Y zeolite for the recovery of Ni2+, Pb2+, Zn2+, Cr6+, Cd2+ and Co2+ ions starting from prepared aqueous solutions by batch process mode. Zeolite Na-Y was characterized by XRD, SEM and EDS techniques. The sodium exchanged ions existing in zeolite were measured by a potentiometric technique, based to the measure of the potential of selective sodium electrode. The ion effect on the exchange percentage of zeolite Na-Y was study. Kinetic, equilibrium and thermodynamic studies were also carried out. The obtained results show that zeolite Na-Y is effective in the recovery of the studied ions.

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This work consists with the use of a Na-Y zeolite for the recovery of Ni2+, Pb2+, Zn2+, Cr6+, Cd2+ and Co2+ ions starting from prepared aqueous solutions by batch process mode. Zeolite Na-Y was characterized by XRD, SEM and EDS techniques. The sodium exchanged ions existing in zeolite were measured by a potentiometric technique, based to the measure of the potential of selective sodium electrode. The ion effect on the exchange percentage of zeolite Na-Y was study. Kinetic, equilibrium and thermodynamic studies were also carried out. The obtained results show that zeolite Na-Y is effective in the recovery of the studied ions.

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Available abstract

This work consists with the use of a Na-Y zeolite for the recovery of Ni2+, Pb2+, Zn2+, Cr6+, Cd2+ and Co2+ ions starting from prepared aqueous solutions by batch process mode. Zeolite Na-Y was characterized by XRD, SEM and EDS techniques. The sodium exchanged ions existing in zeolite were measured by a potentiometric technique, based to the measure of the potential of selective sodium electrode. The ion effect on the exchange percentage of zeolite Na-Y was study. Kinetic, equilibrium and thermodynamic studies were also carried out. The obtained results show that zeolite Na-Y is effective in the recovery of the studied ions.

Key concepts: Zeolite, Faujasite, Aqueous solution, Ion exchange, Chemistry, Inorganic chemistry, Potentiometric titration, Ion

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Treatment of Polluted Aqueous Solutions by Ni2+, Pb2+, Zn2+, Cr+6,Cd+2 and Co+2 Ions by Ion Exchange Process Using Faujasite Zeolite — Research Paper | ScholarLens