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Abstract

Study of retention of silver ions onto activated carbon prepared from almond shell: Approach for the treatment of liquid effluent from radiology

Author(s): Abdessalem Omri, Haithem Bel Haj Ltaief, Mourad Benzina

This work reports the retention of silver ions from synthetic solution of silver nitrate regarded as a model of radiological effluent by prepared activated carbon. The effect of initial concentration of silver (I) ions, contact time and temperature on the retention process was studied in a batch process mode. The adsorption was relatively fast and equilibrium was established about 60 min. Equilibrium data were analyzed by the Langmuir and Freundlich isotherm model. The adsorption kinetics was found to be best represented by the pseudo-second-order kinetic model. Thermodynamic study showed that the adsorption was a spontaneous and endothermic process. Characterization of the activated carbon obtained from almond shell (ASC) was performed by using scanning electronmicroscopy (SEM), Fourier transform infrared spectroscopy (FTIR) and specific surface.


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Citations : 543

Environmental Science: An Indian Journal received 543 citations as per Google Scholar report

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