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Adsorption of Cr(VI) from Aqueous Solution Using a Low Cost Activated Carbon Prepared from Pomegranate Peel


Affiliations
1 Department of Chemistry, PSG College of Arts and Science, Coimbatore, Tamil Nadu, India
2 Department of Chemistry, Avinashilingam Deemed University, Coimbatore, Tamil Nadu, India
3 Department of Chemistry, Erode Sengunthar Engineering College, Erode, Tamil Nadu, India
4 Department of Biotechnology, Karpagam Arts and Science College, Coimbatore, Tamil Nadu, India
 

Studies on removal of Cr (VI) from aqueous solution using activated pomegranate peel carbon have been carried out at 32°C. Various parameters such as initial concentration of adsorbate, pH, adsorbent dosage and agitation time were studied by conducting batch mode experiments. The experimental adsorption data fitted reasonably well to Langmuir and Freundlich adsorption isotherms. The adsorption follows Lagergren first order kinetic model. The thermodynamic parameter enthalpy change (DH) suggests exothermic nature of adsorption of Cr(VI) on to activated pomegranate peel carbon.
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  • Adsorption of Cr(VI) from Aqueous Solution Using a Low Cost Activated Carbon Prepared from Pomegranate Peel

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Authors

M. Jambulingam
Department of Chemistry, PSG College of Arts and Science, Coimbatore, Tamil Nadu, India
N. Renugadevi
Department of Chemistry, Avinashilingam Deemed University, Coimbatore, Tamil Nadu, India
S. Karthikeyan
Department of Chemistry, Erode Sengunthar Engineering College, Erode, Tamil Nadu, India
J. Kiruthika
Department of Biotechnology, Karpagam Arts and Science College, Coimbatore, Tamil Nadu, India

Abstract


Studies on removal of Cr (VI) from aqueous solution using activated pomegranate peel carbon have been carried out at 32°C. Various parameters such as initial concentration of adsorbate, pH, adsorbent dosage and agitation time were studied by conducting batch mode experiments. The experimental adsorption data fitted reasonably well to Langmuir and Freundlich adsorption isotherms. The adsorption follows Lagergren first order kinetic model. The thermodynamic parameter enthalpy change (DH) suggests exothermic nature of adsorption of Cr(VI) on to activated pomegranate peel carbon.