Journal of Surface Science and Technology

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Cadmium Removal by Adsorption: Enhancement by Surfactant Mediation


Affiliations
1 Department of Chemical Engineering, Institute of Chemical Technology, Matunga, Mumbai – 400019, Maharashtra, India
2 Department of Chemistry, Institute of Chemical Technology, Matunga, Mumbai – 400019, Maharashtra, India
     

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This work proposes to tackle the problem of heavy metal contamination of water, using adsorption phenomenon. We have tried to enhance the adsorptive cadmium uptake capacity of activated carbon by modifying its surface with the surfactant - Alpha olefin sulfonate. The effect of contact time and the initial concentration on the adsorption process has been determined. Study of the cadmium uptake by both the unmodified and surfactant modified carbon, with the adsorption data fitted to adsorption isotherms, showed the cadmium uptake capacity of the surfactant modified activated carbon to have enhanced two-fold over the unmodified activated carbon.

Keywords

Activated Carbon, Alpha Olefin Sulfonate, Cadmium, Surfactant Modified Activated Carbon.
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  • Cadmium Removal by Adsorption: Enhancement by Surfactant Mediation

Abstract Views: 342  |  PDF Views: 2

Authors

Akshaya R. Chavan
Department of Chemical Engineering, Institute of Chemical Technology, Matunga, Mumbai – 400019, Maharashtra, India
Radha V. Jayaram
Department of Chemistry, Institute of Chemical Technology, Matunga, Mumbai – 400019, Maharashtra, India
Sunil S. Bhagwat
Department of Chemical Engineering, Institute of Chemical Technology, Matunga, Mumbai – 400019, Maharashtra, India

Abstract


This work proposes to tackle the problem of heavy metal contamination of water, using adsorption phenomenon. We have tried to enhance the adsorptive cadmium uptake capacity of activated carbon by modifying its surface with the surfactant - Alpha olefin sulfonate. The effect of contact time and the initial concentration on the adsorption process has been determined. Study of the cadmium uptake by both the unmodified and surfactant modified carbon, with the adsorption data fitted to adsorption isotherms, showed the cadmium uptake capacity of the surfactant modified activated carbon to have enhanced two-fold over the unmodified activated carbon.

Keywords


Activated Carbon, Alpha Olefin Sulfonate, Cadmium, Surfactant Modified Activated Carbon.

References





DOI: https://doi.org/10.18311/jsst%2F2020%2F18643