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Membrane Water Treatment Volume 4, Number 4, October 2013 , pages 277-291 DOI: https://doi.org/10.12989/mwt.2013.4.4.277 |
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Recovery of Levafix brilliant red E-4BA and Levafix brilliant red E-6BA from aqueous solution by supported liquid membrane |
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G. Muthuraman, M. Sathya, M. Soniya and S. Elumalai
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Abstract | ||
The transport and recovery of Levafix brilliant red E-4BA and Levafix brilliant red E-6BA were investigated using polytetrafluoroethylene (PTFE) fiber based supported liquid membrane containing tetra butyl ammonium bromide (TBAB) in coconut oil as a carrier. The influencing parameters studied are: pH of the feed solution, concentration of dye in the feed solution, extractant concentration, and various kind of stripping agent, rate of stirring, time of transport, reusability of membrane and stability of membrane. Increase in TBAB concentration inside the membrane enhances the flux with its maximum value at 1.553 | ||
Key Words | ||
bipolar membrane; dry-out; current-voltage curve; electro-osmosis; water absorption | ||
Address | ||
G. Muthuraman, M. Sathya, M. Soniya and S. Elumalai: University of Madras, Department of Chemistry, Presidency College, Chennai 600 005, India. | ||