Abstract
Adsorption on granular activated carbon or resin and air stripping are conventional processes used to reduce the amount of organic compound in drinking water. Pervaporation has been recently suggested as an alternative technique. This paper relates experimental studies on pervaporation through dense membranes and stripping on microporous membranes in order to remove trace amounts of halogenated compounds from drinking water. We observe that concentration polarization may develop at the liquid-membrane interface. The experimental data fit the film theory model very well. Further investigations on mass transfer were made in order to test the potential of these techniques. Pervaporation and stripping on micro-porous membranes is comparable in operating cost to air-stripping. However, additional research is required to find ways to lower the membrane cost in the pervaporation system.
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© 1997 Springer-Verlag Berlin Heidelberg
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Julien, E., Aurelle, Y. (1997). Pervaporation and Membrane Stripping: Potentialities on Micropollutants Removal from Water. In: Jain, R.K., Aurelle, Y., Cabassud, C., Roustan, M., Shelton, S.P. (eds) Environmental Technologies and Trends. Environmental Engineering. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-59235-5_5
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DOI: https://doi.org/10.1007/978-3-642-59235-5_5
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