Pervaporative separation of butanol using a composite PDMS/PEI hollow fiber membrane |
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Affiliation: | 1. Chemical Engineering Department, Isfahan University of Technology, Isfahan 84155, Iran;2. Chemistry and Chemical Engineering Research Center of Iran, P.O. Box 14335-186, Tehran, Iran |
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Abstract: | In the study, the separation and purification of butanol was carried out using the composite hollow fiber membrane having the active layer of polydimethylsiloxane (PDMS) on the macroporous support of polyetherimide (PEI). The pervaporation results with the initial butanol concentration showed a trade-off between flux and separation factor. However, both the flux and the separation factor increased as the operating temperature increased. The pervaporation results showed the butanol flux and the separation factor were higher than those of the reported results. In this study, butanol was concentrated by the pervaporation as a feasibility study for the biofuel applications. |
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Keywords: | Butanol PDMS membrane, Composite hollow fiber membrane Pervaporation Separation |
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