Characterisation and Pervaporation Study on Ethanol Separation Membranes

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Duke, Mikel ORCID: 0000-0002-3383-0006, Campbell, Ruby, Cheng, Xu, Leo, A and Diniz da Costa, J. C (2009) Characterisation and Pervaporation Study on Ethanol Separation Membranes. Drying Technology, 27 (4). pp. 538-541. ISSN 0737-3937


Inorganic membranes have many advantages for dehydration of azeotropic mixtures of ethanol and water for renewable fuel purposes. In this work, we developed an inorganic membrane from c-alumina and tested it for its ability to selectively permeate water over ethanol. Ethanol adsorbed both chemically and physically on the surface of c-alumina, blocking the 47A ˚ pores sufficiently to enhance water selectivity. Stable flux was observed over 6 h, but after 4–5 h of continuous testing, water selectivity rose above 200 due to this blocking phenomenon.

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Item type Article
DOI 10.1080/07373930802715294
Subjects Historical > Faculty/School/Research Centre/Department > Institute for Sustainability and Innovation (ISI)
Historical > FOR Classification > 0904 Chemical Engineering
Historical > SEO Classification > 9004 Water and Waste Services
Keywords ResPubID17069, alumina membranes, ethanol dewatering, molecular sieving, renewable energy
Citations in Scopus 5 - View on Scopus
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