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ECN publication
Breakthrough in pervaporation membrane for dehydration of solvent streams
Vente, J.F.; Kreiter, R.; Brinkman, H.W.; Castricum, H.L.; Elshof, J.E. ten
Published by: Publication date:
ECN Energy Efficiency in Industry 30-6-2008
ECN report number: Document type:
ECN-V--08-015 Article
Number of pages: Full text:
3 Download PDF  

Published in: NPT Procestechnologie (), , juni 2008, Vol.3, p.18-19.

After several years of development, researchers at the Universities of Twente and Amsterdam and the Energy research Centre of the Netherlands have succeeded in obtaining a membrane system which is hydrothermally stable under semi-industrial dehydrating conditions at elevated tempreature. This organic-inorganic hybrid membrane system combines the best of both worlds: flexibility and water repelling properties of organics, and thermal and solvent stability of ceramic membranes. Continuous testing over periods of up to almost two years revealed reliable and stable operation of this membrane system for the dehydration of a 95 wt% n-butanol - 5 wt% water mixcture via pervaporation at 150 degrees Celcius.

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