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    Carbon molecular sieve membranes for biofuel separation

    Year: 2011

    Journal: Carbon 2011, 49 (2) pp 369-375, 20121211

    Authors: Pei Shi Tin, Huey Yi Lin, Rui Chin Ong, Tai-Shung Chung

    Organizations: Department of Chemical and Biomolecular Engineering, National University of Singapore, 10 Kent Ridge Crescent, Singapore 119260, Singapore; School of Chemical and Life Sciences, Singapore Polytechnic, 500 Dover Road, Singapore 139651, Singapore

    A feasibility study was conducted to explore the potential application of carbonmolecularsievemembranes (CMSMs) in biofuelseparation through pervaporation. “Defect-free” carbon/ceramic composite membranes were prepared as the separation barrier for the dehydration of ethanol. The supported CMSM carbonized at 650 °C showed a great total flux of 4 kg/m2 h with a reasonably high separation factor of 50 at a feed temperature of 60 °C and did not swell in high temperature operations. These carbonmembranes demonstrate outstanding separation performance and offer a viable alternative to current membranes for the separation and purification of biofuels