Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.carbon.2006.07.008
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dc.titleDual-layer hollow carbon fiber membranes for gas separation consisting of carbon and mixed matrix layers
dc.contributor.authorJiang, L.Y.
dc.contributor.authorChung, T.-S.
dc.contributor.authorRajagopalan, R.
dc.date.accessioned2014-10-09T06:46:12Z
dc.date.available2014-10-09T06:46:12Z
dc.date.issued2007-01
dc.identifier.citationJiang, L.Y., Chung, T.-S., Rajagopalan, R. (2007-01). Dual-layer hollow carbon fiber membranes for gas separation consisting of carbon and mixed matrix layers. Carbon 45 (1) : 166-172. ScholarBank@NUS Repository. https://doi.org/10.1016/j.carbon.2006.07.008
dc.identifier.issn00086223
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/88778
dc.description.abstractHollow carbon fiber membranes for gas separation have been successfully fabricated for the first time by a special type of precursor. This precursor is dual-layer hollow fiber composed of a polysulfone-beta zeolite (PSF-beta) mixed matrix outer layer and a Matrimid inner layer. Pure gas permeation measurements show that the resultant hollow carbon fiber has O2/N2 and CO2/CH4 selectivities of 9.3 and 150, respectively; this performance is much better than that of the hollow carbon fiber derived from single-layer Matrimid hollow fiber. Mixed gas measurements show the CO2/CH4 selectivity of 128. After pyrolysis, the PSF-beta layer in the dual-layer precursor evolves into a continuous structure of closely packed zeolite particles embedded in the PSF carbon residue. TGA spectra suggest that the possible reason for the above observation is that the PSF-beta outer layer and Matrimid inner layer has significantly changed each other's pyrolysis dynamics and thermal degradation process. © 2006 Elsevier Ltd. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.carbon.2006.07.008
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentNUS NANOSCIENCE & NANOTECH INITIATIVE
dc.contributor.departmentCHEMICAL & BIOMOLECULAR ENGINEERING
dc.description.doi10.1016/j.carbon.2006.07.008
dc.description.sourcetitleCarbon
dc.description.volume45
dc.description.issue1
dc.description.page166-172
dc.description.codenCRBNA
dc.identifier.isiut000243583300025
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