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    Toluene impurity effects on CO2 separation using a hollow fiber membrane for natural gas

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    Type
    Article
    Authors
    Omole, Imona C.
    Bhandari, Dhaval A.
    Miller, Stephen J.
    Koros, William J.
    KAUST Grant Number
    KUS-I1-011-21
    Date
    2011-03
    Permanent link to this record
    http://hdl.handle.net/10754/600035
    
    Metadata
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    Abstract
    The performance of defect-free cross-linkable polyimide asymmetric hollow fiber membranes was characterized using an aggressive feed stream containing up to 1000ppm toluene. The membrane was shown to be stable against toluene-induced plasticization compared with analogs made from Matrimid®, a commercial polyimide. Permeation and sorption analysis suggest that the introduction of toluene vapors in the feed subjects the membrane to antiplasticization, as the permeance decreases significantly (to less than 30%) under the most aggressive conditions tested. Separation efficiencies reflected by permselectivities were less affected. The effect of the toluene on the membrane was shown to be reversible when the toluene was removed. © 2010 Elsevier B.V.
    Citation
    Omole IC, Bhandari DA, Miller SJ, Koros WJ (2011) Toluene impurity effects on CO2 separation using a hollow fiber membrane for natural gas. Journal of Membrane Science 369: 490–498. Available: http://dx.doi.org/10.1016/j.memsci.2010.12.035.
    Sponsors
    The authors greatly acknowledge the financial support from Chevron Energy Technology Company and Award no. KUS-I1-011-21 made by King Abdullah University of Science and Technology (KAUST).
    Publisher
    Elsevier BV
    Journal
    Journal of Membrane Science
    DOI
    10.1016/j.memsci.2010.12.035
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.memsci.2010.12.035
    Scopus Count
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