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    Electrochemically Active Polymeric Hollow Fibers based on Poly(ether- b -amide)/Carbon Nanotubes

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    Type
    Article
    Authors
    Cuevas Mendoza, Carolina
    Kim, Dooli cc
    Katuri, Krishna
    Saikaly, Pascal cc
    Nunes, Suzana Pereira cc
    KAUST Department
    Advanced Membranes and Porous Materials Research Center
    Biological and Environmental Sciences and Engineering (BESE) Division
    Environmental Biotechnology Research Group
    Environmental Science and Engineering Program
    Kindergarten
    Nanostructured Polymeric Membrane Lab
    Physical Science and Engineering (PSE) Division
    Water Desalination and Reuse Research Center (WDRC)
    Date
    2017-09-18
    Permanent link to this record
    http://hdl.handle.net/10754/625489
    
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    Abstract
    A simple and effective method to incorporate catalytic activity to a hollow fiber membrane is reported. Polyetherimide hollow fiber membranes were coated with a solution containing carboxyl-functionalized multi-walled carbon nanotubes and poly(ether-b-amide). Electron microscopy images confirmed the presence of a layer of percolating carbon nanotubes on the surface of the membranes. Cyclic voltammetry and linear swept voltammetry experiments showed that these membranes are able to drive the reactions of hydrogen evolution, and oxygen reduction, making them a cheaper, and greener substitute for platinum based cathodes in microbial bioelectrochemical systems. Water flux and molecular weight cut off experiments indicated that the electrochemically active coating layer does not affect the ultrafiltration performance of the membrane.
    Citation
    Cuevas C, Kim D, Katuri KP, Saikaly P, Nunes SP (2017) Electrochemically Active Polymeric Hollow Fibers based on Poly(ether- b -amide)/Carbon Nanotubes. Journal of Membrane Science. Available: http://dx.doi.org/10.1016/j.memsci.2017.09.052.
    Sponsors
    This work was sponsored by King Abdullah University of Science and Technology (KAUST).
    Publisher
    Elsevier BV
    Journal
    Journal of Membrane Science
    DOI
    10.1016/j.memsci.2017.09.052
    Additional Links
    http://www.sciencedirect.com/science/article/pii/S037673881731445X
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.memsci.2017.09.052
    Scopus Count
    Collections
    Articles; Biological and Environmental Science and Engineering (BESE) Division; Advanced Membranes and Porous Materials Research Center; Environmental Science and Engineering Program; Physical Science and Engineering (PSE) Division; Water Desalination and Reuse Research Center (WDRC)

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