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    Hollow Fibers with Encapsulated Green Amino Acid-Based Ionic Liquids for Dehydration

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    Name:
    6071-Capsule manuscript revised-non tracked-nov1.pdf
    Size:
    2.486Mb
    Format:
    PDF
    Description:
    Accepted Manuscript
    Embargo End Date:
    2021-11-18
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    Type
    Article
    Authors
    Gebreyohannes, Abaynesh Yihdego cc
    Upadhyaya, Lakshmeesha
    Silva, Liliana P. cc
    Falca, Gheorghe
    Carvalho, Pedro J. cc
    Nunes, Suzana Pereira cc
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Environmental Science and Engineering Program
    Date
    2020-11-18
    Embargo End Date
    2021-11-18
    Submitted Date
    2020-08-15
    Permanent link to this record
    http://hdl.handle.net/10754/666071
    
    Metadata
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    Abstract
    Dehydration technologies with low energy consumption using non-toxic materials are important in industrial, residential, and transport applications. Herein, nanocomposite polymeric hollow fibers with high dehydration capability were demonstrated with the incorporation of green amino acid-based ionic liquids. The ionic liquid was encapsulated in designed submicrometer carbon capsules (ENILs) and dispersed in thin polydimethylsiloxane (PDMS) coating layers. The effect of different coating compositions and operation conditions on the water vapor permeance and selectivity of water vapor over nitrogen was investigated using vacuum and sweep gas. Both sorption and permeation results suggested strong interactions between the water vapor and the encapsulated ionic liquid. The selectivity greatly depends on the PDMS coating and the amount of loaded ENIL. A linear increase of the water vapor over nitrogen selectivity was observed up to 50% ENIL loading in PDMS. The membrane systems had water vapor permeance up to 10,600 GPU and selectivity of 4500, which are promising characteristics for application in membrane air dehumidification and other dehydration processes
    Citation
    Gebreyohannes, A. Y., Upadhyaya, L., Silva, L. P., Falca, G., Carvalho, P. J., & Nunes, S. P. (2020). Hollow Fibers with Encapsulated Green Amino Acid-Based Ionic Liquids for Dehydration. ACS Sustainable Chemistry & Engineering. doi:10.1021/acssuschemeng.0c06001
    Publisher
    American Chemical Society (ACS)
    Journal
    ACS Sustainable Chemistry & Engineering
    DOI
    10.1021/acssuschemeng.0c06001
    Additional Links
    https://pubs.acs.org/doi/10.1021/acssuschemeng.0c06001
    ae974a485f413a2113503eed53cd6c53
    10.1021/acssuschemeng.0c06001
    Scopus Count
    Collections
    Articles; Biological and Environmental Sciences and Engineering (BESE) Division; Environmental Science and Engineering Program

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