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    Interfacially Polymerized Thin-Film Composite Membranes Based on Biophenolic Material for Liquid Separation

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    Name:
    BananAlhazmiThesis.pdf
    Size:
    8.165Mb
    Format:
    PDF
    Description:
    Banan Alhazmi - Final Thesis Paper
    Embargo End Date:
    2021-07-26
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    Type
    Thesis
    Authors
    Alhazmi, Banan O. cc
    Advisors
    Nunes, Suzana Pereira cc
    Committee members
    Hadjichristidis, Nikos cc
    Szekely, Gyorgy cc
    Program
    Chemical Engineering
    KAUST Department
    Physical Science and Engineering (PSE) Division
    Date
    2020-07
    Embargo End Date
    2021-07-26
    Permanent link to this record
    http://hdl.handle.net/10754/664380
    
    Metadata
    Show full item record
    Access Restrictions
    At the time of archiving, the student author of this thesis opted to temporarily restrict access to it. The full text of this thesis will become available to the public after the expiration of the embargo on 2021-07-26.
    Abstract
    Abstract: The aim of this research is to fabricate thin-film composite (TFC) membranes using a synthetic derivative of plant-based phenols, as a non-toxic building block for interfacial polymerization. Classical interfacially polymerized composite membranes are heavily integrated in reverse osmosis and nanofiltration applications for water and wastewater treatment and most recently for chemical and pharmaceutical industries. Implementing sustainable practices in membrane fabrication by exploiting greener alternatives to conventional chemicals can directly reduce hazardous waste and ultimately lower the global energy and environmental burdens. In this study, allyl gallate was chosen as a monomer to form selective thin films by the interfacial reaction with trimesoyl chloride on top of an asymmetrically porous polyacrylonitrile support. The advantage of the unreacted allyl groups is that they can be in the future used as post-functionalization sites. The highly volatile organic phase solvents were additionally replaced by an isoparaffinic fluid, commercially known as Isopar G. The chemical composition and morphology of the membrane was evaluated using solid-state 13C NMR, FTIR, and SEM. The optimized membrane resulted in a permeance of 12±2 and 48±14 L m-2 h-1 bar-1 for respectively pure water and methanol with a rejection in the nanofiltration range.
    Citation
    Alhazmi, B. O. (2020). Interfacially Polymerized Thin-Film Composite Membranes Based on Biophenolic Material for Liquid Separation. KAUST Research Repository. https://doi.org/10.25781/KAUST-T00WM
    DOI
    10.25781/KAUST-T00WM
    ae974a485f413a2113503eed53cd6c53
    10.25781/KAUST-T00WM
    Scopus Count
    Collections
    Theses; Physical Science and Engineering (PSE) Division; Chemical Engineering Program

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