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    Experimental investigation of a solar-heated direct contact membrane distillation system using evacuated tube collectors

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    Name:
    Solar MD paper 8-April-20 Desalination journal.pdf
    Size:
    1.639Mb
    Format:
    PDF
    Description:
    Accepted manuscript
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    Type
    Article
    Authors
    Bamasag, Ahmad
    Alqahtani, Talal
    Sinha, Shahnawaz
    Ghaffour, NorEddine cc
    Phelan, Patrick
    KAUST Department
    Environmental Science and Engineering Program
    Biological and Environmental Sciences and Engineering (BESE) Division
    Date
    2020-05-12
    Online Publication Date
    2020-05-12
    Print Publication Date
    2020-08
    Embargo End Date
    2022-05-12
    Submitted Date
    2020-03-03
    Permanent link to this record
    http://hdl.handle.net/10754/662860
    
    Metadata
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    Abstract
    Solar-powered membrane distillation (SP-MD) is examined as a promising renewable solution in the desalination and water treatment industry. In this study, an innovative direct contact membrane distillation (DCMD) module to directly utilize solar thermal energy is proposed. While previous studies focused more on utilizing solar energy indirectly (i.e. to heat the feed water outside the MD module), the proposed system integrates hollow fiber membranes inside evacuated tube solar collectors in order to achieve a more compact system. The performance of the direct SP-MD module is measured first indoors in a bench-scale experiment, and then tested outdoors under sunlight. Results show that applying radiation directly can enhance the efficiency and permeate flux up to 17% compared to the same process when radiation is not applied under the same operating conditions. The daily operation of a stand-alone, directly heated SP-MD unit equipped with 0.035 m2 membrane area achieved a permeate flux of 2.2 to 6.5 kg·m−2·h−1 depending on solar intensity.
    Citation
    Bamasag, A., Alqahtani, T., Sinha, S., Ghaffour, N., & Phelan, P. (2020). Experimental investigation of a solar-heated direct contact membrane distillation system using evacuated tube collectors. Desalination, 487, 114497. doi:10.1016/j.desal.2020.114497
    Sponsors
    King Abdulazaiz University (KAU) is acknowledged for supporting A. Bamasag's study at Arizona State University (ASU), USA. The authors would like to thank Benjamin Obeng from ASU, who helped in the modules' manufacturing process.
    Publisher
    Elsevier BV
    Journal
    Desalination
    DOI
    10.1016/j.desal.2020.114497
    Additional Links
    https://linkinghub.elsevier.com/retrieve/pii/S0011916420304471
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.desal.2020.114497
    Scopus Count
    Collections
    Articles; Biological and Environmental Science and Engineering (BESE) Division; Environmental Science and Engineering Program

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