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    Transport phenomena and fouling in vacuum enhanced direct contact membrane distillation: Experimental and modelling

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    Name:
    Revised manuscript_SEPPUR_2016_293.pdf
    Size:
    1.246Mb
    Format:
    PDF
    Description:
    Accepted Manuscript
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    Type
    Article
    Authors
    Naidu, Gayathri
    Shim, Wang Geun
    Jeong, Sanghyun
    Choi, Youngkwon
    Ghaffour, NorEddine cc
    Vigneswaran, Saravanamuthu
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Environmental Science and Engineering Program
    Water Desalination and Reuse Research Center (WDRC)
    Date
    2016-08-27
    Online Publication Date
    2016-08-27
    Print Publication Date
    2017-01
    Permanent link to this record
    http://hdl.handle.net/10754/622345
    
    Metadata
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    Abstract
    The application of vacuum to direct contact membrane distillation (vacuum enhanced direct contact membrane distillation, V-DCMD) removed condensable gasses and reduced partial pressure in the membrane pores, achieving 37.6% higher flux than DCMD at the same feed temperature. Transfer mechanism and temperature distribution profile in V-DCMD were studied. The empirical flux decline (EFD) model represented fouling profiles of V-DCMD. In a continuous V-DCMD operation with moderate temperature (55 degrees C) and permeate pressure (300 mbar) for treating wastewater ROC, a flux of 16.0 +/- 0.3 L/m(2) h and high quality distillate were achieved with water flushing, showing the suitability of V-DCMD for ROC treatment. (C) 2016 Elsevier B.V. All rights reserved.
    Citation
    Naidu G, Shim WG, Jeong S, Choi Y, Ghaffour N, et al. (2017) Transport phenomena and fouling in vacuum enhanced direct contact membrane distillation: Experimental and modelling. Separation and Purification Technology 172: 285–295. Available: http://dx.doi.org/10.1016/j.seppur.2016.08.024.
    Sponsors
    This study was funded by the Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC CARE) (Sustainable process for treatment of WWROC to achieve near zero liquid discharge 4.1.12.11/12).
    Publisher
    Elsevier BV
    Journal
    Separation and Purification Technology
    DOI
    10.1016/j.seppur.2016.08.024
    Additional Links
    http://www.sciencedirect.com/science/article/pii/S1383586616305718
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.seppur.2016.08.024
    Scopus Count
    Collections
    Articles; Biological and Environmental Science and Engineering (BESE) Division; Environmental Science and Engineering Program; Water Desalination and Reuse Research Center (WDRC)

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