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dc.contributor.authorSon, Hyuk Soo
dc.contributor.authorKim, Youngjin
dc.contributor.authorNawaz, Muhammad Saqib
dc.contributor.authorAl-Hajji, Mohammed Ali
dc.contributor.authorAbu-Ghdaib, Muhannad
dc.contributor.authorSoukane, Sofiane
dc.contributor.authorGhaffour, NorEddine
dc.date.accessioned2020-10-20T13:31:26Z
dc.date.available2020-10-20T13:31:26Z
dc.date.issued2020-10-18
dc.identifier.citationSon, H. S., Kim, Y., Nawaz, M. S., Al-Hajji, M. A., Abu-Ghdaib, M., Soukane, S., & Ghaffour, N. (2020). Impact of osmotic and thermal isolation barrier on concentration and temperature polarization and energy efficiency in a novel FO-MD integrated module. Journal of Membrane Science, 118811. doi:10.1016/j.memsci.2020.118811
dc.identifier.issn0376-7388
dc.identifier.doi10.1016/j.memsci.2020.118811
dc.identifier.urihttp://hdl.handle.net/10754/665637
dc.description.abstractIn this study, a novel integrated forward osmosis - membrane distillation (FO-MD) module equipped with an isolation barrier carefully placed between the FO and MD membranes is experimentally investigated, and its performance is compared with a conventional hybrid module. The function of the isolation barrier is to osmotically and thermally separate the FO draw solution (DS) and MD feed channels. A systematic approach is adopted to compare the flux through both modules under (i) different and similar hydrodynamic conditions, (ii) different DS concentrations and temperatures, and (iii) different feed solution concentrations. All experiments were performed for 9 h each in batch mode using a custom-made compact module. New FO and MD membrane sheets were mounted for each experiment to ensure similarity in operating conditions. The proposed module design increased the flux by 22.1% using the same module dimensions but different hydrodynamic conditions. The flux increased by 16.6% using the same hydrodynamic conditions but different module dimensions. The FO/MD energy ratio reduced from 0.89 to 0.64 for the novel module, indicating better utilization of energy (primarily from MD). The gain output ratio (GOR) increased on average by 15.8% for the novel module compared to the conventional module, with a maximum increment of 20.7%. The temperature and concentration polarization coefficients in the MD operations showed improvements of 17.4% and 2.6%, respectively. The presence of the isolation barrier inside the integrated module indicated promising improvements of the flux and internal heat recovery, and further significant enhancements are expected for larger scale modules. Additionally, the novel module design offers unprecedented process integration opportunities for FO-MD as well as other membrane hybrid systems.
dc.description.sponsorshipThe research reported in this paper was supported by King Abdullah University of Science and Technology (KAUST), Saudi Arabia, through a sponsored research project by Saudi Aramco, Grant # RGC/3/3598-01-01. The help, assistance, and support of the staff at the Water Desalination and Reuse Center (WDRC) are much appreciated.
dc.publisherElsevier BV
dc.relation.urlhttps://linkinghub.elsevier.com/retrieve/pii/S0376738820313867
dc.rightsNOTICE: this is the author’s version of a work that was accepted for publication in Journal of Membrane Science. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Membrane Science, [, , (2020-10-18)] DOI: 10.1016/j.memsci.2020.118811 . © 2020. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.titleImpact of osmotic and thermal isolation barrier on concentration and temperature polarization and energy efficiency in a novel FO-MD integrated module
dc.typeArticle
dc.contributor.departmentEnvironmental Science and Engineering Program
dc.contributor.departmentBiological and Environmental Sciences and Engineering (BESE) Division
dc.contributor.departmentWater Desalination and Reuse Research Center (WDRC)
dc.identifier.journalJournal of Membrane Science
dc.rights.embargodate2022-10-18
dc.eprint.versionPost-print
dc.contributor.institutionDepartment of Environmental Engineering, College of Science and Technology, Korea University, Sejong, 30019, Republic of Korea
dc.contributor.institutionEnergy Systems Division, Process & Control Systems Department (P&CSD), Saudi Aramco, Dhahran, Saudi Arabia
dc.identifier.pages118811
kaust.personSon, Hyuk Soo
kaust.personNawaz, Muhammad Saqib
kaust.personSoukane, Sofiane
kaust.personGhaffour, Noreddine
kaust.grant.numberRGC/3/3598-01-01
kaust.acknowledged.supportUnitWater Desalination and Reuse Center (WDRC)
dc.date.published-online2020-10-18
dc.date.published-print2020-10


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