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dc.contributor.authorLee, Junggil
dc.contributor.authorKim, Youngdeuk
dc.contributor.authorKim, Wooseung
dc.contributor.authorFrancis, Lijo
dc.contributor.authorAmy, Gary L.
dc.contributor.authorGhaffour, NorEddine
dc.identifier.citationJung-Gil Lee, Young-Deuk Kim, Woo-Seung Kim, Lijo Francis, Gary Amy, Noreddine Ghaffour, Performance modeling of direct contact membrane distillation (DCMD) seawater desalination process using a commercial composite membrane, Journal of Membrane Science,
dc.description.abstractThis paper presents the development of a rigorous theoretical model to predict the transmembrane flux of a flat sheet hydrophobic composite membrane, comprising both an active layer of polytetrafluoroethylene and a scrim-backing support layer of polypropylene, in the direct contact membrane distillation (DCMD) process. An integrated model includes the mass, momentum, species and energy balances for both retentate and permeate flows, coupled with the mass transfer of water vapor through the composite membrane and the heat transfer across the membrane and through the boundary layers adjacent to the membrane surfaces. Experimental results and model predictions for permeate flux and performance ratio are compared and shown to be in good agreement. The permeate flux through the composite layer can be ignored in the consideration of mass transfer pathways at the composite membrane. The effect of the surface porosity and the thickness of active and support layers on the process performance of composite membrane has also been studied. Among these parameters, surface porosity is identified to be the main factor significantly influencing the permeate flux and performance ratio, while the relative influence of the surface porosity on the performance ratio is less than that on flux.
dc.description.sponsorshipThis research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT 82 Future Planning (NRF-2014R1A2A2A01006899).
dc.publisherElsevier BV
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, 10 January 2015. DOI: 10.1016/j.memsci.2014.12.053
dc.subjectComposite membrane
dc.subjectDirect contact membrane distillation
dc.subjectHeat and mass transfer
dc.titlePerformance modeling of direct contact membrane distillation (DCMD) seawater desalination process using a commercial composite membrane
dc.contributor.departmentBiological and Environmental Sciences and Engineering (BESE) Division
dc.contributor.departmentEnvironmental Science and Engineering Program
dc.contributor.departmentWater Desalination and Reuse Research Center (WDRC)
dc.identifier.journalJournal of Membrane Science
dc.contributor.institutionDepartment of Mechanical Engineering, Hanyang University, 222 Wangsimni-roSeongdong-gu, Seoul, South Korea
dc.contributor.institutionDepartment of Mechanical Engineering, Hanyang University, 55 Hanyangdaehak-roSangnok-gu, Ansan, Gyeonggi-do, South Korea
kaust.personFrancis, Lijo
kaust.personAmy, Gary L.
kaust.personGhaffour, Noreddine

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