Membrane-based seawater desalination: Present and future prospects

Handle URI:
http://hdl.handle.net/10754/622218
Title:
Membrane-based seawater desalination: Present and future prospects
Authors:
Amy, Gary L.; Ghaffour, Noreddine ( 0000-0003-2095-4736 ) ; Li, Zhenyu; Francis, Lijo; Valladares Linares, Rodrigo ( 0000-0003-3790-3249 ) ; Missimer, Thomas; Lattemann, Sabine
Abstract:
Given increasing regional water scarcity and that almost half of the world's population lives within 100 km of an ocean, seawater represents a virtually infinite water resource. However, its exploitation is presently limited by the significant specific energy consumption (kWh/m) required by conventional desalination technologies, further exasperated by high unit costs ($/m) and environmental impacts including GHG emissions (g CO-eq/m), organism impingement/entrainment through intakes, and brine disposal through outfalls. This paper explores the state-of-the-art in present seawater desalination practice, emphasizing membrane-based technologies, while identifying future opportunities in step improvements to conventional technologies and development of emerging, potentially disruptive, technologies through advances in material science, process engineering, and system integration. In this paper, seawater reverse osmosis (RO) serves as the baseline conventional technology. The discussion extends beyond desalting processes into membrane-based salinity gradient energy production processes, which can provide an energy offset to desalination process energy requirements. The future membrane landscape in membrane-based desalination and salinity gradient energy is projected to include ultrahigh permeability RO membranes, renewable-energy driven desalination, and emerging processes including closed-circuit RO, membrane distillation, forward osmosis, pressure retarded osmosis, and reverse electrodialysis according various niche applications and/or hybrids, operating separately or in conjunction with RO.
KAUST Department:
Water Desalination and Reuse Research Center (WDRC)
Citation:
Amy G, Ghaffour N, Li Z, Francis L, Linares RV, et al. (2017) Membrane-based seawater desalination: Present and future prospects. Desalination 401: 16–21. Available: http://dx.doi.org/10.1016/j.desal.2016.10.002.
Publisher:
Elsevier BV
Journal:
Desalination
Issue Date:
20-Oct-2016
DOI:
10.1016/j.desal.2016.10.002
Type:
Article
ISSN:
0011-9164
Appears in Collections:
Articles; Water Desalination and Reuse Research Center (WDRC)

Full metadata record

DC FieldValue Language
dc.contributor.authorAmy, Gary L.en
dc.contributor.authorGhaffour, Noreddineen
dc.contributor.authorLi, Zhenyuen
dc.contributor.authorFrancis, Lijoen
dc.contributor.authorValladares Linares, Rodrigoen
dc.contributor.authorMissimer, Thomasen
dc.contributor.authorLattemann, Sabineen
dc.date.accessioned2017-01-02T08:42:38Z-
dc.date.available2017-01-02T08:42:38Z-
dc.date.issued2016-10-20en
dc.identifier.citationAmy G, Ghaffour N, Li Z, Francis L, Linares RV, et al. (2017) Membrane-based seawater desalination: Present and future prospects. Desalination 401: 16–21. Available: http://dx.doi.org/10.1016/j.desal.2016.10.002.en
dc.identifier.issn0011-9164en
dc.identifier.doi10.1016/j.desal.2016.10.002en
dc.identifier.urihttp://hdl.handle.net/10754/622218-
dc.description.abstractGiven increasing regional water scarcity and that almost half of the world's population lives within 100 km of an ocean, seawater represents a virtually infinite water resource. However, its exploitation is presently limited by the significant specific energy consumption (kWh/m) required by conventional desalination technologies, further exasperated by high unit costs ($/m) and environmental impacts including GHG emissions (g CO-eq/m), organism impingement/entrainment through intakes, and brine disposal through outfalls. This paper explores the state-of-the-art in present seawater desalination practice, emphasizing membrane-based technologies, while identifying future opportunities in step improvements to conventional technologies and development of emerging, potentially disruptive, technologies through advances in material science, process engineering, and system integration. In this paper, seawater reverse osmosis (RO) serves as the baseline conventional technology. The discussion extends beyond desalting processes into membrane-based salinity gradient energy production processes, which can provide an energy offset to desalination process energy requirements. The future membrane landscape in membrane-based desalination and salinity gradient energy is projected to include ultrahigh permeability RO membranes, renewable-energy driven desalination, and emerging processes including closed-circuit RO, membrane distillation, forward osmosis, pressure retarded osmosis, and reverse electrodialysis according various niche applications and/or hybrids, operating separately or in conjunction with RO.en
dc.publisherElsevier BVen
dc.rightsNOTICE: this is the author’s version of a work that was accepted for publication in Desalination. 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 Desalination, 20 October 2016. DOI: 10.1016/j.desal.2016.10.002en
dc.subjectGreening of SWROen
dc.subjectMembranesen
dc.subjectSeawater desalinationen
dc.subjectSpecific energy consumptionen
dc.titleMembrane-based seawater desalination: Present and future prospectsen
dc.typeArticleen
dc.contributor.departmentWater Desalination and Reuse Research Center (WDRC)en
dc.identifier.journalDesalinationen
dc.eprint.versionPost-printen
dc.contributor.institutionCollege of Engineering and Science, Clemson University, Clemson, SC, 29634, United Statesen
dc.contributor.institutionChemical and Biomolecular Engineering, National University of Singapore, 119077, Singaporeen
dc.contributor.institutionFlorida Gulf Coast University, Fort Myers, FL, 33965, United Statesen
kaust.authorAmy, Gary L.en
kaust.authorGhaffour, Noreddineen
kaust.authorLi, Zhenyuen
kaust.authorFrancis, Lijoen
kaust.authorValladares Linares, Rodrigoen
kaust.authorLattemann, Sabineen
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