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dc.contributor.authorChen, Qian
dc.contributor.authorAkhtar, Faheem
dc.contributor.authorBurhan, Muhammad
dc.contributor.authorKumja, M
dc.contributor.authorNg, Kim Choon
dc.date.accessioned2021-10-26T11:29:17Z
dc.date.available2021-10-26T11:29:17Z
dc.date.issued2021-10-25
dc.date.submitted2021-08-21
dc.identifier.citationChen, Q., Akhtar, F. H., Burhan, M., Kumja, M., & Ng, K. C. (2021). A novel zero-liquid discharge desalination system based on the humidification-dehumidification process: a preliminary study. Water Research, 117794. doi:10.1016/j.watres.2021.117794
dc.identifier.issn0043-1354
dc.identifier.doi10.1016/j.watres.2021.117794
dc.identifier.urihttp://hdl.handle.net/10754/672963
dc.description.abstractAs a byproduct of desalination plants, brine is increasingly becoming a threat to the environment, and the design of zero-liquid discharge desalination (ZLDD) systems is gaining increasing attention. Existing ZLDD systems are limited by a high energy intensity and high plant costs of their crystallizers. This study proposes a novel crystallization method based on the humidification-dehumidification (HDH) process, which exhibits the advantages of a low energy consumption, low component costs and a reduced scaling and fouling potential. A simple experimental setup is first designed to demonstrate the feasibility of the proposed system. Brine concentration and salt crystallization are successfully achieved with air heated to 40 ℃ as the heat source. Afterwards, a thermo-economic analysis is conducted for the whole system. The specific thermal energy and electricity consumption levels are found to range from 700-900 and 5-11 kJ, respectively, per kg of feed brine. The energy consumption is 56% lower than that of a conventional evaporative crystallizer, and the initial plant cost is reduced by 58%. Keywords: zero-liquid discharge desalination; crystallization; humidification-dehumidification.
dc.description.sponsorshipThis research was supported by the Water Desalination and Reuse Center (WDRC), King Abdullah University of Science and Technology (KAUST).
dc.publisherElsevier BV
dc.relation.urlhttps://linkinghub.elsevier.com/retrieve/pii/S004313542100988X
dc.rightsThis article is available under the Creative Commons CC-BY-NC-ND license and permits non-commercial use of the work as published, without adaptation or alteration provided the work is fully attributed.
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.titleA novel zero-liquid discharge desalination system based on the humidification-dehumidification process: a preliminary study
dc.typeArticle
dc.contributor.departmentBiological and Environmental Science and Engineering (BESE) Division
dc.contributor.departmentEnvironmental Science and Engineering Program
dc.contributor.departmentWater Desalination and Reuse Research Center (WDRC)
dc.identifier.journalWater Research
dc.eprint.versionPublisher's Version/PDF
dc.contributor.institutionDepartment of Chemistry and Chemical Engineering, Lahore University of Management Sciences (LUMS). DHA, Lahore 54792, Pakistan.
dc.identifier.pages117794
kaust.personChen, Qian
kaust.personAkhtar, Faheem Hassan
kaust.personBurhan, Muhammad
kaust.personKumja, M
kaust.personNg, Kim Choon
dc.date.accepted2021-10-20
refterms.dateFOA2021-10-26T11:30:37Z
kaust.acknowledged.supportUnitWater Desalination and Reuse Center (WDRC)
dc.date.published-online2021-10-25
dc.date.published-print2021-10


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This article is available under the Creative Commons CC-BY-NC-ND license and permits non-commercial use of the work as published, without adaptation or alteration provided the work is fully attributed.
Except where otherwise noted, this item's license is described as This article is available under the Creative Commons CC-BY-NC-ND license and permits non-commercial use of the work as published, without adaptation or alteration provided the work is fully attributed.