Solar Seawater Distillation by Flexible and Fully Passive Multistage Membrane Distillation
Type
ArticleAuthors
Wang, Wenbin
Shi, Yusuf

Zhang, Chenlin

Li, Renyuan

Wu, Mengchun

Zhuo, Sifei
Aleid, Sara

Wang, Peng

KAUST Department
Biological and Environmental Science and Engineering (BESE) DivisionEnvironmental Nanotechnology Lab
Environmental Science and Engineering
Environmental Science and Engineering Program
Physical Science and Engineering (PSE) Division
Water Desalination and Reuse Center, Division of Biological and Environmental Science and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
Water Desalination and Reuse Research Center (WDRC)
Date
2021-05-27Online Publication Date
2021-05-27Print Publication Date
2021-06-23Embargo End Date
2022-05-27Submitted Date
2021-03-05Permanent link to this record
http://hdl.handle.net/10754/669316
Metadata
Show full item recordAbstract
Solar-assisted distillation is considered promising to solve the freshwater supply for off-grid communities. In this work, a passive and flexible multistage membrane distillation (F-MSMD) device is devised to produce freshwater via solar distillation with the latent heat of vapor condensation being recycled to enhance its energy efficiency. By designing a siphon effect, source water is continuously wicked into the evaporation layer and the concentrated brine flows out of the device before reaching saturation, which successfully solves the otherwise challenge of salt accumulation inside the device. To achieve such siphon flow, the recycled paper is prepared from spent copy paper and used as the evaporation layer for efficient water delivery owing to its large pore size and high hydrophilicity. An eight-stage F-MSMD device exhibits a stable clean water production rate at 3.61 kg m<sup>-2</sup> h<sup>-1</sup> in the newly designed siphon-flow mode. This work provides a green route for designing a solar-assisted distillation device.Citation
Wang, W., Shi, Y., Zhang, C., Li, R., Wu, M., Zhuo, S., … Wang, P. (2021). Solar Seawater Distillation by Flexible and Fully Passive Multistage Membrane Distillation. Nano Letters. doi:10.1021/acs.nanolett.1c00910Publisher
American Chemical Society (ACS)Journal
Nano LettersPubMed ID
34043366Additional Links
https://pubs.acs.org/doi/10.1021/acs.nanolett.1c00910ae974a485f413a2113503eed53cd6c53
10.1021/acs.nanolett.1c00910
Scopus Count
Except where otherwise noted, this item's license is described as This document is the Accepted Manuscript version of a Published Work that appeared in final form in Nano Letters, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://pubs.acs.org/doi/10.1021/acs.nanolett.1c00910.
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