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http://hdl.handle.net/10397/91405
| Title: | Solar seawater distillation by flexible and fully passive multistage membrane distillation | Authors: | Wang, W Shi, Y Zhang, C Li, R Wu, M Zhuo, S Aleid, S Wang, P |
Issue Date: | Jun-2021 | Source: | Nano letters, 23 June 2021, v. 21, no. 12, p. 5068-5074 | Abstract: | 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-2 h-1 in the newly designed siphon-flow mode. This work provides a green route for designing a solar-assisted distillation device. | Keywords: | Enthalpy recycle Flexible device Green technology Off-grid sanitation Paper recycle Portable device Solar distillation |
Publisher: | American Chemical Society | Journal: | Nano letters | ISSN: | 1530-6984 | EISSN: | 1530-6992 | DOI: | 10.1021/acs.nanolett.1c00910 | Rights: | © 2021 The Authors. Published by American Chemical Society This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0/). The following publication 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 is available at https://doi.org/10.1021/acs.nanolett.1c00910 |
| Appears in Collections: | Journal/Magazine Article |
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| acs.nanolett.1c00910.pdf | 3.15 MB | Adobe PDF | View/Open |
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