Adsorption-based atmospheric water harvesting device for arid climates
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s41467-018-03162-7.pdf
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Checksum (MD5)
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Author(s)
Kapustin, Eugene A.
Yaghi, Omar M.
Kim, Hyunho
Rao, Sameer R
Zhao, Lin
Yang, Sungwoo
Wang, Evelyn
Date Issued
March 2018
Journal
Nature Communications
Publisher
Nature Publishing Group
Citation
Kim, Hyunho et al. “Adsorption-Based Atmospheric Water Harvesting Device for Arid Climates.” Nature Communications 9, 1 (March 2018): 1191 © 2018 The Author(s)
Version
Final published version
Abstract
Water scarcity is a particularly severe challenge in arid and desert climates. While a substantial amount of water is present in the form of vapour in the atmosphere, harvesting this water by state-of-the-art dewing technology can be extremely energy intensive and impractical, particularly when the relative humidity (RH) is low (i.e., below ~40% RH). In contrast, atmospheric water generators that utilise sorbents enable capture of vapour at low RH conditions and can be driven by the abundant source of solar-thermal energy with higher efficiency. Here, we demonstrate an air-cooled sorbent-based atmospheric water harvesting device using the metal-organic framework (MOF)-801 [Zr 6 O 4 (OH) 4 (fumarate) 6 ] operating in an exceptionally arid climate (10-40% RH) and sub-zero dew points (Tempe, Arizona, USA) with a thermal efficiency (solar input to water conversion) of ~14%. We predict that this device delivered over 0.25 L of water per kg of MOF for a single daily cycle.
MIT Department
Massachusetts Institute of Technology. Department of Mechanical Engineering
Terms of Use
Attribution 4.0 International (CC BY 4.0)
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DOI of Published Version
https://doi.org/10.1038/s41467-018-03162-7
