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Adsorption-based atmospheric water harvesting device for arid climates

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Kim, Hyunho, Rao, Sameer R., Kapustin, Eugene A., Zhao, Lin, Yang, Sungwoo, Yaghi, Omar M., Wang, Evelyn N.·2018·Nature Communications

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.

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Metadata

Authors
Kim, H., Rao, S. R., Kapustin, E. A., Zhao, L., Yang, S., Yaghi, O. M., & Wang, E. N.
Venue
Nature Communications
Published
2018-03-22
Volume
9
Issue
1
Pages
1191-1191
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2789253641
Cited by
732
References
0
FWCI
12.95
Type
journal article
Language
en
Open access
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CoChat. (2026). Citation check: Adsorption-based atmospheric water harvesting device for arid climates. https://app.cochat.ai/papers/10.1038/s41467-018-03162-7
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Kim, H., Rao, S. R., Kapustin, E. A., Zhao, L., Yang, S., Yaghi, O. M., & Wang, E. N. (2018). Adsorption-based atmospheric water harvesting device for arid climates. Nature Communications. https://doi.org/10.1038/s41467-018-03162-7

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