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Sorbent-based air water-harvesting systems: progress, limitation, and consideration

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Abstract

Air water-harvesting systems are considered important technologies for overcoming the global water scarcity issue. Various relative humidity and cost considerations make sorbent-based air water-harvesting systems the most desirable technologies among current air water-harvesting systems. The limited availability of commercial instruments for air–water harvesting systems indicates a lack of fundamental studies on this field. In this regard, this review paper discusses and presents progress in the fields of sorbent materials and condensation and system design and future considerations in accelerating the commercialization of these technologies. Particularly, bio-inspired composition and design, mix design systems, use of renewable energy sources, modification of available sorbent materials according to functionalization, and composites are factors that require further attention. Fundamental studies of sorbent stability and life cycle, water absorbency, adsorption kinetics, heat and mass transport, regeneration condition, water-collecting surface design, and system design are essential.

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Reprinted with permission from (LaPotin et al. 2019). Copyright (2020) American Chemical Society

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Reproduced with permission from (Yao et al. 2019)

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Reproduced with permission from (Li et al. 2020)

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Reproduced with permission from Wu et al. (2019)

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Reproduced with permission from Tu et al. (2018)

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Acknowledgment

This study was partially supported by the Universiti Kebangsaan Malaysia’s Grants (GUP-2018-129 and DIP-2015-028).

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Correspondence to Nilofar Asim.

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See Figs. 13 and 14.

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the trend of related documents in Scopus search engine from 1960 to 2020 (Scopus 2020)

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a Eolewater system which utilize both wind and solar energies for water harvesting from air. Reproduced with permission from Salehi et al. (2019), Solís-Chaves et al. (2018). b Atlantis Solar (2020), c Ecolo Blue (2020)

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Asim, N., Badiei, M., Alghoul, M.A. et al. Sorbent-based air water-harvesting systems: progress, limitation, and consideration. Rev Environ Sci Biotechnol 20, 257–279 (2021). https://doi.org/10.1007/s11157-020-09558-6

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  • DOI: https://doi.org/10.1007/s11157-020-09558-6

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