Reviews of atmospheric water harvesting technologies

Atmospheric water harvesting technologies can be classified based on working principles, namely condensation technology, sorption technology and other technologies. Condensation technology utilizes various refrigeration technologies such as vapor compression cycle, thermoelectric cooling and adsorpt...

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Bibliographic Details
Published in:Energy (Oxford) 2020-06, Vol.201, p.117630, Article 117630
Main Authors: Tu, Rang, Hwang, Yunho
Format: Article
Language:English
Subjects:
Absorption cooling
Atmospheric water
Atmospheric water harvesting
Compression
Condensation
Cooling
Cooling systems
Humid climates
Power consumptions
Refrigeration
Renewable energy
Simulation methods
Solar chimneys
Solar energy
Solar power
Technology
Test setup
Thermoelectric cooling
Water harvesting
Water harvesting rate
Water vapor
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Summary:Atmospheric water harvesting technologies can be classified based on working principles, namely condensation technology, sorption technology and other technologies. Condensation technology utilizes various refrigeration technologies such as vapor compression cycle, thermoelectric cooling and adsorption/absorption cooling for condensing water vapor. Water harvesting processes can be operated as long as electricity is available. For other technologies, it can be further divided into innovative technologies and hybrid technologies. For innovative technologies, renewable energy powered VCC systems, solar chimney and geothermal cooling systems are used. Based on the above three categories, This paper summarizes these water harvesting technologies from perspectives of system configurations, test setups, simulation methods, performances analysis and important findings. Based on current review study, performances and research gaps of these technologies are compared and evaluated, and possible future research for atmospheric water harvesting in humid or dry climate regions are proposed. •Condensation methods have high water productivity under humid climates.•Sorption technology can use solar energy, but its water productivity is low.•Desiccant wheel and membrane assisted methods are favorable for dry climates.•Water harvesting performances of related technologies are summarized.
ISSN:0360-5442
1873-6785
DOI:10.1016/j.energy.2020.117630