Exploration,optimization and breakthrough in application of adsorption-based atmospheric water harvesting technology
Adsorptive atmospheric water harvesting technology,utilizing hygroscopic materials to adsorb water vapor from the air,achieving water desorption driven by solar energy,and harvesting fresh liquid water through condensation,has been recognized as a promising technology for non-central water supply in arid areas.In order to quickly realize the practical application of this technology in daily life,industrial and agricultural production etc.,numerous explorations and practices have been carried out and breakthroughs have been achieved.In this review,the technical process of adsorption,desorption and condensation collection in adsorption atmospheric water harvesting was briefly introduced,with the desorption stage specifically described.The hygroscopic and desorption mechanisms of moisture-absorbing materials were then summarized in detail.The optimization strategies,based on material structure and collector design,to improve the desorption capacity and condensation effect were further elucidated.Finally,the existing challenges in terms of both basic research and practical application,as well as the future development directions were discussed.
atmospheric water harvestinghygroscopic materialsdesorption behaviorstructural optimization
万方数据
维普
