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DOI	10.1016/j.memsci.2023.121437
	Atmospheric water harvesting in semi-arid regions by membranes: A techno-economic assessment
	Micari, Marina; Duan, Xuekui; Agrawal, Kumar Varoon
通讯作者	Agrawal, KV
来源期刊	JOURNAL OF MEMBRANE SCIENCE
ISSN	0376-7388
EISSN	1873-3123
出版年	2023
卷号	672
英文摘要	The availability of a reliable and sufficient amount of water constitutes one of the Sustainable Development Goals set by the United Nations. The provision of water is still challenging in many regions of the world, especially in arid and semi-arid regions, where the precipitations are rare and there is no access to water bodies. We propose to use a water harvesting device based on high-performance membranes to produce water from air in a decentralized way. The device presents a single membrane stage to increase the purity of water vapor in air and a condenser to produce liquid water. We optimize the operating conditions to bring down the water cost to 3.2 cent/L when the water fraction in air is 3% and 5.0 cent/L when the water fraction is 2%. We also found that the increase of water vapor permeance up to 5 x 104 gas pemeation units is beneficial to cost reduction (between 2.2 and 3.0 cent/L) and that the losses due to concentration polarization can be reduced by designing properly the channel geometry. Finally, we simulated the yearly operation of a device located in a semi-arid region, by taking into account the variation of water vapor concentration in air, and we found attractive values of water cost, below 10 cent/L for most of the year. Thus, the proposed process can give an important contribution to the alleviation of water shortage issue in semi-arid regions. Importantly, it makes membrane-based process attractive for atmospheric water harvesting.
英文关键词	Atmospheric water harvesting Semi-arid regions Membranes Techno-economic assessment Water vapor
类型	Article
语种	英语
开放获取类型	hybrid
收录类别	SCI-E
WOS记录号	WOS:000994709300001
WOS关键词	CO2 CAPTURE ; FLUE-GAS ; AIR ; DEHYDRATION ; PERFORMANCE ; TRANSPORT
WOS类目	Engineering, Chemical ; Polymer Science
WOS研究方向	Engineering ; Polymer Science
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/397482
推荐引用方式 GB/T 7714	Micari, Marina,Duan, Xuekui,Agrawal, Kumar Varoon. Atmospheric water harvesting in semi-arid regions by membranes: A techno-economic assessment[J],2023,672.
APA	Micari, Marina,Duan, Xuekui,&Agrawal, Kumar Varoon.(2023).Atmospheric water harvesting in semi-arid regions by membranes: A techno-economic assessment.JOURNAL OF MEMBRANE SCIENCE,672.
MLA	Micari, Marina,et al."Atmospheric water harvesting in semi-arid regions by membranes: A techno-economic assessment".JOURNAL OF MEMBRANE SCIENCE 672(2023).