Waterwheel-inspired rotating evaporator for efficient and stable solar desalination even in saturated brine

doi:10.1016/j.scib.2023.07.011

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	Waterwheel-inspired rotating evaporator for efficient and stable solar desalination even in saturated brine
	H. Jiang; X. Liu; H. Wang; D. Wang; Y. Guo; D. Wang; G. Gao; X. Wang and C. Hu
	2023
发表期刊	Science Bulletin
ISSN	20959273
卷号	68 期号:15 页码:1640-1650
摘要	Solar desalination is one of the most promising technologies to address global freshwater shortages. However, traditional evaporators encounter the bottleneck of reduced evaporation rate or even failure due to salt accumulation in high-salinity water. Inspired by ancient waterwheels, we have developed an adaptively rotating evaporator that enables long-term and efficient solar desalination in brines of any concentration. The evaporator is a sulphide-loaded drum-type biochar. Our experiments and numerical simulations show that this evaporator, thanks to its low density and unique hydrophilic property, rotates periodically under the center-of-gravity shift generated by salt accumulation, achieving self-removal of salt. This allows it to maintain a high evaporation rate of 2.80 kg m−2 h−1 within 24 h even in saturated brine (26.47%), which was not achieved previously. This proof-of-concept work therefore demonstrates a concentration- and time-independent, self-rotation-induced solar evaporator. © 2023
DOI	10.1016/j.scib.2023.07.011
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收录类别	sci ; ei
引用统计	被引频次：9[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/67553
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	H. Jiang,X. Liu,H. Wang,et al. Waterwheel-inspired rotating evaporator for efficient and stable solar desalination even in saturated brine[J]. Science Bulletin,2023,68(15):1640-1650.
APA	H. Jiang.,X. Liu.,H. Wang.,D. Wang.,Y. Guo.,...&X. Wang and C. Hu.(2023).Waterwheel-inspired rotating evaporator for efficient and stable solar desalination even in saturated brine.Science Bulletin,68(15),1640-1650.
MLA	H. Jiang,et al."Waterwheel-inspired rotating evaporator for efficient and stable solar desalination even in saturated brine".Science Bulletin 68.15(2023):1640-1650.

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