海水淡化
蒸发器
卤水
蒸发
太阳能淡化
太阳能
环境科学
环境工程
地热脱盐
盐(化学)
制浆造纸工业
废物管理
材料科学
化学
工程类
膜
气象学
机械工程
生物化学
物理
电气工程
热交换器
有机化学
物理化学
作者
Zhi Yang,Dawei Li,Kaijie Yang,Lei Chen,Jian Wang,Xiaoying Zhu,Baoliang Chen
标识
DOI:10.1021/acs.est.3c03457
摘要
Solar desalination has shown great potential in alleviating global water scarcity. However, the trade-off between energy efficiency and salt rejection remains a challenge, restricting its practical applications. In this study, we report a three-dimensional nitrocellulose membrane-based evaporator featuring a high evaporation rate (1.5 kg m–2 h–1) and efficient salt precipitation at the edges. Additionally, the salt is isolated from the photothermal area of the evaporator and falls automatically with a salt recovery rate of 97 g m–2 h–1 in brine with 10 wt % salt content. The distinctive performance is attributed to the precise water supply control, which was adjusted by changing the resistance force and driven force in the evaporator. With a high evaporation rate, stable performance, and specific salt recovery ability, this solar evaporation structure holds great potential in water desalination and resource recovery.
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