气凝胶
蒸发器
材料科学
海水淡化
蒸发
碳化
太阳能淡化
太阳能蒸馏器
熔盐
化学工程
太阳能
保温
废物管理
集中太阳能
制氢
复合材料
化学
热交换器
气象学
热力学
膜
生物化学
扫描电子显微镜
工程类
物理
作者
Dongyu You,Weiting Yang,Yujuan Zhao,Yuhui Han,Yu Ma,Duoyu Lin,Qinhe Pan,Shuyan Song
出处
期刊:Solar Energy
[Elsevier]
日期:2021-10-01
卷期号:227: 303-311
被引量:27
标识
DOI:10.1016/j.solener.2021.09.024
摘要
Interface solar-driven evaporation is a very promising technology used in solar energy harvesting, seawater desalination and water purification. However, salt accumulation is still a serious problem that hinders the long-term stable operation of the evaporator. Herein, we use natural wood with inherent porosity to develop a flexible cellulose aerogel, which can be used as efficient and stable solar evaporator for desalination after simple surface carbonization. This aerogel evaporator achieves a solar steam efficiency of 83.4% and an evaporation rate of 1.40 kg m−2 h−1 under the sunlight intensity of 1 kW m−2. In the simulated evaporation experiment for 7 days, the evaporator shows a stable evaporation rate (about 1.39 kg m−2 h−1), indicating the potential for long-term operation. In addition, the evaporator has the ability to resist salt accumulation and self-cleaning. The low cost, simple preparation and multiple functions make the evaporator promising to be a continuous and stable installation for solar desalination.
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