Preparation of solar-powered hydrogel evaporator and its solar desalination performance

被引：0
|
作者：
Li X. [1 ,2 ]
Cui R. [1 ]
He C. [1 ]
Zhang H. [1 ]
Yan X. [3 ]
Jing D. [2 ]
机构：
[1] College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu
[2] State Key Laboratory of Multiphase Flow in Power Engineering, Xi̍an Jiaotong University, Shaanxi
[3] Lithium Resources and Lithium Materials Key Laboratory of Sichuan Province, Tianqi Lithium Corporation, Chengdu
来源：
Zhongguo Shiyou Daxue Xuebao (Ziran Kexue Ban)/Journal of China University of Petroleum (Edition of Natural Science) | 2023年 / 47卷 / 04期
关键词：
desalination; hydrogels; interfacial solar evaporation; solar energy;
D O I：
10.3969/j.issn.1673-5005.2023.04.018
中图分类号：
学科分类号：
摘要：
The shortage of freshwater resources has become one of the urgent problems to be solved in China. In this study, the natural biomass material paste glue was introduced and it was used together with polyvinyl alcohol (PVA) as the hydrogel skeleton, and polypyrrole (Ppy) was used as the light absorbent to prepare a hydrogel evaporator (SHE) with a double network structure. In addition, the material was used for desalination of unconventional water sources such as brackish water, produced water and oily sewage. The results show that, when dealing with non-conventional water sources with high salinity, the maximum interfacial rate of SHE can reach the value of 3. 40 kg · m-2· h-1, the light absorbent rate can reach 96. 7%, and the efficiency of energy usage can amount to 96. 8%. The desalting and pollution reduction effect is very significant. © 2023 University of Petroleum, China. All rights reserved.
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页码：168 / 172
页数：4
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