NWIPB OpenIR
Low-cost and facile hydrophilic amplification of raw corn straws for the applications of highly efficient interfacial solar steam generation
Feng, Jie; Bai, Bo; Yang, Li; Hu, Na; Wang, Honglun
2021
发表期刊MATERIALS CHEMISTRY AND PHYSICS
卷号271
摘要Solar steam generation-is an emerging water purification technology because it is environment-friendly and costeffective. Continuous efforts have been made to improve its efficiency, but there are still challenges in terms of material costs, manufacturing processes, recycling, and scalable production. In this paper, inspired by the spontaneous transpiration of corn straw, the interfacial solar steam generation device was constructed under the skeleton made of cheap corn straws. Owing to outstanding hydrophilicity improved by citric acid (the water absorption rate of corn straw is 1.4 times that of natural straw), corn straw enjoys feasible water transport with vascular bundles and screens. Besides, it has excellent light absorption and photothermal conversion properties due to carbon black layer formed after sulfuric acid carbonization. The experimental results show that, based on the modified corn straws, the solar evaporator achieved an evaporation rate of 1.422 kg m- (2) h-(1) and corresponding solar conversion efficiency of 89.3%under 1 sun (1 kW m(-2)) illumination. Moreover, the evaporator performed reliable reusability and excellent desalination capacity. Therefore, using cost-effective corn straws as high efficiency solar steam generator is promising in water purification and wastewater treatment.
关键词Solar steam generation Corn straw Citric acid Hydrophilicity Photothermal conversion
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/60702
专题中国科学院西北高原生物研究所
推荐引用方式
GB/T 7714
Feng, Jie,Bai, Bo,Yang, Li,et al. Low-cost and facile hydrophilic amplification of raw corn straws for the applications of highly efficient interfacial solar steam generation[J]. MATERIALS CHEMISTRY AND PHYSICS,2021,271.
APA Feng, Jie,Bai, Bo,Yang, Li,Hu, Na,&Wang, Honglun.(2021).Low-cost and facile hydrophilic amplification of raw corn straws for the applications of highly efficient interfacial solar steam generation.MATERIALS CHEMISTRY AND PHYSICS,271.
MLA Feng, Jie,et al."Low-cost and facile hydrophilic amplification of raw corn straws for the applications of highly efficient interfacial solar steam generation".MATERIALS CHEMISTRY AND PHYSICS 271(2021).
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