THERMAL SCIENCE

International Scientific Journal

Jiang-Hui Zhao

,

Bing Gao

,

Jun-Xian Hong

,

Siew Chun Low

,

Zhen-Zhen Xu

,

Soon Huat Tan

COPPER OXIDE NANORODS BASED NANOFIBERS MEMBRANE FOR SOLAR-DRIVEN INTERFACIAL EVAPORATION

ABSTRACT
Solar-driven interfacial evaporation system has attracted intensive attention owing to its great potential in harnessing renewable solar energy to purify water. To further enhance the solar-driven interfacial evaporation system performance, solar absorber structure with high light-thermal energy conversion efficiency is especially critical. In this work, polyvinyl pyrrolidone/poly(vinylidene fluoride co hexa fluoropropylene)/CuO-nanorods (PVP/PVDF-HFP/CuO-nanorods) membrane was prepared sequentially by electrospinning, heating and hydrothermal processes. The flexible electrospun membrane was used as the photothermal layer in the solar-driven interfacial evaporation system. The evenly distributed CuO nanorods function as solar energy absorbers. The polystyrene foam was used as an insulating layer, and filter paper was inserted in the middle of the polystyrene foam to transport water to the photothermal layer. The designed evaporator was used for the solar evaporation using pure water. As a result, the evaporation rate was 1.11 kg/m2h and the light-thermal energy conversion rate was 75.36%. The outcome of this work provides the potential of solar-driven interfacial evaporation system for water desalination and wastewater purification.
KEYWORDS
solar-driven interfacial evaporation, electrospinning, hydrothermal, copper nanorods
PAPER SUBMITTED: 2021-10-15
PAPER REVISED: 2022-07-14
PAPER ACCEPTED: 2022-07-15
PUBLISHED ONLINE: 2023-06-11
DOI REFERENCE: https://doi.org/10.2298/TSCI2303985Z
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2023, VOLUME 27, ISSUE Issue 3, PAGES [1985 - 1991]
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Copper oxide nanorods based nanofibers membrane for solar-driven interfacial evaporation

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence