Enhancing wastewater treatment efficiency with stereoscopic hydrogel evaporators and renewable energy integration for sustainability

doi:10.1016/j.cjche.2024.12.009

Chinese Journal of Chemical Engineering ›› 2025, Vol. 80 ›› Issue (4): 38-46.DOI: 10.1016/j.cjche.2024.12.009

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Enhancing wastewater treatment efficiency with stereoscopic hydrogel evaporators and renewable energy integration for sustainability

Cunxiao Wang¹, Yue Tian², Yonghang Yu², Liang Wang³, Guangmiao Qu⁴, Shengyang Yang²

1 School of Environment and Safety Engineering, Nanjing Polytechnic Institute, Nanjing 210048, China;
2 Department of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China;
3 Department of Chemistry and Materials Engineering, Nanjing Polytechnic Institute, Nanjing 210048, China;
4 Engineering Training Centre, Nanjing Polytechnic Institute, Nanjing 210048, China

Received:2024-09-09 Revised:2024-12-13 Accepted:2024-12-18 Online:2025-03-11 Published:2025-04-28
Contact: Shengyang Yang,E-mail:syyang@yzu.edu.cn
Supported by:
This work is financially supported by the “Qing-Lan” Project of Jiangsu Province, Top-notch Academic Programs Project of Jiangsu Higher Education Institutions (TAPP), and the start-up fund from Yangzhou University.

Enhancing wastewater treatment efficiency with stereoscopic hydrogel evaporators and renewable energy integration for sustainability

Cunxiao Wang¹, Yue Tian², Yonghang Yu², Liang Wang³, Guangmiao Qu⁴, Shengyang Yang²

1 School of Environment and Safety Engineering, Nanjing Polytechnic Institute, Nanjing 210048, China;
2 Department of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China;
3 Department of Chemistry and Materials Engineering, Nanjing Polytechnic Institute, Nanjing 210048, China;
4 Engineering Training Centre, Nanjing Polytechnic Institute, Nanjing 210048, China

通讯作者: Shengyang Yang,E-mail:syyang@yzu.edu.cn
基金资助:
This work is financially supported by the “Qing-Lan” Project of Jiangsu Province, Top-notch Academic Programs Project of Jiangsu Higher Education Institutions (TAPP), and the start-up fund from Yangzhou University.

Abstract

Abstract: Enhancing wastewater treatment efficiency through innovative technologies is paramount in addressing global environmental challenges. This study explores utilizing stereoscopic hydrogel evaporators combined with renewable energy sources to optimize wastewater treatment processes. A cross-linked super absorbent polymer (SAP) hydrogel was synthesized using acrylic acid and 2-hydroxyethyl methacrylate monomers and integrated with a light-absorbing carbon membrane to form a solar-assisted evaporator (MSAP). The MSAP achieved a high evaporation rate of 3.08 kg m^-2·h^-1 and a photothermal conversion efficiency of 94.27%. It demonstrated excellent removal efficiency for dye-polluted wastewater, significantly reducing concentrations of pollutants. The MSAP maintained high performance in outdoor conditions, showcasing its potential for real-world applications. This approach, incorporating both solar and wind energy, significantly boosts water evaporation rates and presents a promising, eco-friendly solution for sustainable wastewater treatment within the circular development framework.

Key words: Stereoscopic hydrogel evaporator, Evaporation, Solar energy, Waste water, Sustainability

摘要： Enhancing wastewater treatment efficiency through innovative technologies is paramount in addressing global environmental challenges. This study explores utilizing stereoscopic hydrogel evaporators combined with renewable energy sources to optimize wastewater treatment processes. A cross-linked super absorbent polymer (SAP) hydrogel was synthesized using acrylic acid and 2-hydroxyethyl methacrylate monomers and integrated with a light-absorbing carbon membrane to form a solar-assisted evaporator (MSAP). The MSAP achieved a high evaporation rate of 3.08 kg m^-2·h^-1 and a photothermal conversion efficiency of 94.27%. It demonstrated excellent removal efficiency for dye-polluted wastewater, significantly reducing concentrations of pollutants. The MSAP maintained high performance in outdoor conditions, showcasing its potential for real-world applications. This approach, incorporating both solar and wind energy, significantly boosts water evaporation rates and presents a promising, eco-friendly solution for sustainable wastewater treatment within the circular development framework.

关键词: Stereoscopic hydrogel evaporator, Evaporation, Solar energy, Waste water, Sustainability

Cunxiao Wang, Yue Tian, Yonghang Yu, Liang Wang, Guangmiao Qu, Shengyang Yang. Enhancing wastewater treatment efficiency with stereoscopic hydrogel evaporators and renewable energy integration for sustainability[J]. Chinese Journal of Chemical Engineering, 2025, 80(4): 38-46.

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Enhancing wastewater treatment efficiency with stereoscopic hydrogel evaporators and renewable energy integration for sustainability

Enhancing wastewater treatment efficiency with stereoscopic hydrogel evaporators and renewable energy integration for sustainability

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