Self-Regulating Solar Steam Generators Enable Volatile Organic Compound Removal through In Situ H2O2 Generation

Shuai Zhou; Ruihua He; Jianchuan Pei

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Self-Regulating Solar Steam Generators Enable Volatile Organic Compound Removal through In Situ H2O2 Generation

机译：Self-Regulating Solar Steam Generators Enable Volatile Organic Compound Removal through In Situ H2O2 Generation

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摘要

Interfacial solar steam generation for clean water production suffers from volatile organic compound(VOC)contamination during solar-to-steam conversion.Here,we present a solar steam generator based on the integration of melamine foam(MF),polydopamine(PDA),and Ag/AgCl particles.Together with the high photothermal conversion efficiency(ca.87.8%,1 kW/m2)achieved by the PDA thin film,the Ag/AgCl particles can efficiently activate the localized generation of H2O2 and ·OH in situ,thus degrading the VOCs during the rapid vapor generation.The generation of H2O2 and ·OH in situ also facilitates the creation of a buffer zone containing H2O2 and ·OH for the rapid removal of organic pollutants in the surrounding water attracted to the solar vapor generator,demonstrating a self-cleaning steam generator toward various volatile compounds such as phenol,aniline,2,4-dichlorophenol,and N,N-dimethylformamide in a wide range of concentrations.

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《Environmental Science & Technology: ES&T》 |2022年第14期|10474-10482|共9页
作者
Shuai Zhou; Ruihua He; Jianchuan Pei;
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作者单位

Institute of Environmental Health,MOE Key Laboratory of Environmental Remediation and Ecosystem Health,College of Environmental & Resource Sciences,Zhejiang University,Hangzhou 3100S8,China;

Department of Chemistry,National University of Singapore,Singapore 117549,Singapore;

College of Environment and Resources,Zhejiang A&F University,Hangzhou 311300,China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种英语
中图分类环境科学、安全科学;
关键词
interfacial water purification; photocatalysis·in situ generation of H2O-2·Fenton-like reaction·volatile organic compounds;

Self-Regulating Solar Steam Generators Enable Volatile Organic Compound Removal through In Situ H2O2 Generation

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