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DOI | 10.1038/s41893-020-00635-w |
Organic wastewater treatment by a single-atom catalyst and electrolytically produced H2O2 | |
Xu J.; Zheng X.; Feng Z.; Lu Z.; Zhang Z.; Huang W.; Li Y.; Vuckovic D.; Li Y.; Dai S.; Chen G.; Wang K.; Wang H.; Chen J.K.; Mitch W.; Cui Y. | |
发表日期 | 2020 |
ISSN | 2398-9629 |
英文摘要 | The presence of organic contaminants in wastewater poses considerable risks to the health of both humans and ecosystems. Although advanced oxidation processes that rely on highly reactive radicals to destroy organic contaminants are appealing treatment options, substantial energy and chemical inputs limit their practical applications. Here we demonstrate that Cu single atoms incorporated in graphitic carbon nitride can catalytically activate H2O2 to generate hydroxyl radicals at pH 7.0 without energy input, and show robust stability within a filtration device. We further design an electrolysis reactor for the on-site generation of H2O2 from air, water and renewable energy. Coupling the single-atom catalytic filter and the H2O2 electrolytic generator in tandem delivers a wastewater treatment system. These findings provide a promising path toward reducing the energy and chemical demands of advanced oxidation processes, as well as enabling their implementation in remote areas and isolated communities. © 2020, The Author(s), under exclusive licence to Springer Nature Limited. |
语种 | 英语 |
scopus关键词 | Atoms; Carbon nitride; Filtration; Health risks; Advanced Oxidation Processes; Filtration devices; Isolated community; Organic contaminant; Organic wastewater treatment; Renewable energies; Substantial energy; Wastewater treatment system; Wastewater treatment |
来源期刊 | Nature Sustainability |
文献类型 | 期刊论文 |
条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/163565 |
作者单位 | Department of Materials Science and Engineering, Stanford University, Stanford, CA, United States; Department of Chemical and Systems Biology, Stanford University School of Medicine, Stanford, CA, United States; Department of Civil and Environmental Engineering, Stanford University, Stanford, CA, United States; Department of Materials Science and Engineering, University of California Irvine, Irvine, CA, United States; Department of Developmental Biology, Stanford University School of Medicine, Stanford, CA, United States; Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, Menlo Park, CA, United States |
推荐引用方式 GB/T 7714 | Xu J.,Zheng X.,Feng Z.,et al. Organic wastewater treatment by a single-atom catalyst and electrolytically produced H2O2[J],2020. |
APA | Xu J..,Zheng X..,Feng Z..,Lu Z..,Zhang Z..,...&Cui Y..(2020).Organic wastewater treatment by a single-atom catalyst and electrolytically produced H2O2.Nature Sustainability. |
MLA | Xu J.,et al."Organic wastewater treatment by a single-atom catalyst and electrolytically produced H2O2".Nature Sustainability (2020). |
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