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240108s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.3c03168
|2 doi
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|a eng
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|a Qing, Qing
|e verfasserin
|4 aut
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|a Highly Efficient Photocatalytic Degradation of Organic Pollutants Using a Polyvinylidene Fluoride/Polyvinylpyrrolidone-Cuprous Oxide Composite Membrane
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|c 2024
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|a Text
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|a ƒaComputermedien
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|a Date Revised 16.01.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Enhancing the efficiency of photocatalysts in the removal of organic pollutants is of vital importance in wastewater treatment. In this work, a set of composite membranes that can be used for efficient removal of the organic dyes, such as methyl orange (MO), methylene blue (MB), and Congo red (CR), were prepared through coblending/electrospinning techniques using polyvinylidene fluoride (PVDF) as the substrate, polyvinylpyrrolidone (PVP) as the dispersing agent and wettability regulator, and cuprous oxide (Cu2O) as the photocatalyst. The results showed that Cu2O particles were well encapsulated in the electrospun PVDF/PVP fibers, and the composite membranes exhibited apparently enhanced hydrophilicity. Furthermore, compared with the pure Cu2O particles, the composite membranes not only showed a higher photocatalytic degradation ratio for MO (93.6%) but also showed a much higher degradation rate (62.4 mg/(mg·h)) in comparison with the other reported Cu2O-based composite photocatalytic materials in the literature. In addition, the membrane sample also had excellent recycling stability, and the retention rate of its removal ability maintained 92.1% after 5 times of recycling. Furthermore, the composite membranes also showed high removal ability toward MB and CR, with photocatalytic degradation ratios of 81.4 and 76.1%, respectively. This work indicates that the prepared PVDF/PVP-Cu2O composite membranes possess promising application prospects in wastewater treatment
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|a Journal Article
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|a Chen, Shang-Yu
|e verfasserin
|4 aut
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|a Hu, Shao-Zhong
|e verfasserin
|4 aut
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|a Li, Liang
|e verfasserin
|4 aut
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|a Huang, Ting
|e verfasserin
|4 aut
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|a Zhang, Nan
|e verfasserin
|4 aut
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|a Wang, Yong
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
|g 40(2024), 2 vom: 16. Jan., Seite 1447-1460
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:40
|g year:2024
|g number:2
|g day:16
|g month:01
|g pages:1447-1460
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|u http://dx.doi.org/10.1021/acs.langmuir.3c03168
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