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231225s2023 xx |||||o 00| ||eng c |
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|a 10.1080/09593330.2022.2041106
|2 doi
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|a pubmed25n1122.xml
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|a (DE-627)NLM336705654
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|a (NLM)35138237
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Nguyen, Hieu Trung
|e verfasserin
|4 aut
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|a Antifouling catalytic mixed-matrix membranes based on polyethersulfone and composition-optimized Zn-Cu-Fe-O CWAO catalyst under dark ambient conditions
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 28.06.2023
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|a Date Revised 28.06.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Besides photocatalysts, novel catalytic wet-air oxidation (CWAO) catalysts capable of operating under mild conditions are a potential candidate to fabricate antifouling filtration membranes. This study optimized the CWAO catalyst consisting of three metal oxide components (ZnO, CuO, and Fe3O4) and used it to fabricate composite membranes with PES (polyethersulfone). The catalyst was characterized by methods such as FTIR, BET, XRD, UV-Vis DRS, XPS, ESR. The activity of the catalyst and the composite membranes was tested by the Acid Yellow 42 (AY42) degradation experiments in both cases with and without hydrogen peroxide at room conditions with air aeration. The pure water fluxes of composite membranes were also investigated based on a vacuum filtration system. The major degradation pathways of AY42 by the catalyst were proposed from the DFT (Density Functional Theory) and NBO (Natural Bond Orbital) calculations. The results showed that the optimal catalyst has molar ratios of Zn, Cu, and Fe metal ions of 0.05, 0.588, and 0.362, respectively, with AY42 decomposition efficiency of 88% in 3 h. The main factors affecting the catalytic efficiency of the CWAO catalyst determined from the trapping experiment were e- and O2. The results from different materials characterization methods have demonstrated the successful synthesis of the catalyst with a high surface area (103.5 m2/g) and small pore diameters (∼10 nm). The AY42 degradation of composite membranes was stable over five repeated cycles with over 70% efficiency. The pure water fluxes of composite membranes have also been significantly improved and are proportional to catalyst contents
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|a Journal Article
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|a Antifouling membranes
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|a Box–Behnken DOE
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|a CWAO catalyst
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|a degradation pathways
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|a polyethersulfone (PES)
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|a polyether sulfone
|2 NLM
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|a 25667-42-9
|2 NLM
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|a Water
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|a Zinc
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|a J41CSQ7QDS
|2 NLM
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| 700 |
1 |
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|a Bui, Ha Manh
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Ya-Fen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a You, Sheng-Jie
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Environmental technology
|d 1993
|g 44(2023), 18 vom: 31. Aug., Seite 2753-2769
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnas
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| 773 |
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|g volume:44
|g year:2023
|g number:18
|g day:31
|g month:08
|g pages:2753-2769
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|u http://dx.doi.org/10.1080/09593330.2022.2041106
|3 Volltext
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