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231226s2023 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2023.129
|2 doi
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|a pubmed24n1189.xml
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|a (DE-627)NLM356893146
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|a (NLM)37186638
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Nguyen, Hieu Trung
|e verfasserin
|4 aut
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|a Bandgap tuning of TiO2 by Cu nanoparticles applied in photocatalytic antifouling-coated PES membranes through PAA-plasma grafted adhesive layer
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|c 2023
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|a Text
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|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 17.05.2023
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|a Date Revised 17.05.2023
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|a published: Print
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|a Citation Status MEDLINE
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|a This study developed an antifouling coating for polyethersulfone (PES) membranes by tuning the bandgap of TiO2 with Cu nanoparticles (NPs) via a polyacrylic acid (PAA)-plasma-grafted intermediate layer. Cu NPs were synthesized at different molar ratios and precipitated onto TiO2 using the sol-gel method. The resulting CuTiO2 photocatalysts were characterized using various techniques, showing reduced bandgap, particle size range of 100-200 nm, and generation of reactive free radicals under light irradiation. The 25% Cu@TiO2 photocatalyst displayed the highest catalytic efficiency for Acid Blue 260 (AB260) degradation, achieving 73% and 96% with and without H2O2, respectively. Photocatalytic membranes based on this catalyst achieved an AB260 degradation efficiency of 91% and remained stable over five cycles. Additionally, sodium alginate-fouled photocatalytic membranes fully recovered water permeability after undergoing photocatalytic degradation of foulants. The modified membrane displayed a higher surface roughness due to the presence of photocatalyst particles. This study demonstrates the potential application of Cu@TiO2/PAA/PES photocatalytic membranes for mitigating membrane fouling in practice
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|a Journal Article
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|a polyether sulfone
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|a 25667-42-9
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|a titanium dioxide
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|a 15FIX9V2JP
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|a carbopol 940
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|a 4Q93RCW27E
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|a Hydrogen Peroxide
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|a Bui, Ha Manh
|e verfasserin
|4 aut
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|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 87(2023), 9 vom: 03. Mai, Seite 2390-2405
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
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|g volume:87
|g year:2023
|g number:9
|g day:03
|g month:05
|g pages:2390-2405
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|u http://dx.doi.org/10.2166/wst.2023.129
|3 Volltext
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