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20231226071427.0 |
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231226s2023 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2023.115
|2 doi
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|a pubmed24n1189.xml
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|a (DE-627)NLM356893006
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|a (NLM)37186624
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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 Sun, Yan
|e verfasserin
|4 aut
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|a In situ surface modification of forward osmosis membrane by polydopamine/polyethyleneimine-silver nanoparticle for anti-fouling improvement in municipal wastewater treatment
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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
|b cr
|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 In this work, we demonstrate the surface functionalization of cellulose triacetate membrane with co-deposition of polydopamine (PDA)/polyethyleneimine (PEI) and silver nanoparticles (AgNPs) for antifouling property in municipal wastewater treatment. PDA/PEI was first coated on the membrane surface by single-step co-deposition, while AgNPs were formed in situ through catechol groups of PDA immobilizing silver ions and subsequently reducing. The successful surface modification was verified by different membrane characterization techniques. The modified PDA/PEI-nAg CTA membrane exhibits enhanced hydrophilicity and improved antiadhesion and antimicrobial activity. Furthermore, the functional layer had an indistinctive effect on the membrane transport parameters. In addition, dynamic forward osmosis (FO) fouling experiment with raw municipal wastewater as feed solution indicated that the PDA/PEI-nAg CTA membrane exhibited notably lower water flux decrease compared to the nascent CTA membrane. The results of confocal laser scanning microscopy (CLSM) showed that PDA/PEI-nAg CTA membranes effectively reduced the adsorption of organic foulants (proteins and polysaccharides) and inhibited the formation and development of the fouling layer. The membrane surface modification of the CTA membrane with PDA/PEI and AgNPs efficiently mitigated membrane fouling in municipal wastewater treatment
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|a Journal Article
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|a polydopamine
|2 NLM
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|a Silver
|2 NLM
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|a 3M4G523W1G
|2 NLM
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|a Polyethyleneimine
|2 NLM
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|a 9002-98-6
|2 NLM
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|a Membranes, Artificial
|2 NLM
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|a Zheng, Lu
|e verfasserin
|4 aut
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|a Feng, Qianying
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xie, Xiaoyang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yong, Zixin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a He, Jiaojie
|e verfasserin
|4 aut
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| 700 |
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|a Yang, Liwei
|e verfasserin
|4 aut
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| 700 |
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|a Zhao, Xiaohong
|e verfasserin
|4 aut
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| 773 |
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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 2195-2209
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
1 |
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|g volume:87
|g year:2023
|g number:9
|g day:03
|g month:05
|g pages:2195-2209
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|u http://dx.doi.org/10.2166/wst.2023.115
|3 Volltext
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|d 87
|j 2023
|e 9
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|c 05
|h 2195-2209
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