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240401s2025 xx |||||o 00| ||eng c |
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|a 10.1080/09593330.2024.2335670
|2 doi
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|a pubmed24n1641.xml
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|a (NLM)38556710
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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 Peng, Hongbo
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Degradation mechanisms and toxicity determination of bisphenol A by FeOx-activated peroxydisulfate under ultraviolet light
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|c 2025
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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 24.12.2024
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|a Date Revised 24.12.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Ultraviolet light (UV)-assisted advanced oxidation processes (AOPs) are commonly used to degrade organic contaminants. However, this reaction system's extensive comprehension of the degradation mechanisms and toxicity assessment remains inadequate. This study focuses on investigating the degradation mechanisms and pathways of bisphenol A (BPA), generation of reactive oxygen species (ROS), and toxicity of degradation intermediates in UV/PDS/ferrous composites (FeOx) systems. The degradation rate of BPA gradually increased from the initial 11.92% to 100% within 120 min. Sulfate radicals (SO4.-), hydroxyl radicals (.OH), superoxide anions (O2.-), and singlet oxygen (1O2) were the primary factors in the photocatalytic degradation of BPA in the UV/PDS/FeOx systems. The main reactions of BPA in this system were deduced to be β-bond cleavage, hydroxyl substitution reaction, hydrogen bond cleavage, and oxidation reaction. A trend of decreasing toxicity for the degradation intermediates of BPA was observed according to the toxicity investigations. The efficient degradation of BPA in UV/PDS/FeOx systems provided theoretical data for AOPs, which will improve the understanding of organic contaminants by FeOx in natural industry wastewater
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|a Journal Article
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|a Bisphenol A
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|a degradation mechanisms
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|a reactive oxygen species
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|a synergistic oxidation process
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4 |
|a toxicity
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| 650 |
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|a Benzhydryl Compounds
|2 NLM
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| 650 |
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|a bisphenol A
|2 NLM
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| 650 |
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7 |
|a MLT3645I99
|2 NLM
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| 650 |
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7 |
|a Phenols
|2 NLM
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| 650 |
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|a Water Pollutants, Chemical
|2 NLM
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| 650 |
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7 |
|a Sulfates
|2 NLM
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| 650 |
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7 |
|a Reactive Oxygen Species
|2 NLM
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| 700 |
1 |
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|a Gu, Hongyan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Zhimin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xiong, Guomei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gao, Peng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Siyao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Xiongchao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Fangfang
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Environmental technology
|d 1993
|g 46(2024), 1 vom: 05. Jan., Seite 13-24
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnns
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| 773 |
1 |
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|g volume:46
|g year:2024
|g number:1
|g day:05
|g month:01
|g pages:13-24
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|u http://dx.doi.org/10.1080/09593330.2024.2335670
|3 Volltext
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