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231226s2022 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2022.073
|2 doi
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Zhong, Dan
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Heterogeneous activation of H2O2/Na2S2O8 with iron ore from water distribution networks for pollutant removal
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 04.04.2022
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|a Date Revised 05.04.2022
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|a published: Print
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|a Citation Status MEDLINE
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|a In this study, we investigated using the main composition of pipe deposits from water distribution networks as catalyst to activate dual-oxidant H2O2/Na2S2O8 system to produce radicals for perchloroethylene and chloramphenicol removal. According to the results, the degradation efficiency of perchloroethylene by H2O2/Na2S2O8 system was 92.05% within 8 h. Due to the slow conversion between ≡Fe3+ and ≡Fe2+, the hydroxylamine was introduced to reduce reaction time. As for the results, the degradation efficiency of chloramphenicol in the H2O2/Na2S2O8 system with hydroxylamine assistance was 73.31% within 100 min. Meanwhile, several key affecting factors and the kinetic models were investigated. The primary radicals were identified by electron paramagnetic resonance and radical scavenging tests. Eleven degradation products were confirmed by high-resolution liquid chromatography-mass spectrometry. The result of this study provided the theoretical basis for resource utilization of pipe deposits in water treatment in case of emerging contamination events
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|a Journal Article
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|a Environmental Pollutants
|2 NLM
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|a Iron Compounds
|2 NLM
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| 650 |
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|a Hydrogen Peroxide
|2 NLM
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| 650 |
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|a BBX060AN9V
|2 NLM
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| 650 |
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|a Iron
|2 NLM
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| 650 |
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|a E1UOL152H7
|2 NLM
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| 700 |
1 |
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|a He, Fu
|e verfasserin
|4 aut
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1 |
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|a Ma, Wencheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Yichuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dong, Jiaju
|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 85(2022), 6 vom: 30. März, Seite 1813-1823
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnas
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| 773 |
1 |
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|g volume:85
|g year:2022
|g number:6
|g day:30
|g month:03
|g pages:1813-1823
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|u http://dx.doi.org/10.2166/wst.2022.073
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