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240715s2024 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2024.220
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|a pubmed24n1471.xml
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|a (DE-627)NLM37495061X
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|a (NLM)39007326
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|a DE-627
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|a eng
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|a Zhao, Xuanran
|e verfasserin
|4 aut
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|a Enhanced removal of 1,2-dichloroethane by nanoscale calcium peroxide activation with Fe(III) coupled with different iron sulfides
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|c 2024
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|a Text
|b txt
|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 15.07.2024
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|a Date Revised 15.07.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2024 The Authors This is an Open Access article distributed under the terms of the Creative Commons Attribution Licence (CC BY 4.0), which permits copying, adaptation and redistribution, provided the original work is properly cited (http://creativecommons.org/licenses/by/4.0/).
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|a Fe(II) is of great importance in iron-based advanced oxidation processes. However, traditional methods to maintain Fe(II) concentration, such as the addition of chelating agents or reducing agents, may lead to an increase in chemical oxygen demand of secondary pollution. Therefore, in this study, iron sulfides, namely ferrous sulfide (FeS), pyrite (FeS2), and sulfidated nanoscale zero-valent iron (S-nZVI), were applied for not only the regeneration of Fe(II) but also the direct dissolution of Fe(II). Nanoscale calcium peroxide (nCaO2) was synthesized and used as the oxidant. The removal of 1,2-dichloroethane (1,2-DCA) were significantly promoted from 8.8 to 98.2, 79.2, and 80.8% with the aid of FeS, FeS2, and S-nZVI within 180 min, respectively. The dominant reactive oxygen species were demonstrated and their steady-state concentrations were quantified. Besides, the dechlorination of 1,2-DCA reached 90.4, 69.5, and 83.9% in nCaO2/Fe(III) systems coupled with FeS, FeS2, and S-nZVI, respectively. All three systems had high tolerance to the complex water conditions, of which FeS-enhanced nCaO2/Fe(III) system displayed the best performance, which could be recommended to put into practice for the remediation of 1,2-DCA contaminated groundwater
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|a Journal Article
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|a 1
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|a 2-dichloroethane
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|a groundwater remediation
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|a iron sulfides
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|a nanoscale calcium peroxide
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|a sulfur species
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|a Ethylene Dichlorides
|2 NLM
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|a ethylene dichloride
|2 NLM
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|a 55163IJI47
|2 NLM
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|a calcium peroxide
|2 NLM
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|a 7FRO2ENO91
|2 NLM
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|a Peroxides
|2 NLM
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|a Sulfides
|2 NLM
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|a Iron
|2 NLM
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|a E1UOL152H7
|2 NLM
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|a Water Pollutants, Chemical
|2 NLM
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|a Ferric Compounds
|2 NLM
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|a ferrous sulfide
|2 NLM
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|a TH5J4TUX6S
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|a Ferrous Compounds
|2 NLM
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1 |
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|a Xu, Yuanze
|e verfasserin
|4 aut
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|a Zhu, Xueqiang
|e verfasserin
|4 aut
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|a Cao, Enwei
|e verfasserin
|4 aut
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|a Wang, Wei
|e verfasserin
|4 aut
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|a Lyu, Shuguang
|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 90(2024), 1 vom: 13. Juli, Seite 384-397
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
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|g volume:90
|g year:2024
|g number:1
|g day:13
|g month:07
|g pages:384-397
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|u http://dx.doi.org/10.2166/wst.2024.220
|3 Volltext
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|d 90
|j 2024
|e 1
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|c 07
|h 384-397
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