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241129s2024 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2024.372
|2 doi
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|a pubmed25n1269.xml
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|a (DE-627)NLM380984903
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|a (NLM)39612184
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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 Tang, Zhi
|e verfasserin
|4 aut
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|a Effects of copper and lead on the sorption and desorption behaviors of benzene onto humic acids and black carbons
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|c 2024
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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
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|2 rdacarrier
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|a Date Completed 29.11.2024
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|a Date Revised 29.11.2024
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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 Due to rapid urbanization and industrialization, combined pollution caused by BTEX (benzene, toluene, ethylbenzene, and xylene) and heavy metals has become ubiquitous in soils, which would pose serious health risks to humans. However, the effects of heavy metals on the sorption and desorption behaviors of BTEX have not been fully elucidated. In this study, the effects of Cu2+ and Pb2+ ions on the sorption and desorption of benzene onto humic acids and black carbons were investigated. The results showed that Cu2+ and Pb2+ ions significantly reduced the sorption capacity, slowed down the sorption rate, and made the desorption less hysteretic of benzene on both humic acids and black carbons. Furthermore, the inhibitory effects by Pb2+ were significantly stronger than those of Cu2+. By combining the results of Fourier transform infrared spectroscopy and the site energy distribution model, it can be speculated that the hydration shells of Cu2+ and Pb2+ ions partially cover the surface of humic acids and black carbons, blocking their micropores and shielding sorption sites, consequently inhibiting the sorption of benzene. This study highlights that coexisting metal cations can significantly influence the fate of BTEX in soils
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|a Journal Article
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|a benzene
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|a desorption
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|a heavy metals
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|a soil organic matter
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|a sorption
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|a Benzene
|2 NLM
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|a J64922108F
|2 NLM
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|a Copper
|2 NLM
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|a 789U1901C5
|2 NLM
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| 650 |
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|a Humic Substances
|2 NLM
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| 650 |
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|a Lead
|2 NLM
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| 650 |
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|a 2P299V784P
|2 NLM
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| 650 |
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|a Soil Pollutants
|2 NLM
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| 650 |
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|a Soot
|2 NLM
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| 700 |
1 |
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|a Yang, Sen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Yilian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Du, Juan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xiong, Yangfu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fu, Shengbo
|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 90(2024), 10 vom: 01. Nov., Seite 2947-2960
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnas
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| 773 |
1 |
8 |
|g volume:90
|g year:2024
|g number:10
|g day:01
|g month:11
|g pages:2947-2960
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|u http://dx.doi.org/10.2166/wst.2024.372
|3 Volltext
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