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Geoenvironmental characteristics of bisphenol a contaminated soil after persulfate treatment with different activation/ enhancement methods
Fuming Liu1,2,3,4; Yong-Zhan Chen2,3; Shuping Yi1,4; Wan-huan Zhou2,3; Linshen Xie5; Hongyun Ma6
2019-04-18
Source PublicationPLoS ONE
ISSN1932-6203
Volume14Issue:4
Abstract

Persulfate (PSF) is a strong oxidant that has been used extensively in the In-Situ Chemical Oxidation (ISCO) technology. The geoenvironmental impact of PSF treatment is barely investigated. This situation should be carefully considered as it may affect the reutilization of contaminated soil as engineering materials. This paper studied the removal of bisphenol A (BPA) by PSF with Nano Zero-Valent Iron (nZVI) and percarbonate (SPC) activated/enhanced and their subsequent impacts on the engineering properties of soil. The physicochemical and geotechnical properties of soils before and after treatment were evaluated using batch experiments. The results indicate that the introduced pristine PSF can be activated by some naturally occurring matters and subsequently lead to the mineralization of BPA. Both non-activated PSF and activated/enhanced PSF treatment led to the soil improvement in the undrained shear strength at different degrees. The primary mechanism of soil improvement is ascribed to the heterogeneous sulfate and/or carbonate precipitation. Meanwhile, Ca2+ in the pore fluid played a significant role in the enhancement of the soil strength. A conclusion was drawn that the treatment of both non-activated PSF, nZVI- and SPC-activated PSF treatment can achieve removal of BPA and soil improvement in the short-term simultaneously. This study can improve the PSF-involved remediation of brownfields and dredged sediments for a sustainable and low-carbon society.

DOI10.1371/journal.pone.0214024
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000465015500008
PublisherPUBLIC LIBRARY SCIENCE, 1160 BATTERY STREET, STE 100, SAN FRANCISCO, CA 94111
Scopus ID2-s2.0-85064501010
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Cited Times [WOS]:1   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING
Co-First AuthorFuming Liu
Corresponding AuthorShuping Yi
Affiliation1.School of Environmental Science and Engineering,Southern University of Science and Technology,Shenzhen,China
2.Department of Civil and Environmental Engineering,Faculty of Science and Technology,University of Macau,Macau,China
3.State Key Laboratory of Internet of Things for Smart City,University of Macau,Macau,China
4.Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution Control,Shenzhen,China
5.Shenzhen Institute of Environmental Science,Shenzhen,China
6.Key Laboratory for Groundwater and Ecology in Arid and Semi-arid Areas,CGS,Xi’an,China
First Author AffilicationFaculty of Science and Technology;  University of Macau
Recommended Citation
GB/T 7714
Fuming Liu,Yong-Zhan Chen,Shuping Yi,et al. Geoenvironmental characteristics of bisphenol a contaminated soil after persulfate treatment with different activation/ enhancement methods[J]. PLoS ONE,2019,14(4).
APA Fuming Liu,Yong-Zhan Chen,Shuping Yi,Wan-huan Zhou,Linshen Xie,&Hongyun Ma.(2019).Geoenvironmental characteristics of bisphenol a contaminated soil after persulfate treatment with different activation/ enhancement methods.PLoS ONE,14(4).
MLA Fuming Liu,et al."Geoenvironmental characteristics of bisphenol a contaminated soil after persulfate treatment with different activation/ enhancement methods".PLoS ONE 14.4(2019).
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