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Simultaneous removal of nitrogen and dimethyl phthalate from low-carbon wastewaters by using intermittently-aerated constructed wetlands

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Simultaneous removal of nitrogen and dimethyl phthalate from low-carbon wastewaters by using intermittently-aerated constructed wetlands. / Zhao, Xin; Wang, Rui Gang; Dong, Lu et al.
I: Journal of Hazardous Materials, Bind 404, Nr. Part A, 124130, 02.2021.

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisTidsskriftartikelForskningpeer review

Harvard

Zhao, X, Wang, RG, Dong, L, Li, W, Li, M & Wu, H 2021, 'Simultaneous removal of nitrogen and dimethyl phthalate from low-carbon wastewaters by using intermittently-aerated constructed wetlands', Journal of Hazardous Materials, bind 404, nr. Part A, 124130. https://doi.org/10.1016/j.jhazmat.2020.124130

APA

Zhao, X., Wang, R. G., Dong, L., Li, W., Li, M., & Wu, H. (2021). Simultaneous removal of nitrogen and dimethyl phthalate from low-carbon wastewaters by using intermittently-aerated constructed wetlands. Journal of Hazardous Materials, 404(Part A), [124130]. https://doi.org/10.1016/j.jhazmat.2020.124130

CBE

MLA

Vancouver

Zhao X, Wang RG, Dong L, Li W, Li M, Wu H. Simultaneous removal of nitrogen and dimethyl phthalate from low-carbon wastewaters by using intermittently-aerated constructed wetlands. Journal of Hazardous Materials. 2021 feb.;404(Part A):124130. doi: 10.1016/j.jhazmat.2020.124130

Author

Zhao, Xin ; Wang, Rui Gang ; Dong, Lu et al. / Simultaneous removal of nitrogen and dimethyl phthalate from low-carbon wastewaters by using intermittently-aerated constructed wetlands. I: Journal of Hazardous Materials. 2021 ; Bind 404, Nr. Part A.

Bibtex

@article{ec2440473a8141f99ecc9f93ebece0f0,
title = "Simultaneous removal of nitrogen and dimethyl phthalate from low-carbon wastewaters by using intermittently-aerated constructed wetlands",
abstract = "Phthalic acid esters (PAEs) such as dimethyl phthalate (DMP) have been widely used as a plasticizer in society, which pose severe harm to human health. In this study, the potential of DMP elimination and nitrogen removal from low-carbon wastewaters by intermittently-aerated subsurface flow constructed wetlands (SSFCWs) was evaluated, and the effect of the influent DMP concentrations on nitrogen removal was also investigated. The results showed a better removal of DMP (88.5–97.8%) was obtained in CWs under different influent DMP concentrations, and the high removal of COD (86.7–95.0%) and NH4+-N (95.5–98.7%) was also achieved simultaneously. The maximum TN removal (48.7%) was observed at an influent DMP concentration of 10 mg L−1. Furthermore, the TN removal and DMP reduction had a good fitting relationship (R2 = 0.71) in CWs under different influent DMP concentrations. The analysis of DMP decomposition processes demonstrated that DMP was degraded into some smaller molecular fractions, and DMP degradation intermediates mainly including monomethyl phthalate (MMP) and phthalate (PA), which might provide a potential carbon source for the denitrification processes in CWs. These findings could contribute to a better understanding of DMP removal mechanism and provide useful guidance for the practical application of CWs for treating wastewater containing phthalates.",
keywords = "Constructed wetlands, Dimethyl phthalate, Low-carbon wastewaters, Nitrogen removal",
author = "Xin Zhao and Wang, {Rui Gang} and Lu Dong and Wen Li and Ming Li and Haiming Wu",
note = "Funding Information: We gratefully acknowledge financial support from the National Science Foundation of China (NSFC, Project No. 51508466 ). Publisher Copyright: {\textcopyright} 2020 Elsevier B.V. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.",
year = "2021",
month = feb,
doi = "10.1016/j.jhazmat.2020.124130",
language = "English",
volume = "404",
journal = "Journal of Hazardous Materials",
issn = "0304-3894",
publisher = "Elsevier BV",
number = "Part A",

}

RIS

TY - JOUR

T1 - Simultaneous removal of nitrogen and dimethyl phthalate from low-carbon wastewaters by using intermittently-aerated constructed wetlands

AU - Zhao, Xin

AU - Wang, Rui Gang

AU - Dong, Lu

AU - Li, Wen

AU - Li, Ming

AU - Wu, Haiming

N1 - Funding Information: We gratefully acknowledge financial support from the National Science Foundation of China (NSFC, Project No. 51508466 ). Publisher Copyright: © 2020 Elsevier B.V. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.

PY - 2021/2

Y1 - 2021/2

N2 - Phthalic acid esters (PAEs) such as dimethyl phthalate (DMP) have been widely used as a plasticizer in society, which pose severe harm to human health. In this study, the potential of DMP elimination and nitrogen removal from low-carbon wastewaters by intermittently-aerated subsurface flow constructed wetlands (SSFCWs) was evaluated, and the effect of the influent DMP concentrations on nitrogen removal was also investigated. The results showed a better removal of DMP (88.5–97.8%) was obtained in CWs under different influent DMP concentrations, and the high removal of COD (86.7–95.0%) and NH4+-N (95.5–98.7%) was also achieved simultaneously. The maximum TN removal (48.7%) was observed at an influent DMP concentration of 10 mg L−1. Furthermore, the TN removal and DMP reduction had a good fitting relationship (R2 = 0.71) in CWs under different influent DMP concentrations. The analysis of DMP decomposition processes demonstrated that DMP was degraded into some smaller molecular fractions, and DMP degradation intermediates mainly including monomethyl phthalate (MMP) and phthalate (PA), which might provide a potential carbon source for the denitrification processes in CWs. These findings could contribute to a better understanding of DMP removal mechanism and provide useful guidance for the practical application of CWs for treating wastewater containing phthalates.

AB - Phthalic acid esters (PAEs) such as dimethyl phthalate (DMP) have been widely used as a plasticizer in society, which pose severe harm to human health. In this study, the potential of DMP elimination and nitrogen removal from low-carbon wastewaters by intermittently-aerated subsurface flow constructed wetlands (SSFCWs) was evaluated, and the effect of the influent DMP concentrations on nitrogen removal was also investigated. The results showed a better removal of DMP (88.5–97.8%) was obtained in CWs under different influent DMP concentrations, and the high removal of COD (86.7–95.0%) and NH4+-N (95.5–98.7%) was also achieved simultaneously. The maximum TN removal (48.7%) was observed at an influent DMP concentration of 10 mg L−1. Furthermore, the TN removal and DMP reduction had a good fitting relationship (R2 = 0.71) in CWs under different influent DMP concentrations. The analysis of DMP decomposition processes demonstrated that DMP was degraded into some smaller molecular fractions, and DMP degradation intermediates mainly including monomethyl phthalate (MMP) and phthalate (PA), which might provide a potential carbon source for the denitrification processes in CWs. These findings could contribute to a better understanding of DMP removal mechanism and provide useful guidance for the practical application of CWs for treating wastewater containing phthalates.

KW - Constructed wetlands

KW - Dimethyl phthalate

KW - Low-carbon wastewaters

KW - Nitrogen removal

UR - http://www.scopus.com/inward/record.url?scp=85092258432&partnerID=8YFLogxK

U2 - 10.1016/j.jhazmat.2020.124130

DO - 10.1016/j.jhazmat.2020.124130

M3 - Journal article

C2 - 33045462

AN - SCOPUS:85092258432

VL - 404

JO - Journal of Hazardous Materials

JF - Journal of Hazardous Materials

SN - 0304-3894

IS - Part A

M1 - 124130

ER -