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Treatment performance and microbial response to dibutyl phthalate contaminated wastewater in vertical flow constructed wetland mesocosms

文献类型：期刊论文

作者Li, Tiancui1,2; Fan, Yaocheng1,2; Cun, Deshou1,2; Song, Xiaoyong1,2; Dai, Yanran2; Wang, Feihua2; Wu, Chenxi2; Liang, Wei2
刊名CHEMOSPHERE
出版日期2020-05-01
卷号246页码:11
ISSN号0045-6535
关键词Dibutyl phthalate Microbial community Substrate Wetland plant
DOI10.1016/j.chemosphere.2019.125635
通讯作者Liang, Wei(liangwei02@tsinghua.org.cn)
英文摘要Phthalic acid esters (PAEs), especially dibutyl phthalate (DBP) pollution in the environment, have attracted worldwide attention. Four Phragmites australis-based, mesocosm-scale vertical flow constructed wetlands (VFCWs) with different hydraulic loading rates (HLRs) were operated for one year to study the removal efficiency and mechanisms of DBP in the reclaimed water. The average removal efficiencies for DBP were 93.77 +/- 3.27%, 94.9 +/- 2.60% and 97.0 +/- 3.00% in the VFCWs under HLRs of 0.33, 0.22 and 0.11 m/d, respectively. DBP can be accumulated and degraded by wetland plants and its concentration in the roots (0.256-8.45 mg/kg) were higher than in the leaves (0.243-0.482 mg/kg). The concentrations of primary and secondary metabolites mono-n-butyl phthalate (MBP) and phthalic acid (PA) were 0.142 -2.35 mg/kg and 0.113-0.545 mg/kg respectively in the plant tissues. The concentrations of DBP were 38.2-271 mu g/kg in the substrates. Mass balance for DBP indicates that the estimated plant uptake and substrate adsorption of total DBP is negligible. This suggests that biodegradation and other process are the primary pathways for DBP removal in VFCWs. The results of 16S rDNA and ITS rDNA high-throughput sequencing indicated that both bacterial and fungal community diversity decreased with the exposure of DBP. Janthinobacterium, Flavobacterium and Curvularia genera may be the main participants in the biodegradation of DBP in the CWs. (C) 2019 Elsevier Ltd. All rights reserved.
WOS关键词N-BUTYL PHTHALATE ; ACCUMULATING CULTIVARS ; ACID ESTERS ; REMOVAL ; DEGRADATION ; COMMUNITY ; BACTERIAL ; DESIGN ; PHARMACEUTICALS ; RHIZOSPHERE
资助项目Strategic Priority Research Program of Chinese Academy of Sciences[XDA2304040101] ; National Natural Science Foundation of China[51578538]
WOS研究方向Environmental Sciences & Ecology
语种英语
出版者PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号WOS:000527918200008
资助机构Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
源URL[http://ir.ihb.ac.cn/handle/342005/36395]  
专题水生生物研究所_水环境工程研究中心_期刊论文
通讯作者Liang, Wei
作者单位1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
推荐引用方式
GB/T 7714		 Li, Tiancui,Fan, Yaocheng,Cun, Deshou,et al. Treatment performance and microbial response to dibutyl phthalate contaminated wastewater in vertical flow constructed wetland mesocosms[J]. CHEMOSPHERE,2020,246:11.
APA Li, Tiancui.,Fan, Yaocheng.,Cun, Deshou.,Song, Xiaoyong.,Dai, Yanran.,...&Liang, Wei.(2020).Treatment performance and microbial response to dibutyl phthalate contaminated wastewater in vertical flow constructed wetland mesocosms.CHEMOSPHERE,246,11.
MLA Li, Tiancui,et al."Treatment performance and microbial response to dibutyl phthalate contaminated wastewater in vertical flow constructed wetland mesocosms".CHEMOSPHERE 246(2020):11.

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来源：水生生物研究所

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