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Biodegradation of nonylphenol during aerobic composting of sewage sludge under two intermittent aeration treatments in a full-scale plant
Zheng, Guodi1,4; Wang, Tieyu2,4; Niu, Mingjie1,4; Chen, Xijuan3,4; Liu, Changli1,4; Wang, Yuewei1,4; Chen, Tongbin1,4
2018-07-01
Source PublicationENVIRONMENTAL POLLUTION
ISSN0269-7491
Volume238Pages:783-791
Corresponding AuthorZheng, Guodi(zhenggd@igsnrr.ac.cn)
AbstractThe urbanization and industrialization of cities around the coastal region of the Bohai Sea have produced large amounts of sewage sludge from sewage treatment plants. Research on the biodegradation of nonylphenol (NP) and the influencing factors of such biodegradation during sewage sludge composting is important to control pollution caused by land application of sewage sludge. The present study investigated the effect of aeration on NP biodegradation and the microbe community during aerobic corn posting under two intermittent aeration treatments in a full-scale plant of sewage sludge, sawdust, and returned compost at a ratio of 6:3:1. The results showed that 65% of NP was biodegraded and that Bacillus was the dominant bacterial species in the mesophilic phase. The amount of NP biodegraded in the mesophilic phase was 68.3%, which accounted for 64.6% of the total amount of biodegraded NP. The amount of NP biodegraded under high-volume aeration was 19.6% higher than that under low-volume aeration. Bacillus was dominant for 60.9% of the composting period under high-volume aeration, compared to 22.7% dominance under low-volume aeration. In the thermophilic phase, high-volume aeration promoted the biodegradation of NP and Bacillus remained the dominant bacterial species. In the cooling and stable phases, the contents of NP underwent insignificant change while different dominant bacteria were observed in the two treatments. NP was mostly biodegraded by Bacillus, and the rate of biodegradation was significantly correlated with the abundance of Bacillus (r = 0.63, p < 0.05). Under aeration, Bacillus remained the dominant bacteria, especially in the thermal phase; this phenomenon possibly increased the biodegradation efficiency of NP. High-volume aeration accelerated the activity and prolonged the survival of Bacillus. The risk of organic pollution could be decreased prior to sewage sludge reuse in soil by adjusting the ventilation strategies of aerobic compost measurements. (C) 2018 Elsevier Ltd. All rights reserved.
KeywordNonylphenol Biodegradation Sewage sludge Compost Aeration
DOI10.1016/j.envpol.2018.03.112
WOS KeywordISOMER-SPECIFIC BIODEGRADATION ; WASTE-WATER TREATMENT ; DEGRADING BACTERIUM ; RIVER SEDIMENT ; BOHAI SEA ; GEN. NOV. ; AROMATIC-HYDROCARBONS ; ANAEROBIC-DIGESTION ; ACTIVATED-SLUDGE ; DEGRADATION
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41101463] ; National Natural Science Foundation of China[41371455]
Funding OrganizationNational Natural Science Foundation of China
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000434754600083
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/54691
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZheng, Guodi
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Ctr Environm Remediat, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Beijing 100085, Peoples R China
3.Chinese Acad Sci, Inst Appl Ecol, Shenyang 110016, Liaoning, Peoples R China
4.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zheng, Guodi,Wang, Tieyu,Niu, Mingjie,et al. Biodegradation of nonylphenol during aerobic composting of sewage sludge under two intermittent aeration treatments in a full-scale plant[J]. ENVIRONMENTAL POLLUTION,2018,238:783-791.
APA Zheng, Guodi.,Wang, Tieyu.,Niu, Mingjie.,Chen, Xijuan.,Liu, Changli.,...&Chen, Tongbin.(2018).Biodegradation of nonylphenol during aerobic composting of sewage sludge under two intermittent aeration treatments in a full-scale plant.ENVIRONMENTAL POLLUTION,238,783-791.
MLA Zheng, Guodi,et al."Biodegradation of nonylphenol during aerobic composting of sewage sludge under two intermittent aeration treatments in a full-scale plant".ENVIRONMENTAL POLLUTION 238(2018):783-791.
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