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Kinetics for degradation of bisphenol A during aerobic composting of sewage sludge and sawdust
Zhang, Jun1,2; Yang, Bo-Wen1; Chen, Tong-Bin3; Wang, Dun-Qiu1
2017-09-01
Source PublicationDESALINATION AND WATER TREATMENT
ISSN1944-3994
Volume90Pages:206-213
Corresponding AuthorWang, Dun-Qiu(wangdunqiu@sohu.com)
AbstractTo investigate the kinetics of the degradation of bisphenol A (BPA) by aerobic composting of sewage sludge (SS) and the effects of the major controlling factors, six pilot-scale (5 L) and 10 bench-scale (0.5 L) trials were conducted using sawdust as the amendment. For BPA with initial concentrations of 0.349-0.551 mg kg(-1) in pilot-scale trials, half the BPA was removed within the first 2.5-7.5 d of the 14-d composting process. Fitting the pilot-scale BPA reduction data to first-order kinetic models indicated that degradation rate constants and half-lives for BPA ranged from 0.095 to 0.175 d(-1) and from 4.0 to 7.3 d, respectively. Kinetic parameters were obtained from bench-scale trials under various controlling factors such as initial concentration of BPA, aeration, moisture content and temperature. The results showed that thermophilic aerobic biodegradation was the main mechanism for BPA removal during the aerobic stabilization phase of SS composting. The optimum conditions for BPA degradation were 0.3-30 mg kg(-1) initial concentration, 0.050-0.100 L min(-1) kg(-1) aeration rate, 60%-70% moisture content and 60 degrees C-70 degrees C temperature. Our findings could be used to further the enhancement of BPA biodegradation in SS or other solid wastes.
KeywordBisphenol A Sewage sludge Composting Degradation Kinetics
DOI10.5004/dwt.2017.21275
WOS KeywordWATER TREATMENT PLANTS ; ENDOCRINE DISRUPTING CHEMICALS ; WASTE-WATER ; AQUATIC ENVIRONMENTS ; ACUTE TOXICITY ; PRODUCTS ; EXPOSURE ; SORPTION ; CHINA ; BPA
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51638006] ; National Natural Science Foundation of China[41371455] ; Guangxi Natural Science Foundation[2014GXNSFBA118210] ; Guangxi Natural Science Foundation[2016GXNSFAA380005]
Funding OrganizationNational Natural Science Foundation of China ; Guangxi Natural Science Foundation
WOS Research AreaEngineering ; Water Resources
WOS SubjectEngineering, Chemical ; Water Resources
WOS IDWOS:000418401300022
PublisherDESALINATION PUBL
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/56815
Collection中国科学院地理科学与资源研究所
Corresponding AuthorWang, Dun-Qiu
Affiliation1.Guilin Univ Technol, Guangxi Key Lab Environm Pollut Control Theory &, 12 Jiangan Rd, Guilin 541004, Peoples R China
2.Guilin Univ Technol, Collaborat Innovat Ctr Water Pollut Control & Wat, 12 Jiangan Rd, Guilin 541004, Peoples R China
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Ctr Environm Remediat, 11A Datun Rd, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Jun,Yang, Bo-Wen,Chen, Tong-Bin,et al. Kinetics for degradation of bisphenol A during aerobic composting of sewage sludge and sawdust[J]. DESALINATION AND WATER TREATMENT,2017,90:206-213.
APA Zhang, Jun,Yang, Bo-Wen,Chen, Tong-Bin,&Wang, Dun-Qiu.(2017).Kinetics for degradation of bisphenol A during aerobic composting of sewage sludge and sawdust.DESALINATION AND WATER TREATMENT,90,206-213.
MLA Zhang, Jun,et al."Kinetics for degradation of bisphenol A during aerobic composting of sewage sludge and sawdust".DESALINATION AND WATER TREATMENT 90(2017):206-213.
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