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Emission characteristics and health risk assessment of volatile organic compounds produced during municipal solid waste composting
Nie, Erqi; Zheng, Guodi1,2; Shao, Zhuze; Yang, Jun; Chen, Tongbin
2018-09-01
Source PublicationWASTE MANAGEMENT
ISSN0956-053X
Volume79Pages:188-195
Corresponding AuthorZheng, Guodi(zhenggd@igsnrr.ac.cn)
AbstractMunicipal solid waste degradation during composting generates volatile organic compounds (VOCs), which can pose health risks the staff at the composting site and people living nearby. This problem restricts the widespread application of composting techniques. The characteristics of VOCs emitted from different units at a composting plant and the health risks posed were investigated in this study. A total of 44 VOCs (including alkanes, alkenes, aromatic compounds, halogenated compounds, oxygenated compounds, and sulfur-containing compounds) were identified and quantified. The highest VOC concentration (15484.1 +/- 85.3 mu g/m(3)) was found in primary fermentation, followed by the tipping unit (10302.1 +/- 1334.8 mu g/m(3)), composting product (4693.6 +/- 1024.3 mu g/m(3)), secondary fermentation (929.9 +/- 105.2 mu g/m(3)), and plant boundary (370.4 +/- 75.8 mu g/m(3)). The mean VOC concentration was 6356.0 mu g/m(3). The main compounds emitted during primary fermentation were oxygenated and those emitted from the tipping unit were alkenes. Health risk assessments indicate that VOCs did not pose unacceptable non-carcinogenic risks i.e., the HR values were <1 and carcinogenic risks (CR) values were <1.0 x 10(-4). These results indicate that VOC emissions do not pose health risks to the staff at the composting site or to people living nearby. However, the cumulative non-carcinogenic and carcinogenic risks posed by the VOC mixture were high, especially for the primary fermentation unit emissions. Therefore, protecting the staff working near the primary fermentation unit should be a priority. Measures should be taken to minimize cumulative non -carcinogenic and carcinogenic risks because people are exposed to a mixture of VOCs mixture rather than to a single type of VOC. (C) 2018 Elsevier Ltd. All rights reserved.
KeywordMunicipal solid waste Composting Volatile organic compounds Health risk assessment GC-MS
DOI10.1016/j.wasman.2018.07.024
WOS KeywordCHROMATOGRAPHY-MASS SPECTROMETRY ; PILOT-SCALE ; TREATMENT FACILITY ; GASEOUS EMISSIONS ; TREATMENT PLANTS ; VOC EMISSIONS ; CHINA ; LANDFILL ; POLLUTION ; AIR
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2016YFD0501408] ; National Key Research and Development Program of China[2014BAC02B01]
Funding OrganizationNational Key Research and Development Program of China
WOS Research AreaEngineering ; Environmental Sciences & Ecology
WOS SubjectEngineering, Environmental ; Environmental Sciences
WOS IDWOS:000449133500020
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/52551
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.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Nie, Erqi,Zheng, Guodi,Shao, Zhuze,et al. Emission characteristics and health risk assessment of volatile organic compounds produced during municipal solid waste composting[J]. WASTE MANAGEMENT,2018,79:188-195.
APA Nie, Erqi,Zheng, Guodi,Shao, Zhuze,Yang, Jun,&Chen, Tongbin.(2018).Emission characteristics and health risk assessment of volatile organic compounds produced during municipal solid waste composting.WASTE MANAGEMENT,79,188-195.
MLA Nie, Erqi,et al."Emission characteristics and health risk assessment of volatile organic compounds produced during municipal solid waste composting".WASTE MANAGEMENT 79(2018):188-195.
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