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A systematic study on the odorants characterization and evaluation in a plain reservoir with wetlands ecosystem
Guo, Qingyuan; Yu, Jianwei; Li, Xuan; Chen, Tianming; Wang, Chunmiao; Li, Zhaoxia; Ma, Weixing; Ding, Cheng; Yang, Min
2020-07-05
Source PublicationJOURNAL OF HAZARDOUS MATERIALS
ISSN0304-3894
Volume393Pages:1-8
AbstractThe odor problems in plain reservoirs are more complex compared to valley reservoirs and ground water reservoirs. Just as YL Reservoir with wetlands ecosystem in Lixiahe Plain, Jiangsu Province has been suffering from complex odors, however, the odorants were unclear. In this study, a systematic study on odorants characterization and evaluation of plain YL reservoir was accomplished. Totally musty, septic, fishy, chemical and grassy odors were first identified simultaneously, twenty-four odorants were identified correspondingly. According to odor activity value ranking, 2-methylisoborneol and geosmin, with odor activity values of 14-18 and 2.5-3.8, were major musty odorants, while bis(2-chloroisopropyl) ether, dimethyl disulfide, dimethyl trisulfide, pentanethiol and indole, with odor activity values of 15.3-18.8, 1-1.3, 1.5-2.3, 2-3 and 0.7-0.9, were major septic compounds. Fishy and grassy odors were associated with 2,4-decadienal, hexanal, nonanal, decanal, benzaldehyde and 13-cyclocitral, while chemical odor was related to indane, eucalyptol, 2-nitrophenol, 2-methylphenol, tetramethylpyrazine, 1,4-dichlorobenzene, p-xylene and ethylbenzene. By reconstituting tests, 98, 95, 88, 85 and 81 % of musty, septic, fishy, chemical and grassy characteristics in source water could be explained. It was notable that wetlands ecosystem has almost no effect on odor removal. This study would offer more understandings and supports for odors's control in such source waters.
Department中国科学院饮用水科学与技术重点实验室
Keywordodors/odorants Plain reservoir Wetlands ecosystem Odor activity value Reconstitution
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/45230
Collection中国科学院饮用水科学与技术重点实验室
Recommended Citation
GB/T 7714
Guo, Qingyuan,Yu, Jianwei,Li, Xuan,et al. A systematic study on the odorants characterization and evaluation in a plain reservoir with wetlands ecosystem[J]. JOURNAL OF HAZARDOUS MATERIALS,2020,393:1-8.
APA Guo, Qingyuan.,Yu, Jianwei.,Li, Xuan.,Chen, Tianming.,Wang, Chunmiao.,...&Yang, Min.(2020).A systematic study on the odorants characterization and evaluation in a plain reservoir with wetlands ecosystem.JOURNAL OF HAZARDOUS MATERIALS,393,1-8.
MLA Guo, Qingyuan,et al."A systematic study on the odorants characterization and evaluation in a plain reservoir with wetlands ecosystem".JOURNAL OF HAZARDOUS MATERIALS 393(2020):1-8.
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