In this study, occurrence of the main odorous compounds in different types of source water in China, including rivers, lakes and reservoirs, were investigated by integrating the methods of flavour profile analysis (FPA) and sensory-GC/MS analysis. Simultaneous distillation extraction (SDE) was chosen as the preconcentration technique while the odour-causing compounds were identified with sensory-GC/MS. It was found that MIB, which is mainly produced by some cyanobacteria and actinomycetes, was one of the most widely distributed odour-causing compounds, regardless of source type. A peak MIB concentration of approximately 170 ng l−1 was recorded in MY Reservoir in October 2005. Among the nine investigated sites, YH Reservoir in Hebei Province was the only site showing geosmin production. A peak geosmin concentration exceeding 7,000 ng l−1 was detected in July 2007. In June 2007, a serious taste/odour (T/O) event occurred in Wuxi City, and the offensive flavour was a strong septic or marshy odour caused by dimethyl trisulfide (431 ng l−1 in finished water). Septic/swampy and earthy/musty odours occurred in source waters of Shanghai and Guangzhou. It was found that dimethyl trisulfide was mainly responsible for the septic/swampy odour and MIB for the earthy/musty one. Dimethyl trisulfide might be an important T/O-causing compound in China.
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Research Article|
December 01 2009
Occurrence of odour-causing compounds in different source waters of China
J. W. Yu;
J. W. Yu
1SKLEAC, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 18 Shuangqing Road, PO Box 2871, Beijing 100085, China
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Y. M. Zhao;
Y. M. Zhao
1SKLEAC, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 18 Shuangqing Road, PO Box 2871, Beijing 100085, China
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M. Yang;
1SKLEAC, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 18 Shuangqing Road, PO Box 2871, Beijing 100085, China
Tel.: +86-10-62923475 Fax: +86-10-62923541; E-mail: yangmin@rcees.ac.cn
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Tsair-Fuh Lin;
Tsair-Fuh Lin
2Department of Environmental Engineering, National Cheng Kung University, 1 University Road, Tainan City 70101, Taiwan
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Z. H. Guo;
Z. H. Guo
1SKLEAC, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 18 Shuangqing Road, PO Box 2871, Beijing 100085, China
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J. N. Gu;
J. N. Gu
3Beijing Waterworks (Group) Co. Ltd, No. 121 Xuan Wu Men Road, Xicheng District, Beijing 100085, China
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S. Li;
S. Li
4Beijing Capital Co., Ltd, No. 8 Bei San Huan East Road, Chao Yang District, Beijing 100028, China
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W. Han
W. Han
4Beijing Capital Co., Ltd, No. 8 Bei San Huan East Road, Chao Yang District, Beijing 100028, China
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Journal of Water Supply: Research and Technology-Aqua (2009) 58 (8): 587–594.
Article history
Received:
January 12 2009
Accepted:
August 25 2009
Citation
J. W. Yu, Y. M. Zhao, M. Yang, Tsair-Fuh Lin, Z. H. Guo, J. N. Gu, S. Li, W. Han; Occurrence of odour-causing compounds in different source waters of China. Journal of Water Supply: Research and Technology-Aqua 1 December 2009; 58 (8): 587–594. doi: https://doi.org/10.2166/aqua.2009.023
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J. W. Yu, Y. M. Zhao, M. Yang, Tsair-Fuh Lin, Z. H. Guo, J. N. Gu, S. Li, W. Han; Occurrence of odour-causing compounds in different source waters of China. Journal of Water Supply: Research and Technology-Aqua 1 December 2009; 58 (8): 587–594. doi: https://doi.org/10.2166/aqua.2009.023
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