Identification of odorous compounds in reclaimed water using FPA combined with sensory GC-MS

查看全文 作　　者：Zhiming Yan Yu Zhang Jianwei Yu Hongying Yuan Min [1]Yang

机构地区：[1]State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences,Beijing 100085, China.

出　　处：《Journal of Environmental Sciences》索引2011年第23卷第10期,共5页

基　　金：supported by the National Water Project of China (No. 2008ZX07314-003);the National Natural Science Foundation of China (No. 50808171);the Chinese Academy of Sciences (No. KZCX1-YW-06);the Research Fund of Tianjin Key Laboratory of Aquatic Science and Technology 摘　　要：Odorous compounds in the influent of a reclaimed water treatment plant (RWTP),consisting of coagulation,sedimentation,continuous micro-filtration (CMF),and chlorination in succession,in a north China city,were identified by combining flavor profile analysis (FPA) with sensory gas chromatograph-mass spectrometry (GC-MS).The sewery/swampy/septic odor with an odor intensity of 6.4 was found to be the major odor group in the RWTP influent,and the existence of well-known odorant including dimethyl disulfide,dimethyl trisulfide,indole and skatole were confirmed using GC-MS.The result of a spiking test showed that the intensity (3.6) of the sewery/swampy/septic odor caused by these four chemicals contributed to over 50% of the odor intensity of the influent.The FPA intensity for sewery/swampy/septic odor in the RWTP effluent was 3.8,showing that the treatment process was not efficient for the removal of odorants,particularly indole and skatole. 关键词：化合物再生水 GC MS 感官二甲基二硫化物平面结异味

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Identification of odorous compounds in reclaimed water using FPA combined with sensory GC-MS

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