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浙江大学学报(工学版)
浙江大学学报(工学版)
土木工程     
杭州市水源中藻类衍生嗅味污染及其释放特征
马晓雁1,李军1,李青松2,倪永炯1,陈晨1,高乃云3
1.浙江工业大学 建筑工程学院市政工程研究所,浙江 杭州 310014；
2.厦门理工学院 水资源环境研究所,福建 厦门 361005；3.同济大学 环境科学与工程学院,上海,200092
Odorous contaminants in drinking water source of Hangzhou and releasing characters from algae
MA Xiao-yan1,LI Jun1,LI Qing-song2,NI Yong-jong1,CHEN Chen1,GAO Nai-yun3
1. College of Civil Engineering and Architecture, Zhejiang University of Technology, Hangzhou 310014, China；
2. Water Resources and Environmental Institute, Xiamen University of Technology, Xiamen 361005, China；
3. College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
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摘要：

分别采用显微镜鉴别、计数法和固相微萃取-气质联用（SPME-GC/MS）分析方法对杭州市区饮水水源中藻类构成和部分藻类衍生嗅味污染物的分布特征进行调查,并展开主要嗅味污染物的藻源性分析.结果表明,水源水中藻类以硅藻和绿藻为构成主体,伴有季节性变化特征.β-环柠檬醛(β-cyclocitral)是最易检出嗅味污染物,最高检出质量浓度51.4 ng/L,其他嗅味污染物2-甲基异茨醇（2-MIB）,二甲基三硫醚（DMTS）和土臭素（GSM）等检出质量浓度较低,但峰值浓度已超出嗅阈值.β-cyclocitral的藻源性研究结果表明,铜绿微囊藻释放的嗅味污染物以β-cyclocitral为主,另含有少量的DMTS和β-紫罗兰酮（β-ionone）.藻细胞质量浓度为106 L-1时,水中β-cyclocitral质量浓度最高可达44.0 ng/L,通过细胞破碎测定胞内质量浓度表征释放潜能,最高可达174.8 ng/L.
Abstract:

Identification and counting by microscope together with solid phase miroextration-gas chromatography (SPME-GC/MS) were employed to investigate distribution characteristic of algae, odorous contaminants probably derived by algae in water source of Hangzhou district followed by origin identification of primary odorous contaminant. Results show that bacillariophyta and chlorophyta account for the dominant algae and vary along with seasons during the investigation period. β-Cyclocitral is the most frequently detected chemical than others with peak value of 51.4ng/L. Other odorous chemicals such as 2-methylisoborneol(2-MIB), dimethyl trisulfide and gesomin are detected occasionally, however peak values are beyond their odor threshold. Algae origin research for β-cyclocitral was carried out and results show that Microcystis aeruginosa can produce several odorous contaminants including a large quantity of β-cyclocitral, while a small of β-ionone and dimethyl trisulfide. When algal concentration fixed at 106 L-1, highest released concentration of β-cyclocitral is 44.0 ng/L in continuous ten-days detection, and the release potential is 174.8 ng/L through the intracellular β-cyclocitral transferring into water from break algal cells.
出版日期: 2014-11-26
基金资助:

国家自然科学基金资助项目（51208468；51008261）;国家“十一五”科技支撑计划资助项目（2008ZX07421-002-06）;浙江省自然科学基金资助项目（LQ12E08013）;厦门理工学院杰出青年培育项目（JA11227）.
作者简介: 马晓雁（1978-）女，副教授，从事饮用水安全保障技术.E-mail：mayaner620@163.com.
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引用本文:

马晓雁,李军,李青松,倪永炯,陈晨,高乃云. 杭州市水源中藻类衍生嗅味污染及其释放特征[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008-973X.2014.05.015.

MA Xiao-yan,LI Jun,LI Qing-song,NI Yong-jong,CHEN Chen,GAO Nai-yun. Odorous contaminants in drinking water source of Hangzhou and releasing characters from algae. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008-973X.2014.05.015.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2014.05.015    或    http://www.zjujournals.com/eng/CN/Y2014/V48/I5/858

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