[1]王文东,刘国旗,范银萍,等.西北某水厂原水中土臭素和二甲基异莰醇年变化特征与来源分析[J].西安建筑科技大学学报(自然科学版),2017,(04):548-554.[doi:10.15986/j.1006-7930.2017.04.014]
 WANG Wendong,LIU Guoqi,FAN Yinping,et al.Seasonal variation characteristic and source analysis of GSM and MIB in raw water in a water plant of northwest China[J].J. Xi’an Univ. of Arch. & Tech.(Natural Science Edition),2017,(04):548-554.[doi:10.15986/j.1006-7930.2017.04.014]
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西北某水厂原水中土臭素和二甲基异莰醇年变化特征与来源分析()
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西安建筑科技大学学报(自然科学版)[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2017年04期
页码:
548-554
栏目:
出版日期:
2017-09-10

文章信息/Info

Title:
Seasonal variation characteristic and source analysis of GSM and MIB in raw water in a water plant of northwest China
文章编号:
1006-7930(2017)04-0548-07
作者:
王文东12刘国旗1范银萍1张轲1
(1. 西安建筑科技大学 环境与市政工程学院,陕西 西安 710055 ;2. 浙江清华长三角研究院 生态环境研究所,浙江 嘉兴 314006)
Author(s):
WANG Wendong12 LIU Guoqi1 FAN Yinping1 ZHANG Ke1
(1. School of Environmental and Municipal Engineering, Xian Univ . of Arch . & Tech ., Xian 710055, China; 2. Department of Environmental Technology and Ecology, Yangtze Delta Region Institute of Tsinghua Univ., Jiaxing 314006, China)
关键词:
土臭素二甲基异莰醇固相微萃取蓝藻
Keywords:
GSM MIB SPME cyanobacteria
分类号:
X524
DOI:
10.15986/j.1006-7930.2017.04.014
文献标志码:
A
摘要:
为了探究西北某水厂致嗅物质的来源及其变化规律,解决其饮用水嗅味问题.选取我国西北某城市A水厂第二系列各工艺出水,以土臭素(Geosmin,GSM)和二甲基异莰醇(MIB)两种致嗅物质为研究对象,运用顶空-固相微萃取-气相色谱法(HS-SPME-GC)进行检测.结果表明:一年中A水厂原水GSM和MIB在4—5月和11—12月两个时段浓度均明显升高,最高浓度达到其嗅阈值的40~50倍.其他时段GSM均处于10 ng/L以下,MIB则在10~50 ng/L之间.通过比较两种嗅味物质浓度变化得出:MIB为A水厂水源的主要致嗅物质;原水的水温和浊度对两种嗅味物质浓度变化影响具有协同作用;水厂净水工艺对GSM和MIB无明显的去除效果.利用BG11液体培养基对原水中的藻类进行培养后,发现优势藻种为浮丝藻,属于蓝藻门;GSM、MIB浓度从最初的10 ng/L以下分别升高到28 ng/L和1 317 ng/L
Abstract:
In order to explore the sources and variations of odor substances in a water plant of Northwest China, and to solve the odor problem of drinking water, a water plant in a city of Northwest China was selected as monitor object, using the method of headspace -solid phase microextraction-gas chromatography to do the detection. As a result, the concentration of GSM and MIB in raw water of the water plant significantly increased between in the April and May and also between November and December in a same year . The highest concentrations of both materials are 40~50 times when they are mentioned to each corresponding threshold odor number . At other stages, the concentration of GSM is under 10 ng/L, while MIB is in 10~50 ng/L. Through comparison of these two odor materials, MIB becomes the main odor substance in raw water of the water plant . The water temperature and turbidity have a synergistic effect to the concentration of GSM and MIB . The traditional water treatment process is no use for T & O compounds removal . At the same time, BG11 liquid medium was used to cultivate algae in the raw water in June 25, and analysis on the change of algae and the concentrations of GSM and MIB were carried out . Results showed that dominant algae becomes phormidium tenue, an algae that belongs to cyanobacteria. The concentration of GSM and MIB increases from under 10 ng/L rise to 28 ng/L and 1 317 ng/L respectively

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2016-03-16修改稿日期:2017-07-15
基金项目:陕西青年科技新星计划(2014KJXX-66); 教育部博士点基金(20106120120014);陕西省重大科技成果转化引导专项(2016KTCG01-17)
第一作者:王文东(1980-),男,博士,副教授,主要研究方向为水处理理论与技术.E-mail:wdwang_xauat@hotmail.com
更新日期/Last Update: 2017-09-11