[1]刘安,洪念,钟杰,等.城市道路苯系物累积的时空分布规律解析[J].深圳大学学报理工版,2018,35(6):590-596.[doi:10.3724/SP.J.1249.2018.06590]
 LIU An,HONG Nian,ZHONG Jie,et al.Temporal and spatial distributions of benzene series pollutants build-up on urban road surfaces[J].Journal of Shenzhen University Science and Engineering,2018,35(6):590-596.[doi:10.3724/SP.J.1249.2018.06590]
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城市道路苯系物累积的时空分布规律解析()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第35卷
期数:
2018年第6期
页码:
590-596
栏目:
【环境与能源】
出版日期:
2018-11-16

文章信息/Info

Title:
Temporal and spatial distributions of benzene series pollutants build-up on urban road surfaces
文章编号:
201806006
作者:
刘安12洪念12钟杰1欧冠廷1杨波12
1) 深圳大学化学与环境工程学院,广东深圳 518060
2) 深圳市环境化学与生态修复重点实验室,广东深圳 518060
Author(s):
LIU An12 HONG Nian12 ZHONG Jie1 OU Guanting1 and YANG Bo12
1) College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R.China
2) Shenzhen Key Laboratory of Environmental Chemistry and Ecological Remediation, Shenzhen 518060, Guangdong Province, P.R.China
关键词:
环境化学道路雨水径流苯系物累积负荷时空分布规律雨水回用
Keywords:
environmental chemistry rainwater runoff BTEXs build-up loads temporal and spatial distributionrainwater reuse
分类号:
X 131.2
DOI:
10.3724/SP.J.1249.2018.06590
文献标志码:
A
摘要:
以深圳市龙岗区横岗街道为研究对象,研究道路雨水的安全回收利用问题.选择典型城市功能区(商业区、工业区和居民区)、路段类型(普通路段和十字路口)以及3个加油站路段共计20个采样道路,利用真空干湿交替采集法,在春夏秋冬4个季节进行道路常见苯系物苯(benzene)、甲苯(toluene)、乙苯(ethylbenzene)及二甲苯(xylenes)(BTEX)累积样品的采样,采集到的样品用气相色谱-质谱联用仪进行苯系物的检测,对不同季节和路段类型的BTEX累积负荷进行比较,并通过聚类分析和主成分分析法解析道路交通和周边功能区特征对BTEX累积分布的影响.研究表明,对深圳城市道路BTEX来说,甲苯的平均累积负荷最高,随后依次为邻二甲苯、间二甲苯、乙苯、苯乙烯、对二甲苯和苯.从时间分布规律来看,冬季BTEX累积负荷最高,夏季最低;从空间分布来看,加油站路段的BTEX年平均累积负荷最高,普通路段与十字路口段的BTEX年平均累积负荷相似;从来源上看,苯、甲苯、乙苯和苯乙烯主要源于工业生产活动,而二甲苯主要源于道路交通活动.该研究结果可用于预测道路雨水中BTEX污染的“热点”时段和路段,揭示受BTEX污染的雨水径流水质特性,为道路雨水回用安全提供数据和理论支持.
Abstract:
This study selected twenty road sites in Henggang Street of Longgang District, Shenzhen to investigate benzene series pollutants (benzene,toluene,ethylbenzene,and xylenes, BTEX) build-up characteristics on road surfaces in order to provide useful insights for ensuring urban road rainwater reuse safety. These selected road sites cover different land uses (commercial, industrial and residential), different road types (common roads and road junctions) and roads close to petrol stations. The build-up samples were collected on the selected roads using a vacuum dry-wet alternate sampling method in spring, summer, autumn and winter, respectively. Each sample was tested for BTEX by a gas chromatography-mass spectrometer. The BTEX build-up in different seasons and road sections were compared and the effects of traffic and land use characteristics on BTEX build-up on road surfaces were investigated by using hierarchical cluster analysis and principal component analysis. The results show that the average cumulative load of toluene is the highest, followed by o-xylene, m-xylene, ethylbenzene, styrene, p-xylene and benzene. In terms of temporal distribution, the BTEX loads are the highest in winter and the lowest in autumn. In the case of spatial distribution, the roads close to petrol stations have the highest BTEX loads while common roads and junction roads have similar load levels. In terms of source tracking, benzene, ethylbenzene, toluene and styrene mainly come from industrial production activities while xylenes primarily comes from traffic activities. These results can predict the temporal and spatial “hot-spots” of BTEX polluted rainwater runoff and indicate the BTEX polluted rainwater characteristics.

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备注/Memo

备注/Memo:
Received:2018-06-07;Accepted:2018-08-10
Foundation:National Natural Science Foundation of China (41601510, 21806110); National Science Foundation for Post-doctoral Scientists of China (2017M622791); Shenzhen Science and Technology Research Foundation (ZDSYS201606061530079); Student Innovation Development Foundation of Shenzhen University (2017282)
Corresponding author:Professor YANG Bo. E-mail: boyang@szu.edu.cn
Citation:LIU An,HONG Nian,ZHONG Jie,et al.Temporal and spatial distributions of benzene series pollutants build-up on urban road surfaces[J]. Journal of Shenzhen University Science and Engineering, 2018, 35(6): 590-596.(in Chinese)
基金项目:国家自然科学基金资助项目(41601510, 21806110); 国家博士后基金资助项目(2017M622791);深圳市科技计划资助项目(ZDSYS201606061530079) ;深圳大学学生创新发展基金基础资助项目 (2017282)
作者简介:刘安(1983—),女,深圳大学副研究员、博士.研究方向:城市道路面源污染.E-mail:liuan@szu.edu.cn
洪念(1988—),男,深圳大学博士后研究人员. 研究方向:城市道路雨水模拟. E-mail: nianhong@szu.edu.cn
刘安、洪念为共同第一作者.
引文:刘安,洪念,钟杰,等.城市道路苯系物累积的时空分布规律[J]. 深圳大学学报理工版,2018,35(6):590-596.
更新日期/Last Update: 2018-11-30