[1]刘安,洪念,欧冠廷,等.道路颗粒理化性质对苯系物累积的影响[J].深圳大学学报理工版,2019,36(6):661-666.[doi:10.3724/SP.J.1249.2019.06661]
 LIU An,HONG Nian,OU Guanting,et al.Effect of physico-chemical properties of road deposit sediments on BTEX accumulation[J].Journal of Shenzhen University Science and Engineering,2019,36(6):661-666.[doi:10.3724/SP.J.1249.2019.06661]
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道路颗粒理化性质对苯系物累积的影响()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第36卷
期数:
2019年第6期
页码:
661-666
栏目:
化学与化工
出版日期:
2019-11-20

文章信息/Info

Title:
Effect of physico-chemical properties of road deposit sediments on BTEX accumulation
文章编号:
201906010
作者:
刘安12洪念12欧冠廷1钟杰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 OU Guanting1 ZHONG Jie1 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:
环境化学道路颗粒苯系物累积负荷理化性质雨水回用
Keywords:
environmental chemistry road deposit sediment BTEXs build-up load physico-chemical property stormwater reuse
分类号:
X131.2
DOI:
10.3724/SP.J.1249.2019.06661
文献标志码:
A
摘要:
为研究城市道路路面常见苯系物苯(benzene)、甲苯(toluene)、乙苯(ethylbenzene)和二甲苯(xylene)(简称BTEX)的累积和道路颗粒理化性质对BTEX累积影响,选择中国深圳市龙岗区横岗街道典型城市功能区(商业区、工业区和居民区)、路段类型(普通路段和十字路口)共17条典型道路,利用真空干湿交替采集法对路面累积颗粒样品进行采样,对采集到样品的BTEX用气相色谱-质谱联用仪进行检测,分析路面颗粒的理化性质如粒径分布、矿物质质量分数和化学需氧量(chemical oxygen demand, COD),并采用主成分分析法系统探索颗粒理化性质对苯系物累积分布的影响.研究结果发现,在BTEX粒径<150 μm颗粒上的累积负荷均比粒径>150 μm颗粒的高;各粒径的颗粒中石英是最主要的矿物质;细颗粒中COD负荷远高于粗颗粒;块铝磷石可能是BTEX在道路上累积的重要载体.该研究可为保障雨水回用安全和保护城市水环境提供理论支持.
Abstract:
Few studies have investigated on accumulation of benzene series pollutants (benzene, toluene, ethylbenzene and xylene, BTEX) on urban road surfaces as well as the relationship between BTEX accumulation and physio-chemical properties of road deposit sediment particles. In this paper, seventeen typical urban road sites in Henggang Street of Longgang District, Shenzhen city, were selected to analyze BTEX loads. These selected road sites covered different urban functional districts (commercial, industrial and residential) and different road types (common roads and road junctions). The accumulated particle samples were collected on the selected roads using a dry and wet vacuuming method and these samples were tested for BTEXs by a gas chromatography-mass spectrometer. The physico-chemical properties of particles such as particle size distribution, mineral content and chemical oxygen demand (COD) were tested. The effect of the cumulative load of BTEX particles on physical and chemical properties of particles was analyzed by using principal component analysis (PCA).The results indicate that build-up loads of BTEXs with particles size <150 μm are higher than those of BTEX particles with particle size >150 μm; quartz is the main mineral in all particles with different particle sizes; the COD loads attached on fine particles are much higher than those on coarse particles; berlinite could be an important carrier of BTEXs on road surfaces. These results can provide useful insights to ensure stormwater reuse safety and safeguard urban water environment.

参考文献/References:

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备注/Memo

备注/Memo:
Received:2018-06-07;Accepted:2018-08-06
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 (ZDSYS201606061530 079); Student Innovation Development Foundation of Shenzhen University (2017282)
Corresponding author:Professor YANG Bo. E-mail: boyang@szu.edu.cn
Citation:LIU An,HONG Nian,OU Guanting,et al.Effect of physico-chemical properties of road deposit sediments on BTEX accumulation[J]. Journal of Shenzhen University Science and Engineering, 2019, 36(6): 661-666.(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—),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—),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,欧冠廷,等.道路颗粒理化性质对苯系物累积的影响[J]. 深圳大学学报理工版,2019,36(6):661-666.
更新日期/Last Update: 2019-11-30