| 基于PMF量化工业排放对大气挥发性有机物(VOCs)的影响:以南京市江北工业区为例 |
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| 引用本文： | 胡崑,王鸣,郑军,王红丽,卢兴东,景盛翱,陈超.基于PMF量化工业排放对大气挥发性有机物(VOCs)的影响:以南京市江北工业区为例[J].环境科学,2018,39(2):493-501. |
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| 作者姓名： | 胡崑 王鸣 郑军 王红丽 卢兴东 景盛翱 陈超 |
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| 作者单位： | 南京信息工程大学环境科学与工程学院, 南京 210044,南京信息工程大学环境科学与工程学院, 南京 210044;江苏省大气环境与装备技术协同创新中心, 南京 210044,南京信息工程大学环境科学与工程学院, 南京 210044;江苏省大气环境与装备技术协同创新中心, 南京 210044,上海市环境科学研究院, 国家环境保护城市大气复合污染成因与防治重点实验室, 上海 200233,南京信息工程大学环境科学与工程学院, 南京 210044;南京科略环境科技有限责任公司, 南京 211800,上海市环境科学研究院, 国家环境保护城市大气复合污染成因与防治重点实验室, 上海 200233,杭州市环境监测中心站, 杭州 310007 |
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| 基金项目： | 国家自然科学基金项目（41505113）；江苏省自然科学基金项目（BK20150896）；上海市科学技术委员会科研计划项目（16DZ1204606）；国家环境保护城市大气复合污染成因与防治重点实验室开放课题项目（CX201510（C）） |
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| 摘 要： | 挥发性有机物(VOCs)在臭氧(O3)和二次有机气溶胶(SOA)生成中起着关键作用.南京市江北地区工业密集,为评估工业排放对大气VOCs的影响,本研究于2017年3月在工业区受体点南京信息工程大学(南信大)开展了为期近1个月的VOCs采样和测量.监测数据显示南信大站点大气VOCs浓度波动大,范围(体积分数)在10.3×10-9~200.5×10-9之间,烯烃、芳香烃和卤代烃等组分(例如:乙烯、丙烯、苯、苯乙烯、二氯甲烷等)存在明显的异常高值.利用正交矩阵因子模型(PMF)对VOCs进行来源解析,结果显示在观测期间与工业排放相关源的平均贡献为50.0%,其中石化源、化工源以及涂料和溶剂使用源的贡献分别为14.9%、19.3%和15.8%.在VOCs高污染时段,与工业排放相关源的占比高达74.9%.进一步结合风速和风向数据,确定了不同类型工业源的主导方位,追溯排放源的潜在位置.
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| 关 键 词： | 挥发性有机物 工业排放 来源解析 正交矩阵因子分析 南京 |
| 收稿时间： | 2017/8/31 0:00:00 |
| 修稿时间： | 2017/11/5 0:00:00 |
Quantification of the Influence of Industrial Emissions on Volatile Organic Compounds (VOCs) Using PMF Model: A Case Study of Jiangbei Industrial Zone in Nanjing |
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| HU Kun,WANG Ming,ZHENG Jun,WANG Hong-li,LU Xing-dong,JING Sheng-ao and CHEN Chao.Quantification of the Influence of Industrial Emissions on Volatile Organic Compounds (VOCs) Using PMF Model: A Case Study of Jiangbei Industrial Zone in Nanjing[J].Chinese Journal of Environmental Science,2018,39(2):493-501. |
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| Authors: | HU Kun WANG Ming ZHENG Jun WANG Hong-li LU Xing-dong JING Sheng-ao and CHEN Chao |
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| Institution: | College of Environment Science and Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China,College of Environment Science and Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China;Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology(CICAEET), Nanjing 210044, China,College of Environment Science and Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China;Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology(CICAEET), Nanjing 210044, China,State Environmental Protection Key Laboratory of Formation and Prevention of the Urban Air Complex, Shanghai Academy of Environmental Sciences, Shanghai 200233, China,College of Environment Science and Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China;Nanjing Intelligent Environmental Sci-Tech Co., Ltd., Nanjing 211800, China,State Environmental Protection Key Laboratory of Formation and Prevention of the Urban Air Complex, Shanghai Academy of Environmental Sciences, Shanghai 200233, China and Hangzhou Environmental Monitoring Station, Hangzhou 310007, China |
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| Abstract: | Volatile organic compounds(VOCs)are important precursors of ozone and secondary organic aerosol. The effect of industrial emissions on ambient VOC concentrations in the Jiangbei Industrial Zone in Nanjing was evaluated using the ambient VOCs measurements taken at Nanjing University of Information Science and Technology (NUIST) during March 2017. The monitoring data showed that the sum of 92 measured VOCs (TVOCs) ranged from 10.3×10-9 to 200.5×10-9. Some VOC species, such as ethylene, propene, benzene, styrene, and dichloromethane had abnormally high values. Positive matrix factorization model (PMF) was used to identify the main sources of VOCs. The results showed that industrial emissions on average accounted for 50.0% of TVOCs, while petrochemical industry, chemical industry, and paints & solvents use accounted for 14.9%, 19.3% and 15.8%, respectively. During a VOC pollution episode, the contribution of industrial emissions reached 74.9%. The direction of industrial sources was determined by combining the wind speed and wind direction data. |
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| Keywords: | volatile organic compounds(VOCs) industrial emission source analysis PMF Nanjing |
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