合肥市工业园区秋季VOCs组分特征及其源解析

doi:10.3969/j.issn.1673-6141.2024.02.005

大气与环境光学学报 ›› 2024, Vol. ›› Issue (2): 185-198.doi: 10.3969/j.issn.1673-6141.2024.02.005

• 环境光学监测技术 • 上一篇

合肥市工业园区秋季VOCs组分特征及其源解析

孙喆 1, 刘书同 1, 张红 1*, 卫尤文 1, 汪水兵 1, 洪星园 1, 王馨琦 1, 钱黎明 2, 朱森 1

1 安徽省生态环境科学研究院, 安徽合肥 230071; 2 中科新天地 (合肥) 环保科技有限公司, 安徽合肥 230088

收稿日期:2022-09-16 修回日期:2022-11-17 出版日期:2024-03-28 发布日期:2024-04-18
通讯作者: E-mail: 602463559@qq.com E-mail:68456064@qq.com
作者简介:孙喆 (1992- ), 安徽贵池人, 硕士, 工程师, 主要从事大气与辐射环境监测及研究。E-mail: sunzhe920407@163.com
基金资助:
安徽省自然科学基金面上项目 (2108085MD138), 安徽省博士后研究基金资助项目 (2021B548)

Component characteristics and source analysis of VOCs in autumn in Hefei industrial park

SUN Zhe 1, LIU Shutong 1, ZHANG Hong 1*, WEI Youwen 1, WANG Shuibing 1, HONG Xingyuan 1, WANG Xinqi 1, QIAN Liming 2, ZHU Sen 1

1 Anhui Provincial Academy of Eco-Environmental Science Research, Hefei 230071, China; 2 Zhongke Xintiandi (Hefei) Environmental Protection Technology Co., Ltd, Hefei 230088, China

Received:2022-09-16 Revised:2022-11-17 Online:2024-03-28 Published:2024-04-18
Supported by:
General Project of Natural Science Foundation of Anhui Province;Anhui Province Postdoctoral Research Fund Project

摘要/Abstract

摘要： 随着合肥市经济的快速发展以及城镇化、工业化所带来的能源消费持续增长，以臭氧 (O3)、细颗粒物 (PM2.5) 为主的区域复合型大气污染问题日益凸显。为了解合肥市工业园区大气挥发性有机物 (VOCs) 污染特征及来源，于 2021 年9―11 月对合肥市某工业园区大气质量进行加强监测，对VOCs的组分特征、浓度水平、来源分析和反应活性等方面进行了分析。结果表明， VOCs平均体积分数φ(VOCs) 为 (40.64 ± 8.83) × 10-9，其中烷烃、含氧挥发性有机化合物 (OVOCs) 占比较高，分别为34.2%和26.3%。在一天中总挥发性有机化合物 (TVOCs) 浓度随时间呈典型的双峰型变化，在09：00 和19：00 达到峰值， 16：00―17：00 左右达到一天中最低值。本研究采用PMF模型对VOCs 进行源解析，解析结果显示机动车排放源 (25.7%)、工业排放源 (24.9%)、溶剂挥发源 (19.6%)、燃料挥发源 (18.6%) 和生物质燃烧排放源 (11.3%) 是观测期间VOCs的主要来源。VOCs臭氧生成潜势 (OFP) 为233.05 μg/m3，其中OVOCs贡献最大，占比 36.33%。

关键词: 合肥市, 挥发性有机物, 污染特征, 来源解析, 臭氧生成潜势

Abstract: With the rapid development of Hefei's economy and the continuous growth of energy consumption brought about by urbanization and industrialization, the regional composite air pollution dominated by ozone (O3) and fine particulate matter (PM2.5) is becoming increasingly prominent. In order to understand the pollution characteristics and sources of volatile organic compounds (VOCs) in the atmosphere of typical industrial park in Hefei City, China, strengthened monitoring was conducted on the atmospheric quality of a certain industrial park in Hefei City from September to November 2021, and the component characteristics, concentration level, source analysis and reaction activity of VOCs were analyzed. The results show that during the monitoring period, the average value of total volume [φ(VOCs)] was (40.64 ± 8.83) × 10-9, with alkanes and oxygenated volatile organic compounds (OVOCs) accounting for a relatively high proportion of 34.2% and 26.3%, respectively. The total volatile organic compounds (TVOCs) concentration showed a typical dual-peak pattern over time throughout a day, reaching the peak value at 9:00 and 19:00, and the lowest value around 16:00-17:00. This study used PMF model to analyze the sources of VOCs, and the analysis results showed that vehicle emission (25.7%), industrial emission (24.9%), solvents volatilization (19.6%), fuel volatilization (18.6%) and biomass burning emission (11.3%) were the main sources of VOCs during the observation. Ozone generation potential (OFP) of VOCs was 233.05 μg/m3, among which OVOCs contributed the most, accounting for 36.33%.

Key words: Hefei City, volatile organic compounds, pollution characteristics, source analysis, ozone formation potential

中图分类号:

X511

孙喆, 刘书同, 张红, 卫尤文, 汪水兵, 洪星园, 王馨琦, 钱黎明, 朱森 . 合肥市工业园区秋季VOCs组分特征及其源解析[J]. 大气与环境光学学报, 2024, (2): 185-198.

SUN Zhe , LIU Shutong , ZHANG Hong , WEI Youwen , WANG Shuibing , HONG Xingyuan , WANG Xinqi , QIAN Liming , ZHU Sen . Component characteristics and source analysis of VOCs in autumn in Hefei industrial park[J]. Journal of Atmospheric and Environmental Optics, 2024, (2): 185-198.

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合肥市工业园区秋季VOCs组分特征及其源解析

Component characteristics and source analysis of VOCs in autumn in Hefei industrial park

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