石化企业挥发性有机物与环境空气中臭氧、二次有机气溶胶关系分析

doi:10.16085/j.issn.1000-6613.2017-1608

化工进展 ›› 2018, Vol. 37 ›› Issue (05): 2023-2028.DOI: 10.16085/j.issn.1000-6613.2017-1608

• 应用技术 • 上一篇

石化企业挥发性有机物与环境空气中臭氧、二次有机气溶胶关系分析

李石¹, 孙慧², 高少华³, 邹兵³, 路帅¹, 赵东风¹

1 中国石油大学(华东)化学工程学院, 山东青岛 266580;
2 青岛欧赛斯环境与安全技术有限责任公司, 山东青岛 266555;
3 中国石化青岛安全工程研究院, 山东青岛 266000

收稿日期:2017-08-01 修回日期:2017-09-17 出版日期:2018-05-05 发布日期:2018-05-05
通讯作者: 赵东风,博士,教授,主要从事大气污染与防治、水污染的防治及回用等工作。
作者简介:李石(1978-),男,博士,副教授,从事石化企业"三废"防治技术研究。
基金资助:
山东省自然科学基金（ZR201702150018）、中央高校基本科研基金（17CX05017）、青岛开发区重点科技发展计划（KJ1-58）及中石化集团项目（CLY15074）。

Relationship analysis between VOCs from petrochemical enterprise and O₃,SOA in the air

LI Shi¹, SUN Hui², GAO Shaohua³, ZOU Bing³, LU Shuai¹, ZHAO Dongfeng¹

1 College of Chemical Engineering, China University of Petroleum(East China), Qingdao 266580, Shandong, China;
2 Qingdao Oasis Environmental and Safety Technology Co., Ltd., Qingdao 266555, Shandong, China;
3 Sinopec Research Institute of Safety Engineering, Qingdao 266000, Shandong, China

Received:2017-08-01 Revised:2017-09-17 Online:2018-05-05 Published:2018-05-05

摘要/Abstract

摘要： 近年来，挥发性有机物（VOCs）对于我国环境空气质量的影响成为人们关注的热点问题之一，但针对石化企业VOCs排放组分及不同组分对周边环境空气如何产生影响的研究却少有报道。本文以我国某典型石化企业为研究对象，在其正常工况运行条件下，在其厂界周围选取5个监测点位，开展了7天的VOCs采样与监测工作。通过对采集VOCs样品的定性定量分析表明，本次研究中检测出的VOCs的浓度范围为11.5～148.8μg/m³，VOCs组分种类主要为烷烃、烯烃和芳香烃，其中烷烃占60%以上，是该石化企业排放VOCs的主要组分。进一步通过对VOCs各组分的臭氧（O₃）及二次有机气溶胶（SOA）的生成潜势进行估算，结果表明：烯烃是该石化企业排放的VOCs组分中对O₃贡献的关键前体物质，贡献率为50%～70%左右；芳香烃是SOA的主要前体物质，贡献率达80%以上，VOCs全部组分对SOA的贡献量为2.5046μg/m³。本研究对石化企业VOCs的防控具有一定借鉴意义。

关键词: 有机化合物, 污染, 臭氧生成潜势, 二次有机气溶胶

Abstract: Recently,the influence of air quality from volatile organic compounds (VOCs) is one of the people's concerning topics. However,the researches of constituents and the influences on ambient air of VOCs from petrochemical enterprise are very less. In this paper,a typical petrochemical enterprise in China was selected and five monitoring sites were arranged at their boundaries. Under the normal process conditions,the VOCs samples were collected and analyzed for seven days. The qualitative and quantitative results indicated that the concentration of VOCs was in the range of 11.5-148.8μg/m³,including alkanes,olefins,and aromatics. The alkanes occupied for more than 60%,which were the main components of VOCs. Furthermore,by the estimation of generation potentials of ozone and secondary organic aerosol (SOA) from different VOCs constituents,the results indicated that olefins in VOCs were the key ozone precursors,and the contribution rate was about 50%-70%. Aromatics in VOCs were the main precursors to SOA and the contribution rate was more than 80%. The contribution rate of VOCs was 2.5046μg/m³. By this study,there are some values to the prevention and control of VOCs from petrochemical enterprise.

Key words: organic compounds, pollution, ozone formation potential, secondary organic aerosol

中图分类号:

李石, 孙慧, 高少华, 邹兵, 路帅, 赵东风. 石化企业挥发性有机物与环境空气中臭氧、二次有机气溶胶关系分析[J]. 化工进展, 2018, 37(05): 2023-2028.

LI Shi, SUN Hui, GAO Shaohua, ZOU Bing, LU Shuai, ZHAO Dongfeng. Relationship analysis between VOCs from petrochemical enterprise and O₃,SOA in the air[J]. Chemical Industry and Engineering Progress, 2018, 37(05): 2023-2028.

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石化企业挥发性有机物与环境空气中臭氧、二次有机气溶胶关系分析

Relationship analysis between VOCs from petrochemical enterprise and O₃,SOA in the air

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石化企业挥发性有机物与环境空气中臭氧、二次有机气溶胶关系分析

Relationship analysis between VOCs from petrochemical enterprise and O3,SOA in the air

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Relationship analysis between VOCs from petrochemical enterprise and O₃,SOA in the air