丽水国家石化工业综合体中导致氧化潜能的 PM2.5 和气态污染物主要来源的识别：PMF 模型的启示

IF 4.2 2区环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES

Atmospheric Environment Pub Date : 2024-11-20 DOI:10.1016/j.atmosenv.2024.120943

Seoyeong Choe, Geun-Hye Yu, Myoungki Song, Sea-Ho Oh, Hajeong Jeon, Dong-Hoon Ko, Chaehyeong Park, Min-Suk Bae

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引用次数: 0

摘要

这项调查旨在通过采用源分配模式，确定丽水国家工业园区内 PM2.5 和各种气态污染物的特征和来源。在不同季节，使用石英和聚四氟乙烯过滤器每隔 3 小时采集一次 PM2.5 样品，并进行化学成分分析。记录的 PM2.5 平均浓度为 22.8 μg/m³，冬季浓度较高。污染源分析确定了 5 个 PM2.5 污染源，分别是导电率、铅、镍、铜和有机碳。气态污染物分为一氧化碳、二氧化碳、氯仿、异丙苯和ampamp；氯苯、二氯苯和车辆排放物。条件概率函数分析表明，各种污染源的流入方向主要受附近工业综合体的影响。PM2.5 的二硫苏糖醇测定-氧化电位归一化为 9,10-菲醌（QDTT-OP）表明，由于不完全燃烧过程，PM2.5 与主要排放源，特别是与氨基甲酸乙酯和铅有显著相关性。有效管理这些排放物对于降低与空气污染有关的健康风险至关重要。这项研究为制定旨在提高工业化地区空气质量和公众健康水平的战略提供了重要信息。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Identification of major sources of PM2.5 and gaseous pollutants contributing to oxidative potential in the Yeosu national petrochemical industrial complex: Insights from the PMF model

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Identification of major sources of PM2.5 and gaseous pollutants contributing to oxidative potential in the Yeosu national petrochemical industrial complex: Insights from the PMF model

This investigation seeks to characterize and pinpoint the sources of PM_2.5 and various gaseous pollutants within the Yeosu National Industrial Complex by employing the source apportionment model. PM_2.5 samples were gathered at 3-h intervals during various seasons using both quartz and Teflon filters, and subjected to chemical composition analysis. The mean PM_2.5 concentration was recorded at 22.8 μg/m³, with elevated levels observed during the winter. The source analysis delineated 5 p.m._2.5 sources, featuring combinations of EC, Pb, Ni, Cu, and OC. Gaseous pollutants were categorized into CO, CO₂, Chloroform, Isopropylbenzene & Chlorobenzene, Dichlorobenzene, and Vehicle emissions. Conditional Probability Functions analysis revealed various source inflow directions, predominantly influenced by the nearby industrial complex. The dithiothreitol assay-oxidative potential normalized to 9,10-phenanthrenequinone (QDTT-OP) of PM_2.5 demonstrated significant correlations with primary emission sources, particularly EC and Pb, due to incomplete combustion processes. Effectively managing these emissions is essential for mitigating health risks related to air pollution. This research offers crucial information for the formulation of strategies aimed at enhancing air quality and public health in industrialized regions.

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来源期刊

Atmospheric Environment 环境科学-环境科学

CiteScore

9.40

自引率

8.00%

发文量

458

审稿时长

53 days

期刊介绍： Atmospheric Environment has an open access mirror journal Atmospheric Environment: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. Atmospheric Environment is the international journal for scientists in different disciplines related to atmospheric composition and its impacts. The journal publishes scientific articles with atmospheric relevance of emissions and depositions of gaseous and particulate compounds, chemical processes and physical effects in the atmosphere, as well as impacts of the changing atmospheric composition on human health, air quality, climate change, and ecosystems.