在印度的一座煤矿城市使用模糊的AHP方法分配VOC源,反应性,二次转换,以及它们的优先级
Nidhi Malik1, Vivek Singh1, Krishan Kumar2
1Department of Environmental Science and Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, 826004, India.
Environmental science and pollution research international
|March 13, 2024
概括
丹巴德的空气质量受到芳香挥发性有机化合物 (VOC) 的影响,其中烯和烯是最常见的. 基于反应性的策略对于管理VOCs至关重要,因为它们具有很高的臭氧形成潜力.
科学领域:
- 环境化学环境化学
- 大气科学 大气科学
- 空气质量监测 空气质量监测
背景情况:
- 丹巴德是一个煤矿和工业中心,面临着严重的空气质量挑战.
- 挥发性有机化合物 (VOC) 是具有不同来源和影响的关键空气污染物.
- 了解VOC的化学反应性对于有效控制空气污染至关重要.
研究的目的:
- 通过测量芳香和化VOC来评估丹巴德功能区的空气质量.
- 进行挥发性有机化合物的来源分配并评估它们的化学反应性 (OH基损失率,臭氧形成潜力,二次有机气溶潜力).
- 通过模糊分析层次过程 (F-AHP) 优先考虑VOCs进行监管.
主要方法:
- 气相色谱用于VOC测量.
- 源分配的正矩阵因子化 (PMF) 模型.
- 模糊分析层次过程 (F-AHP) 用于VOC优先排序.
主要成果:
- 在不同区域和季节,烯和烯是度最高的VOC.
- 确定了四个主要的VOC来源:混合交通废气 (35%),燃煤 (30%),工业 (26%),和溶剂使用 (9%).
- 与机构区相比,工业和交通区的OH基损失和二次有机气溶潜力显著更高.
- 芳香型的VOC主导形成臭氧的潜力 (97%);一些度低的VOC具有高反应性.
结论:
- 在丹巴德的功能区,VOC度和反应性各不相同.
- 基于反应性的VOC管理策略是必不可少的,补充基于度的方法.
- F-AHP方法有效地确定了政策制定的优先级VOC,解决了数据缺口和缺乏标准.
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