来自中国北方平原典型工业的挥发性有机化合物:排放,空气污染贡献,健康风险和政策影响
Jiqi Zhu1, Shoujun Xia1, Hejingying Niu1
1School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, PR China.
Environment international
|July 13, 2025
概括
这项研究测量了中国的工业挥发性有机化合物 (VOC),揭示了各行业的排放,臭氧形成,健康风险和气候影响的显著差异. 石油和石化行业需要优先控制,以改善空气质量和健康.
科学领域:
- 环境科学 环境科学
- 大气化学 大气化学
- 工业生态学 工业生态学
背景情况:
- 挥发性有机化合物 (VOC) 是臭氧和二次有机气溶的关键前体,影响空气质量,健康和气候.
- 中国越来越关注挥发性有机化合物排放控制,因此需要考虑各种影响的特定行业战略.
研究的目的:
- 综合评估来自中国各个工业部门的挥发性有机化合物的影响.
- 根据排放特征,污染贡献,健康风险和气候变暖潜力,确定控制战略的优先产业和VOC.
主要方法:
- 在中国北方平原13个行业的28家企业的VOC排放现场采样.
- 利用权方法来整合和优先考虑工业部门对VOC的影响.
- 分析了臭氧形成潜力,二次有机气溶潜力,健康风险和温室气体影响.
主要成果:
- 石化和制药行业的VOC排放系数最高. 化学成分因行业而异 (例如,表面涂料中的化碳化合物,石化中的芳香物,制药中的OVOC).
- 表面涂层和有机化学过程具有较高的臭氧形成潜力,而石化芳香物则主导了二次有机气溶的形成. 树脂/塑料,制药和石油行业的健康风险显著.
- 石化行业的-12/11排放量对气候影响做出了重大贡献. 对值加权分析确定石油行业是控制的第一级优先事项.
结论:
- 特定行业的排放因子和控制策略对于有效的挥发性有机化合物管理至关重要.
- 解决空气质量,健康和气候问题需要综合政策,考虑到反应性,多污染物协同作用和特定行业风险.
- 优先考虑石油和石化等行业的控制措施,对于减轻工业VOC的综合影响至关重要.
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