根据源排放和反应性,确定中国人为VOC排放的最佳控制策略
Ruipeng Wang1, Xiaoqi Wang1, Shuiyuan Cheng1
1Key Laboratory of Beijing on Regional Air Pollution Control, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China.
Journal of environmental sciences (China)
|November 3, 2023
概括
减少挥发性有机化合物 (VOC) 排放是解决中国问题的关键.
科学领域:
- 环境科学 环境科学
- 大气化学 大气化学
- 控制污染 控制污染 控制污染
背景情况:
- 中国的区域PM2.5和O3污染是一个复杂的问题.
- 挥发性有机化合物 (VOC) 是二次污染物的重要前体.
- 需要有效的VOC排放控制策略来改善空气质量.
研究的目的:
- 估计2018年中国人为VOC排放量库存.
- 分析各种VOC来源的臭氧形成潜力 (OFP) 和二次有机气溶形成潜力 (SOAFP).
- 为减少挥发性有机物排放提出优先控制路线.
主要方法:
- 编制一个含有129个来源的VOC源资料数据库.
- 局部检测和利用最新的研究成果.
- 排放分布,OFP和SOAFP的分析.
主要成果:
- 在2018年,中国的人类造成的VOC总排放量达到27,211.8 Gg.
- 主要贡献者包括小型乘用车,工业防护涂层,生物质燃烧和重型卡车.
- 工业防护涂层,小型乘用车和生物质燃烧对OFP和SOAFP有很大的贡献.
结论:
- 针对特定的VOC源进行有针对性的控制对于有效减少污染至关重要.
- 应优先考虑工业防护涂料,小型乘用车,重型卡车和其他已确定来源.
- 考虑到区域差异和排放特征的适应性控制策略对于最大限度地提高环境效益至关重要.
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