深圳市道路扬尘排放因子研究
Emission Factor of Paved Road Fugitive Dust Sources in Shenzhen
黄晓波 1刘冠伦 1梁永贤 1颜敏1
作者信息
- 1. 深圳市环境科学研究院,广东 深圳 518000
- 折叠
摘要
本研究通过资料调研、实地调查、尘负荷测试、模型估算等方法,获取了深圳市尘负荷和PM10、PM2.5排放因子,为排放清单建立提供了基础数据,也为大气环境精细化治理提供了支撑.研究发现:(1)深圳市各级道路尘负荷在0.21～0.58 g/m2之间,PM10排放因子在0.19～0.47 g/VKT之间,PM2.5排放因子在0.05～0.11 g/VKT之间,均呈"次干道＜快速路＜主干道＜支路"趋势.(2)采用沥青作为铺设材料的道路和路面完好的道路尘负荷较小,建议采用沥青作为道路铺设材料,并强化道路养护,以减少道路尘负荷、削减道路扬尘排放.(3)不同城市之间道路尘负荷和PM10、PM2.5排放因子差异较为显著,有条件的城市应开展本地化测试工作,为排放清单开发提供更可靠的基础数据.
Abstract
In this study,the dust load and emission factors of PM10 and PM2.5 in Shenzhen were obtained through data research,field research,dust load testing,and model estimation,which provided basic data for emission inventory,and also supported the refined management of the atmospheric environment.It is found that:(1)the dust load of roads at all levels in Shenzhen ranges from 0.21 g/m2 to 0.58 g/m2,the emission factor of PM10 ranges from 0.19 g/VKT to 0.47 g/VKT,and the emission factor of PM2.5 ranges from 0.05 g/VKT to 0.11 g/VKT,with the trend of"secondary road＜expressway＜main road＜branch road".(2)Roads with asphalt as paving material and roads with intact pavement have smaller dust loads.It is recommended that asphalt be used as paving material and road maintenance be strengthened in order to reduce the road dust loads and road dust emissions.(3)The differences in road dust load and emission factors of PM10 and PM2.5 between different cities are relatively significant,so cities should carry out localization testing to provide more reliable basic data for emission inventories.
关键词
道路扬尘/尘负荷/排放因子/PM10/PM2.5/深圳市Key words
road fugitive dust/dust load/emission factors/PM10/PM2.5/Shenzhen引用本文复制引用
出版年
2024
NETL
NSTL
万方数据