郑昊天,赵斌,王书肖

• 1:清华大学环境学院
• 2:国家环境保护大气复合污染来源与控制重点实验室
• 3:美国太平洋西北国家实验室

摘要(Abstract)：

建立了我国2005—2017年钢铁和焦化行业基于点源的排放清单,利用WRF-CMAQ模式定量模拟了钢铁和焦化行业排放对各省份人口加权污染物浓度的影响。排放清单核算结果表明,2017年我国钢铁和焦化行业排放PM_(2.5)131万吨、SO_2 127万吨、NO_x 66万吨、VOCs(Volatile Organic Compounds)98万吨。2005—2017年,钢铁、焦化行业的SO_2和PM_(2.5)排放量先增后降,NO_x排放量持续增加,VOCs排放量先增加后略有下降。钢铁焦化行业对PM_(2.5)的一次排放量和浓度的贡献分别为17%和5%,对SO_2排放量和浓度的贡献分别为11%和5%,对NO_2排放量和浓度的贡献分别为3%和1%,对大部分地区臭氧影响较小。PM_(2.5)浓度受钢铁和焦化行业排放影响较大的区域为京津冀和长三角区域。考虑到其环境影响,今后应加强对钢铁和焦化行业的减排力度,特别是应加强对烧结机SO_2和颗粒物排放以及钢铁厂无组织颗粒物排放的控制。

关键词(KeyWords)： 钢铁;焦化;排放清单;空气质量模拟

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 郑昊天,赵斌,王书肖

DOI: 10.14068/j.ceia.2020.04.004

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