中国钢铁行业排放清单及大气环境影响研究

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摘要

自下而上建立2018年中国高分辨率钢铁企业大气污染物排放清单（HSEC，2018），定量模拟中国钢铁企业2018年和未来年情景下排放各种大气污染物对环境的影响情况.结果表明：2018年，中国钢铁行业共排放SO₂、NO_x、PM₁₀、PM_2.5、PCDD/Fs、VOCs、CO、BC、OC、EC、氟化物分别为29.02万t、66.57万t、28.73万t、11.69万t、2.24kg、89.21万t、4057.49万t、0.45万t、0.61万t、0.06万t、0.88万t，焦化、烧结、球团、高炉4个铁前工序是中国钢铁行业大气污染物主要排放环节，中国钢铁行业对各省份SO₂、NO_x、PM_2.5年均浓度贡献比例平均值分别为2.85%、3.37%、1.54%；未来年，中国钢铁企业SO₂、NO_x、PM₁₀排放量分别为4.94万t、7.58万t、4.11万t，分别下降了82.98%、88.61%、85.69%，中国钢铁行业对各省份SO₂、NO_x、PM_2.5年均浓度贡献比例平均值分别为0.31%、0.22%、0.02%.

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	汤铃
	贾敏
	伯鑫
	薛晓达
	郭静
	田军
	黄满堂
	王彤
	崔磊
	董广霞

关键词 ：排放清单, 钢铁, 大气污染, CAMx, PM_2.5

Abstract：

In this study, a high-resolution steelmaking plants emission inventory for China (HSEC, 2018) was established to quantitatively simulate the environmental impact of various atmospheric pollutants emitted by Chinese iron and steel plants in 2018 and in the future years. The results showed that in 2018, the total emissions of SO₂, NO_x, PM₁₀, PM_2.5, PCDD/Fs, VOCs, CO, BC, OC, EC and fluoride were 290.2kt, 665.7kt, 287.3kt, 116.9kt, 2.24kg, 892.1kt, 40,574.9kt, 4.5kt, 6.1kt, 0.6kt and 8.8kt, respectively. Coking, sintering, pelletizing and blast furnace are the primary emission sources in Chinese iron and steel industry. Furthermore, Chinese iron and steel industry contributed 2.85%, 3.37% and 1.54%, respectively, to the average annual concentrations of SO₂, NO_x and PM_2.5 in each province. In the future situation, the emissions of SO₂, NO_x and PM₁₀ from China's iron and steel plants will be 49.4kt, 75.8kt and 41.1kt respectively, decreasing by 82.98%, 88.61% and 85.69%, respectively. The corresponding contributions of Chinese iron and steel industry to the annual average concentration of SO₂, NO_x and PM_2.5 in each province will be 0.31%, 0.22% and 0.02% in this case, respectively.

Key words： emission inventory iron and steel air pollution CAMx PM_2.5

收稿日期: 2019-09-26

PACS:

X51

基金资助:

国家重点实验室开放基金资助课题（16K01ESPCT）；国家重点研发计划项目（2016YFC0208101）；大气重污染成因与治理攻关项目（DQGG0209-07、DQGG0304-07）；生态环境部环境工程评估中心创新科研项目（2019-10）

通讯作者: 伯鑫,高级工程师,boxinet@gmail.com;董广霞,正高级工程师,Donggx@cnemc.cn E-mail: boxinet@gmail.com;Donggx@cnemc.cn

作者简介: 汤铃(1983-),女,广西桂林人,教授,博士,主要研究领域为能源经济与管理.发表论文80余篇.

引用本文:

汤铃, 贾敏, 伯鑫, 薛晓达, 郭静, 田军, 黄满堂, 王彤, 崔磊, 董广霞. 中国钢铁行业排放清单及大气环境影响研究[J]. 中国环境科学, 2020, 40(4): 1493-1506. TANG Ling, JIA Min, BO Xin, XUE Xiao-da, GUO Jing, TIAN Jun, HUANG Man-tang, WANG Tong, CUI Lei, DONG Guang-xia. High resolution emission inventory and atmospheric environmental impact research in Chinese iron and steel industry. CHINA ENVIRONMENTAL SCIENCECE, 2020, 40(4): 1493-1506.

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http://www.zghjkx.com.cn/CN/ 或 http://www.zghjkx.com.cn/CN/Y2020/V40/I4/1493

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