“2+26”城市秋冬季大气污染治理措施效果评估

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摘要针对京津冀及周边"2+26"城市秋冬季不同大气污染治理措施的减排量进行核算，结果表明，2017~2018年秋冬季"2+26"城市SO₂，NO_x，VOCs，PM_2.5和PM₁₀的总减排量分别为43.26，20.63，18.36，28.00和47.31万t，2018~2019年秋冬季"2+26"城市SO₂，NO_x，VOCs，PM_2.5和PM₁₀的总减排量分别为16.68，18.11，11.03，17.04和25.33万t.基于此，采用CAMx模型对各项措施的减排效果进行模拟评估，采取措施后，2017~2018年秋冬季"2+26"城市SO₂，NO_x，PM_2.5和PM₁₀浓度的平均下降量（下降率）分别为22.69μg/m³（42.67%），33.22μg/m³（37.81%），24.28μg/m³（22.58%）和31.26μg/m³（18.67%），2018~2019年秋冬季"2+26"城市SO₂，NO_x，PM_2.5和PM₁₀浓度的平均下降量（下降率）分别为9.36μg/m³（26.86%），25.73μg/m³（30.62%），16.38μg/m³（16.09%）和20.43μg/m³（12.33%）.2017~2018年秋冬季各项措施对PM_2.5浓度的平均减排效率排序依次为："散乱污"企业治理 > 交通运输结构调整 > 企业错峰生产 > 民用散煤替代 > 燃煤锅炉综合整治，2018~2019年秋冬季各项措施对PM_2.5浓度的平均减排效率排序依次为：重点行业升级改造 > 企业错峰生产 > "散乱污"企业治理 > 交通运输结构调整 > 民用散煤替代 > 燃煤锅炉综合整治.

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	李洋
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	杜谨宏
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	杜晓惠
	薛志钢
	孟凡
	柴发合

关键词 ： “2+26”城市, 空气质量模拟, PM_2.5, 减排效果评估

Abstract：Emission reductions from different air pollution control measures during autumn and winter seasons in "2+26" cities of Beijing-Tianjin-Hebei and its surrounding areas were calculated in this study. The results showed that total emission reductions of SO₂, NO_x, VOCs, PM_2.5, and PM₁₀ in "2+26" cities during autumn and winter seasons in 2017~2018 were 432.6, 206.3, 183.6, 280.0, and 473.1kilo-tons respectively, while those of which in 2018~2019 were 166.8, 181.1, 110.3, 170.4, and 253.3kilo-tons respectively. According to this, the effects of each measure were evaluated by the CAMx model. By implementing air pollution control measures, the simulated concentrations (percentages) of SO₂, NO_x, PM_2.5, and PM₁₀ in "2+26" cities during autumn and winter seasons in 2017~2018 decreased 22.69μg/m³ (42.67%), 33.22μg/m³ (37.81%), 24.28μg/m³ (22.58%) and 31.26μg/m³ (18.67%) respectively, while those of which in 2018~2019 decreased 9.36μg/m³ (26.86%), 25.73μg/m³ (30.62%), 16.38μg/m³ (16.09%) and 20.43μg/m³ (12.33%) respectively. The sequence of averaged reduction efficiency on PM_2.5 concentrations of each control measure during autumn and winter seasons in 2017~2018 was as follows:scattered and disqualified enterprises governance, transportation structural adjustment, industrial off-peak production, civil coal burning replacement, and coal-fired boiler renovation, and that of which in 2018~2019 was as follows:upgrading and transformation of key industries, industrial off-peak production, scattered and disqualified enterprises governance, transportation structural adjustment, civil coal burning replacement, and coal-fired boiler renovation.

Key words： 2+26 cities air quality simulation PM_2.5 emission reduction assessment

收稿日期: 2021-03-23

PACS:

X51

基金资助:国家重点研发计划（2018YFC0213505、2017YFC0213003，2016YFC0208905）

通讯作者: 唐伟,副研究员,tangwei@craes.org.cn E-mail: tangwei@craes.org.cn

作者简介: 李洋(1987-),男,河北秦皇岛人,助理研究员,硕士,主要从事空气质量模拟方面研究工作.发表论文9篇.

引用本文:

李洋, 唐伟, 杜谨宏, 张众志, 杜晓惠, 薛志钢, 孟凡, 柴发合. “2+26”城市秋冬季大气污染治理措施效果评估[J]. 中国环境科学, 2021, 41(10): 4484-4494. LI Yang, TANG Wei, DU Jin-hong, ZHANG Zhong-zhi, DU Xiao-hui, XUE Zhi-gang, MENG Fan, CHAI Fa-he. Assessment on air pollution control measures during autumn and winter seasons in “2+26” cities. CHINA ENVIRONMENTAL SCIENCECE, 2021, 41(10): 4484-4494.

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