工业部门污染物治理协同控制温室气体效应评价——基于重庆市的实证分析

doi:10.12006/j.issn.1673-1719.2020.212

气候变化研究进展 ›› 2021, Vol. 17 ›› Issue (3): 296-304.doi: 10.12006/j.issn.1673-1719.2020.212

• 减污降碳协同增效专栏 • 上一篇下一篇

工业部门污染物治理协同控制温室气体效应评价——基于重庆市的实证分析

王敏¹^,²(), 冯相昭¹^,²(), 杜晓林¹, 吴莉萍³, 赵梦雪¹, 王鹏¹^,², 安祺¹

1 生态环境部环境与经济政策研究中心能源环境政策研究部,北京 100029
2 生态环境部环境与经济政策研究中心战略规划与区域发展研究中心,北京 100029
3 重庆市环境科学研究院,重庆 400020

收稿日期:2020-09-14 修回日期:2020-12-20 出版日期:2021-05-30 发布日期:2021-06-01
通讯作者: 冯相昭
作者简介:王敏,女,副研究员, wangmin8556@126.com
基金资助:
应对气候变化政策研究与能力建设(原生态环境部科技标准司财政预算项目)

Evaluation of co-controlling GHGs from pollutant reduction facilities in the industrial sectors, empirical analysis based on data in Chongqing city

WANG Min¹^,²(), FENG Xiang-Zhao¹^,²(), DU Xiao-Lin¹, WU Li-Ping³, ZHAO Meng-Xue¹, WANG Peng¹^,², AN Qi¹

1 Department of Energy and Environmental Policy Research, Policy Research Center for Environment and Economy, Ministry of Ecology and Environment of the People’s Republic of China, Beijing 100029, China
2 Research Center for Environmental & Ecology Strategic Planning and Regional Development, Policy Research Center for Environment and Economy, Ministry of Ecology and Environment of the People’s Republic of China, Beijing 100029, China
3 Chongqing Academy of Environmental Protection Sciences, Chongqing 400020, China

Received:2020-09-14 Revised:2020-12-20 Online:2021-05-30 Published:2021-06-01
Contact: FENG Xiang-Zhao

摘要/Abstract

摘要：

以高能耗为主要特征的工业部门是大气污染物和温室气体的重要排放源。为推动协同管控,文中结合生态环境部在重庆市组织开展的试点工作,对工业企业NOx污染治理协同控制温室气体的效应进行了量化分析。结果表明,以末端治理为手段的NOx治理措施协同控制温室气体的效果为负,即工业企业去除1 t NOx会直接或间接增加CO₂排放1.811 t,采用SNCR技术且选择氨水等非尿素类脱硝剂有助于减少工艺过程和电力间接CO₂排放。2017年工业企业NOx减排导致CO₂排放增加52.57万t,占重庆市能源活动CO₂排放总量的0.3%。电力碳排放因子降低1%和降低5%情景下,NOx减排的总协同度将分别提高0.9%和4.3%,尤以水泥制造业的协同效果改善最明显。减少尿素使用和提高电力低碳化程度有助于降低工业领域NOx减排对CO₂排放的负协同效果。

关键词: 工业企业, 大气污染物, NOx, 温室气体, 协同控制

Abstract:

Industrial sectors characterized by high energy consumption are considered as important sources of atmospheric pollutants and greenhouse gases (GHGs). In order to facilitate the integrated management, this paper combined with the practice in the industrial sectors in Chongqing implemented by Ministry of Ecology and Environment, took NOx as a case pollutant to calculate and analyze the synergy effect between NOx removal and GHGs emissions in the industrial sectors. The results are as follows. The effect of NOx reduction by applying end-of pipe technology is negative to control GHGs, that is, the removal of 1 t NOx in the industrial enterprises will directly or indirectly increase CO₂ emissions by 1.811 t. The adoption of SNCR technology and the selection of ammonia and other non-urea denitration agents can help to reduce indirect CO₂ emissions from the process and electricity. In 2017, the reduction of NOx in Chongqing’s industrial enterprises increased CO₂ emissions by 525.7 kt, accounting for 0.3% of Chongqing’s total CO₂ emissions from energy activities. If the power emission factor is reduced by 1% or 5%, the synergetic degree of NOx reduction towards GHGs would be raised by 0.9% or 4.3%, respectively, and the synergistic effect of cement manufacturing is improved the most. It is essential to reduce the negative synergy effect of NOx removal technology by decreasing the use of urea and promoting the development of low carbon power.

Key words: Industrial enterprises, Air pollutants, NOx, Greenhouse gas, Co-control

王敏, 冯相昭, 杜晓林, 吴莉萍, 赵梦雪, 王鹏, 安祺. 工业部门污染物治理协同控制温室气体效应评价——基于重庆市的实证分析[J]. 气候变化研究进展, 2021, 17(3): 296-304.

WANG Min, FENG Xiang-Zhao, DU Xiao-Lin, WU Li-Ping, ZHAO Meng-Xue, WANG Peng, AN Qi. Evaluation of co-controlling GHGs from pollutant reduction facilities in the industrial sectors, empirical analysis based on data in Chongqing city[J]. Climate Change Research, 2021, 17(3): 296-304.

图/表 10

表1 分行业样本企业基本情况

Table 1 Basic information of sample enterprises by sector

表2 分工艺样本企业基本情况

Table 2 Basic information of sample enterprises by separate treatment process

表3 分行业类别NOx去除量及脱硝剂和电力消耗

Table 3 NOx removal amount, denitration agent and power consumption by sector

图1 分行业类别CO2排放量

Fig. 1 CO2 emissions by sector

图2 分行业类别NOx去除协同控制温室气体的效果

Fig. 2 The synergistic effect of NOx removal by sector on greenhouse gas control

表4 分治理工艺NOx去除量及脱硝剂和电力消耗

Table 4 NOx removal amount, denitration agent and power consumption by separate treatment process

图3 分治理工艺CO2排放量

Fig. 3 CO2 emission by separate treatment process

图4 分治理工艺NOx去除协同控制温室气体的效应

Fig. 4 The synergistic effect of NOx removal by separate treatment process on greenhouse gas control

表5 基于电力碳排放因子的分行业类别协同度情景分析

Table 5 Scenario analysis of synergy degree by sector based on power carbon emission factors

表6 基于电力碳排放因子的分治理工艺协同度情景分析

Table 6 Scenario analysis of synergy degree by separate treatment process based on power carbon emission factor

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工业部门污染物治理协同控制温室气体效应评价——基于重庆市的实证分析

Evaluation of co-controlling GHGs from pollutant reduction facilities in the industrial sectors, empirical analysis based on data in Chongqing city

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