超低排放标准背景下生活垃圾焚烧烟气净化工艺的全球变暖潜势分析

魏军晓; 魏增; 张江伟; 张蕾; 刘建国; 李欢

doi:10.13205/j.hjgc.202607006

超低排放标准背景下生活垃圾焚烧烟气净化工艺的全球变暖潜势分析

doi: 10.13205/j.hjgc.202607006

魏军晓¹,
魏增¹,
张江伟¹,
张蕾²,
刘建国³,
李欢^2, ,

1. 广东海洋大学化学与环境学院, 广东湛江 524088;
2. 清华大学深圳国际研究生院, 广东深圳 518055;
3. 清华大学环境学院, 北京 100084

基金项目:

湛江市科学技术局（2024B01008）

详细信息

作者简介:
魏军晓（1988—），男，博士，讲师，主要从事固体废物处理与资源化研究。wei.junxiao@gdou.edu.cn

通讯作者:
李欢（1979—），男，副教授，主要从事固体废物处理与资源化研究。li.huan@sz.tsinghua.edu.cn

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出版历程
- 收稿日期: 2025-03-09
- 网络出版日期: 2026-09-01

Analysis of global warming potential of air pollution control processes in municipal solid waste incineration under ultra-low emission standards implementation

1. School of Chemistry and Environment, Guangdong Ocean University, Zhanjiang 524088, China;
2. Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China;
3. School of Environment, Tsinghua University, Beijing 100084, China

摘要

摘要: 研究旨在分析超低排放标准下城市生活垃圾（MSW）焚烧烟气净化工艺的全球变暖潜势（GWP）。选取了3种典型的烟气净化工艺：选择性非催化还原（SNCR）脱硝+半干法（SDS）脱酸+干法（DS）脱酸+活性炭喷射（ACI）+布袋除尘（FF）（APCD1）、SNCR+SDS+DS+ACI+FF+SCR+湿法（WS）脱酸（APCD2）和SNCR+SDS+DS+ACI+FF+WS+SCR（APCD3），并采用生命周期评价的思路对3种工艺的GWP进行评估。结果显示：在考虑电耗的情况下，APCD3的GWP最高，但在污染物控制方面表现最优。APCD1因NO _x 排放量相对最高，对GWP的贡献显著，其净化效果有待提升；而APCD2则存在资源消耗较高的问题。电力消耗是影响3种工艺GWP的主要因素，优化电力消耗和提升能源效率是降低GWP的关键措施。建议未来进一步研究MSW焚烧的CO₂减排策略，并采用高效脱硝工艺，在实现MSW焚烧厂推广超低排放的同时，向低碳排放转变。
- 生活垃圾焚烧 /
- 烟气净化 /
- 全球变暖潜势 /
- 生命周期评价 /
- 超低排放标准
Abstract: This study aims to analyze the global warming potential （GWP） of air pollution control devices （APCDs） in municipal solid waste （MSW） incineration under ultra-low emission standards implementation. Three typical APCD processes were selected： APCD1 （SNCR + SDS + DS + ACI + FF）， APCD2 （SNCR + SDS + DS + ACI + FF + SCR + WS）， and APCD3 （SNCR + SDS + DS + ACI + FF + WS + SCR） and a life cycle assessment （LCA） method was conducted for each. The results show that APCD3 has the highest GWP but achieves significantly lower pollutant emissions than APCD1 and APCD2. APCD1 requires technological improvements due to its limited air pollution control capability， which results in higher NO_x emissions and a greater contribution to global warming. Although APCD2 consumes more resources than APCD3， its pollutant emissions are not substantially reduced， indicating a need for improved resource utilization efficiency. Electricity consumption is the major factor affecting the GWP of the three processes， and reducing electricity consumption and improving energy efficiency are therefore crucial for minimizing environmental impacts. It is recommended that further studies be conducted on CO₂ emission reduction strategies for MSW incineration and that more efficient DeNOx technologies be introduced. This would facilitate the transition of MSW incineration plants toward ultra-low emission standards and low-carbon emissions.
- municipal solid waste incineration /
- air pollution control /
- global warming potential /
- life cycle assessment /
- ultra-low emission standard

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