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

WEI Junxiao; WEI Zeng; ZHANG Jiangwei; ZHANG Lei; LIU Jianguo; LI Huan

doi:10.13205/j.hjgc.202607006

Volume 44 Issue 7

Jul. 2026

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WEI Junxiao, WEI Zeng, ZHANG Jiangwei, ZHANG Lei, LIU Jianguo, LI Huan. Analysis of global warming potential of air pollution control processes in municipal solid waste incineration under ultra-low emission standards implementation[J]. ENVIRONMENTAL ENGINEERING , 2026, 44(7): 49-58. doi: 10.13205/j.hjgc.202607006

Citation:

WEI Junxiao, WEI Zeng, ZHANG Jiangwei, ZHANG Lei, LIU Jianguo, LI Huan. Analysis of global warming potential of air pollution control processes in municipal solid waste incineration under ultra-low emission standards implementation[J]. ENVIRONMENTAL ENGINEERING , 2026, 44(7): 49-58. doi: 10.13205/j.hjgc.202607006

Citation:

WEI Junxiao, WEI Zeng, ZHANG Jiangwei, ZHANG Lei, LIU Jianguo, LI Huan. Analysis of global warming potential of air pollution control processes in municipal solid waste incineration under ultra-low emission standards implementation[J]. ENVIRONMENTAL ENGINEERING , 2026, 44(7): 49-58. doi: 10.13205/j.hjgc.202607006

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

doi: 10.13205/j.hjgc.202607006

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

Received Date: 2025-03-09
Available Online: 2026-09-01

Abstract

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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References(37)

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