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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2023.12
- 수록면
- 90 - 110 (21page)
이용수
초록· 키워드
오류제보하기
Nitrous oxide (N₂O) is an important greenhouse gas (GHG) and an ozone-depleting substance that can be emitted from landfills. Understanding the dynamics of N₂O and its contribution to total emissions is critical to effective mitigation measures. This study outlines the dynamics of N₂O in solid waste landfills and N₂O emissions from them. N₂O generation in anaerobic landfills is primarily due to denitrification and, to a lesser extent, nitrification, which occurs in the oxygenated cover soil layer and the working face. However, nitrification and denitrification are very limited within landfills. The landfill leachate contains high concentrations of ammonia (NH₃). Thus, a significant amount of N₂O is generated from aerobic processes during leachate treatment. Bioreactor landfills emit more N₂O than traditional anaerobic landfills. The majority of N₂O emitted from bioreactor landfills is generated through different pathways, such as hydroxylamine (NH₂OH) oxidation, nitrifier denitrification, and heterotrophic denitrification. These processes are affected by several factors, including the carbon-to-nitrogen (C/N) ratio, NH₃ oxidation rate NH3 oxidation rate, redox conditions, and temperature. Addressing N₂O emissions from landfills will be necessary to achieve an integrated nitrogen management strategy that helps minimize N₂O emissions.
목차
ABSTRACT
1. Introduction
2. N₂O Production Mechanisms
3. N₂O Dynamics and Emissions from Anaerobic Landfills
4. N₂O Dynamics and Emissions from Bioreactor Landfills
5. Summary of Major Pathways and Factors Affecting N₂O Production
6. Conclusions and Future Perspectives
References
참고문헌 (141)
참고문헌 신청
IPCC. Climate Change 2021: The Physical Science Basis, Contribution of Working Group Ⅰ to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge University Press; 2021. P. 1017-1018.
Strokal M, Kroeze C. Nitrous oxide (N2O) emissions from human waste in 1970-2050. Curr. Opin. Environ. Sustain. 2014;9-10:108-121. https://doi.org/10.1016/j.cosust.2014.09.008.
Syakila A, Kroeze C. The global nitrous oxide budget revisited. Greenh. Gas Meas. Manag. 2011;1:17-26. https://doi.org/3763/ghgmm.2010.0007.
Nag M, Shimaoka T, Komiya T. Nitrous oxide production during nitrification from organic solid waste under temperature and oxygen conditions. Environ. Technol. 2016;37:2890-2897. https://doi.org/10.1080/09593330.2016.1168485.
Ishigaki T, Nakagawa M, Nagamori M, Yamada M. Anaerobic generation and emission of nitrous oxide in waste landfills. Environ. Earth Sci. 2016;75:750. https://doi.org/10.1007/s12665-016-5543-3.
Strokal M, Kroeze C. Nitrous oxide (N2O) emissions from human waste in 1970-2050. Curr. Opin. Environ. Sustain. 2014;9-10:108-121. https://doi.org/10.1016/j.cosust.2014.09.008.
Syakila A, Kroeze C. The global nitrous oxide budget revisited. Greenh. Gas Meas. Manag. 2011;1:17-26. https://doi.org/3763/ghgmm.2010.0007.
Nag M, Shimaoka T, Komiya T. Nitrous oxide production during nitrification from organic solid waste under temperature and oxygen conditions. Environ. Technol. 2016;37:2890-2897. https://doi.org/10.1080/09593330.2016.1168485.
Ishigaki T, Nakagawa M, Nagamori M, Yamada M. Anaerobic generation and emission of nitrous oxide in waste landfills. Environ. Earth Sci. 2016;75:750. https://doi.org/10.1007/s12665-016-5543-3.
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