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N2O emission factors in bubbling fluidized bed incineration of municipal sewage sludge: The China case.
Dong, Yuhang; Wang, Lihua; Wang, Fei; Zou, Boyuan; Lv, Guojun; Cui, Haibin; Ye, Zhirong.
Afiliación
  • Dong Y; State Key Laboratory of Clean Energy Utilization, Institute of Thermal Power Engineering of Zhejiang University, Hangzhou 310027, Zhejiang, China.
  • Wang L; Shanghai Chengtou Waste Water Treatment Co.,Ltd, Shanghai 200092, China.
  • Wang F; State Key Laboratory of Clean Energy Utilization, Institute of Thermal Power Engineering of Zhejiang University, Hangzhou 310027, Zhejiang, China. Electronic address: wangfei@zju.edu.cn.
  • Zou B; Shanghai Chengtou Waste Water Treatment Co.,Ltd, Shanghai 200092, China.
  • Lv G; State Key Laboratory of Clean Energy Utilization, Institute of Thermal Power Engineering of Zhejiang University, Hangzhou 310027, Zhejiang, China.
  • Cui H; State Key Laboratory of Clean Energy Utilization, Institute of Thermal Power Engineering of Zhejiang University, Hangzhou 310027, Zhejiang, China.
  • Ye Z; State Key Laboratory of Clean Energy Utilization, Institute of Thermal Power Engineering of Zhejiang University, Hangzhou 310027, Zhejiang, China.
Waste Manag ; 183: 253-259, 2024 Jun 30.
Article en En | MEDLINE | ID: mdl-38776827
ABSTRACT
The N2O emissions resulting from sludge incineration are estimated using the default values published by the Intergovernmental Panel on Climate Change (IPCC), which may differ significantly from the actual emissions. In this investigation, N2O emissions from four sludge incineration lines in two plants were monitored for varying durations. The variation in N2O emission factors (EFs) between incineration lines of the same plant was much smaller than the difference between different plants. Data on N2O EFs obtained from brief monitoring may contain variabilities of up to 30%. N2O EFs were more sensitive to temperature changes at low temperatures, necessitating extended monitoring periods to improve the reliability of N2O monitoring outcomes in cases of low furnace temperatures. Excessive use of the SNCR system to reduce NOx emissions resulted in concentrations of N2O and NH3 in the exhaust gases exceeding NOx levels. In the case of furnace temperature control and advanced reburning technology, it is advisable to utilize actual monitoring data or the smaller default values provided by the IPCC in China. Otherwise, the estimated N2O emissions may exceed the actual emissions.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Aguas del Alcantarillado / Incineración / Contaminantes Atmosféricos / Óxido Nitroso País/Región como asunto: Asia Idioma: En Revista: Waste Manag Asunto de la revista: SAUDE AMBIENTAL / TOXICOLOGIA Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Aguas del Alcantarillado / Incineración / Contaminantes Atmosféricos / Óxido Nitroso País/Región como asunto: Asia Idioma: En Revista: Waste Manag Asunto de la revista: SAUDE AMBIENTAL / TOXICOLOGIA Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Estados Unidos