Mingxiu Zhan1,2, Tianjiao Wang2,3, Jie Yang4, Longjie Ji5, Guoshun Zhou3, Tong Chen 1, Xiaodong Li2, Xiaoqing Lin2

College of Metrology and Measurement Engineering, China Jiliang University, Hangzhou 310018, China
State Key Laboratory of Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou 310027, China
Institute of Incineration Technology, Everbright Envirotech (China) Ltd., Nanjing 211102, China
Zhejiang Fangyuan New Materials Co., Ltd., Zhejiang 318000, China
National Engineering Laboratory for Site Remediation Technologies, Beijing Construction Engineering Group Environmental Remediation Co., Ltd., Beijing 100015, China

Received: April 6, 2018
Revised: July 18, 2018
Accepted: July 24, 2018
Download Citation: ||https://doi.org/10.4209/aaqr.2018.03.0092  

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Cite this article:
Zhan, M., Wang, T., Yang, J., Ji, L., Zhou, G., Chen, T., Li, X. and Lin, X. (2018). The Behaviors and Relationships of PCDD/Fs and Chlorobenzenes in the Whole Process of one Municipal Solid Waste Incinerator. Aerosol Air Qual. Res. 18: 3134-3146. https://doi.org/10.4209/aaqr.2018.03.0092


  • The behavior of CBz compared with PCDD/Fs in the whole MSWI system was analyzed.
  • Characteristics in flue gas and fly ash were all investigated.
  • The detailed relationships among all PCDD/Fs and CBz congener profiles were revealed.
  • Correlation for gas/solid PCDD/Fs indication before and after the APCD were found.


We examined the characteristics of polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans (PCDD/Fs) and chlorobenzenes (CBzs) in the flue gas and fly ash of a municipal solid-waste incinerator in four locations: the outlet of the furnace, the outlet of the high-temperature superheater, the inlet of the semi-dry scrubber and the stack after air pollution control device (APCD) processing. Both PCDD/Fs and CBzs were mostly formed at low temperatures. The dominant PCDD/Fs generated in the gaseous phase were 23478-PeCDF and TCDF, and 124-TrCBz was the major CBz in both the gaseous and solid phase. More PCDD/Fs were found in the solid phase with the decrease of temperature, while CBzs exhibited the opposite trend. Furthermore, activated carbon with a low surface area and mesoporous volume showed low flue gas removal efficiencies for PCDD/Fs and CBzs in the flue gas. The fraction of PCDD/Fs in the solid phase largely decreased when the flue gas passed through the fabric filter. Additionally, the memory effects of the aged filters increased the fractions of 234678-HxCDF, 1234678-HpCDF and 1234678-HxCDD. Most important, the relationships between PCDD/Fs and CBzs in the flue gas and fly ash were analyzed, respectively. In the gaseous phase, most of the CBzs displayed high correlation coefficients with PCDD/Fs, especially 123-TrCBz (R2 > 0.8). In the solid phase, low correlation coefficients were found between CBzs and PCDD/Fs except for 135-TrCBz and 123-TrCBz (R2 = 0.8). A remarkable correlation was also found between 124-TrCBz in the flue gas and PCDD/Fs in the fly ash. We conclude that TrCBzs may be regarded as the best indicator for PCDD/Fs in both flue gas and fly ash.

Keywords: Polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans; Chlorobenzenes; Emission characteristic; Correlations; Gas-solid distribution.


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