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Characterization of Polychlorinated Dibenzo-p-dioxins and Dibenzofurans of the Flue Gases, Fly Ash and Bottom Ash in a Municipal Solid Waste Incinerator

Category: Air Toxics

Volume: 18 | Issue: 2 | Pages: 421-432
DOI: 10.4209/aaqr.2017.12.0564

Export Citation:  RIS | BibTeX

Yen-Kung Hsieh1, Wei-Sheng Chen 1, Jinning Zhu 2, Qianli Huang3

  • 1 Department of Resources Engineering, National Cheng Kung University, Tainan 70101, Taiwan
  • 2 School of Resources and Environmental Engineering, Hefei University of Technology, Anhui, Hefei 246011, China
  • 3 School of Biological and Medical Engineering, Hefei University of Technology, Anhui, Hefei 230009, China


Characterization of PCDD/Fs in stack flue gas.
Characterization of PCDD/Fs in bottom ash.
Characterization of PCDD/Fs in fly ash.
Emission factors of PCDD/Fs.


The emissions factors of PCDD/Fs from the stack flue gas, bottom ash and fly ash of a municipal solid waste incinerator (MSWI) were analyzed in this study. The congner profiles of PCDD/F mass were dominant in OCDD and OCDF; however, those of PCDD/Fs-TEQ were mainly 2,3,4,7,8-PeCDF and 1,2,3,7,8-PeCDD in all samples. The PCDD/F emission factors of MSWI per metric ton of waste incinerated from the stack flue gas, bottom ash and fly ash were at an averaged of 0.0919, 7.20 and 12.8 μg PCDD/Fs-WHO2005-TEQ ton–1, respectively. Futhermore, the emission factor of MSWI in the unit of electricity produced averaged 0.185, 14.5 and 26.3 μg PCDD/Fs-WHO2005-TEQ (MWh)–1, respectively. As the results shown in this study, the majority of total PCDD/Fs-WHO2005-TEQ were mainly in both bottom ash and fly ashes. From long-term perspective, the disposal of both bottom and fly ashes should pay more attention to this issue. The results of this study provide useful information for both further studies and environmental control strategies aimed at persistent organic compounds (POPs).


PCDD/Fs Municipal solid waste incinerator Fly ash Bottom ash Flue gas

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