Zhiyong Li 1,2, Yutong Wang1, Songtao Guo1, Zhenxin Li1, Yiran Xing1, Guoqing Liu1, Rui Fang1, Yao Hu1, Hongtao Zhu1, Yulong Yan 2

Hebei Key Lab of Power Plant Flue Gas Multi-Pollutants Control, Department of Environmental Science and Engineering, North China Electric Power University, Baoding 071003, China
MOE Key Laboratory of Resources and Environmental Systems Optimization, Ministry of Education, Beijing 102206, China

Received: October 3, 2019
Revised: October 21, 2019
Accepted: October 22, 2019
Download Citation: ||https://doi.org/10.4209/aaqr.2019.10.0495  

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Cite this article:
Li, Z., Wang, Y., Guo, S., Li, Z., Xing, Y., Liu, G., Fang, R., Hu, Y., Zhu, H. and Yan, Y. (2019). PM2.5 Associated PAHs and Inorganic Elements from Combustion of Biomass, Cable Wrapping, Domestic Waste, and Garbage for Power Generation. Aerosol Air Qual. Res. 19: 2502-2517. https://doi.org/10.4209/aaqr.2019.10.0495


  • Cutting oil waste was recovered and transformed into refuse derived fuel(RDF).
  • RDF was reclaimed in a steam generation plant.
  • Substitution of RDF for wood dust improves the combustion condition.



PM2.5 fractions were collected by re-suspension of the ashes derived from the incineration processes of peanut straw (PS), wheat straw (WS), garbage-fired power plant (GFPP), domestic garbage for volume reduction (DG), and workshop of cable combustion for metal reclamation (WCC) for the analysis of 16 PAHs and 26 elements to obtain the information about their composition profiles, toxicity of PAHs, and exposure risks posed by heavy metals (HMs) and As. GFPP possessed the highest Ʃ16PAHs, while the lowest value occurred at DG. HMW-PAHs dominated in GFPP, while LMW-PAHs were predominant in PS and WS. BaP was the top PAH in GFPP and GFPP possessed the highest TEQ values based on the 2,3,7,8-tetrachlorodibenzodioxin (TCDD) and BaP associated TEFs, and followed by WCC > DG > WS > PS. Except for DG vs. WCC, the PAH-, and HM vs. As-profiles between any 2 out of 5 sources were different based on higher coefficients of divergence than 0.3. The sum of 10 HMs and As (∑11IEs) dominated in WCC due to high contents of Cu, Zn, and Pb, and followed by GFPP > DG > WS > PS. The most enriched HMs were Sb, Cu, and Pb for WCC, Sn for GFPP, and Cd for both GFPP and DG. The integrated carcinogenic risks (CRs) for children posed by both dermal adsorption (Derm) and ingestion (ING) were higher than those for adults. The CRs for children from all the 5 sources exceeded the acceptable level of 1 × 10–4. The non-carcinogenic risks (NCRs) for children posed by both ING and DERM for 5 sources were much higher than those for adults. The NCRs for children posed by ING significantly exceeded 1, which were 63.8, 10.9, 4.11, 3.58, and 2.19 for WCC, GFPP, WS, DG, and PS.

Keywords: PAHs; Heavy metals; Cable wrapping; Garbage-fired power plant; Domestic garbage.

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