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Air Pollution Characteristics of Reclamation of Refuse Derived Fuel (RDF) Recovered from Cutting Oil Waste

Category: Control Techniques and Strategy

Volume: 19 | Issue: 11 | Pages: 2576-2584
DOI: 10.4209/aaqr.2019.09.0481
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To cite this article:
Kuo, Y.M., Wang, Y.K., Lin, S.L., Yin, L.T. and Hsieh, Y.K. (2019). Air Pollution Characteristics of Reclamation of Refuse Derived Fuel (RDF) Recovered from Cutting Oil Waste. Aerosol Air Qual. Res. 19: 2576-2584. doi: 10.4209/aaqr.2019.09.0481.

Yi-Ming Kuo 1, Yu-Kuan Wang2, Sheng-Lun Lin3, Li-Te Yin4, Yen-Kung Hsieh 5

  • 1 Department of Safety Health and Environmental Engineering and Department of Optometry, Chung Hwa University of Medical Technology, Tainan 71703, Taiwan
  • 2 She Ching Enterprise Co., Ltd., Tainan 74443, Taiwan
  • 3 Department of Civil Engineering and Geomatics, Super Micro Mass Research and Technology Center, and Center for General Education, Cheng Shiu University, Kaohsiung 83347, Taiwan
  • 4 Department of Optometry, Chung Hwa University of Medical Technology, Tainan City 71703, Taiwan
  • 5 Ocean Affairs Council, Kaohsiung 80661, Taiwan

Highlights

  • 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.

Abstract

The object of this study is to investigate the emission characteristics of reclamation of refuse-derived fuel (RDF) to evaluate the feasibility of substitution of RDF for current fuels. The cutting oil collected from a canned-food factory was pretreated, mixed with wood dust and bentonite, and was remolded into pellet RDF. Input materials, including coal, wood dust, and remolded RDF, were reclaimed in a steam generation plant. The pollutant characteristics of bottom ash, fly ash, and flue gas were analyzed to evaluate the combustion performance of the tested fuels. The PCDD/F concentration of the flue gas in the runs without coal (19.6 and 21.9 ng I-TEQ Nm–3) was two orders higher than those in the runs with coal (0.226 and 0.017 ng I-TEQ Nm–3) due to partial smoldering. Except for coal, the substitution of RDF for wood dust also reduced the formation of PCDD/Fs. According to the monitoring data for CO, O2, and combustion efficiency, RDF further improved the combustion condition with the aid of coal. The results show that reclamation of RDF is a promising method to take both waste treatment and energy regeneration into consideration.

Keywords

Combustion efficiency Ash RDF Wood dust Coal


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