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Appl. Sci. 2016, 6(11), 326; doi:10.3390/app6110326

Co-Firing of Fast Pyrolysis Bio-Oil and Heavy Fuel Oil in a 300-kWth Furnace

Department of Mechanical Engineering, Kun Shan University, Tainan 71070, Taiwan
Department of Mechanical Engineering, National Cheng Kung University, Tainan 70101, Taiwan
Research Center for Energy Technology and Strategy, National Cheng Kung University, Tainan 70101, Taiwan
Authors to whom correspondence should be addressed.
Academic Editor: Teen-Hang Meen
Received: 23 September 2016 / Revised: 19 October 2016 / Accepted: 26 October 2016 / Published: 29 October 2016
View Full-Text   |   Download PDF [1528 KB, uploaded 29 October 2016]   |  


Combustion characteristics and pollutant emissions of burning fast pyrolysis bio-oil/heavy fuel oil (HFO) blends in a 300-kWth furnace are investigated. Lauan (shorea) wood is used as biomass feedstock for making bio-oil via a fast pyrolysis process. The bio-oil has high viscosity, high water and oxygen content, as well as a low heating value. A furnace test is conducted for pure HFO and bio-oil/HFO blends with various mixing ratios. The results show that instability occurs during the test for cases with more than 5% bio-oil in the emulsion. Notably, it is verified that burning a bio-oil/HFO blend with a 2.5% bio-oil and a 97.5% HFO exhibits similar furnace performance and has lower NO and SO2 emission levels as compared to burning pure HFO. The reductions of NO and SO2 emissions are 2.6% and 7.9% for this blend, respectively. View Full-Text
Keywords: bio-oil; fast pyrolysis; furnace; combustion characteristics; emissions bio-oil; fast pyrolysis; furnace; combustion characteristics; emissions

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Hou, S.-S.; Huang, W.-C.; Rizal, F.M.; Lin, T.-H. Co-Firing of Fast Pyrolysis Bio-Oil and Heavy Fuel Oil in a 300-kWth Furnace. Appl. Sci. 2016, 6, 326.

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