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http://dx.doi.org/10.12925/jkocs.2017.34.1.1

Fuel characteristics of Yellow Poplar bio-oil by catalytic pyrolysis  

Chea, Kwang-Seok (Department of wood chemistry & microbiology, National Institute of Forest Science)
Jeong, Han-Seob (Department of wood chemistry & microbiology, National Institute of Forest Science)
Ahn, Byoung-Jun (Department of wood chemistry & microbiology, National Institute of Forest Science)
Lee, Jae-Jung (Department of wood chemistry & microbiology, National Institute of Forest Science)
Ju, Young-Min (Department of wood chemistry & microbiology, National Institute of Forest Science)
Lee, Soo-Min (Department of wood chemistry & microbiology, National Institute of Forest Science)
Publication Information
Journal of the Korean Applied Science and Technology / v.34, no.1, 2017 , pp. 1-11 More about this Journal
Abstract
Bio-oil has attracted considerable interest as one of the promising renewable energy resources because it can be used as a feedstock in conventional petroleum refineries for the production of high value chemicals or next-generation hydrocarbon fuels. Zeolites have been shown to effectively promote cracking reactions during pyrolysis resulting in highly deoxygenated and hydrocarbon-rich compounds and stable pyrolysis oil products. In this study, catalytic pyrolysis was applied to upgrade bio-oil from yellow poplar and then fuel characteristics of upgraded bio-oil was investigated. Yellow Poplar(500 g) which ground 0.3~1.4 mm was processed into bio-oil by catalytic pyrolysis for 1.64 seconds at $465^{\circ}C$ with Control, Blaccoal, Whitecoal, ZeoliteY and ZSM-5. Under the catalyst conditions, bio-oil productions decreased from 54.0%(Control) to 51.4 ~ 53.5%, except 56.2%(Blackcoal). HHV(High heating value) of upgraded bio-oil was more lower than crude bio-oil while the water content increased from 37.4% to 37.4 ~ 45.2%. But the other properties were improved significantly. Under the upgrading conditions, ash and TAN(Total Acid Number) is decrease and particularly important as transportation fuel, the viscosity of bio-oil decreased from 6,933 cP(Control) to 2,578 ~ 4,627 cP. In addition, ZeoliteY was most effective on producing aromatic hydrocarbons and decreasing of from the catalytic pyrolysis.
Keywords
Catalytic fast pyrolysis; bio-oil; higher heating value; water content;
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