Influence of operation variables on fast pyrolysis of Miscanthus sinensis var. purpurascens
- Authors
- Heo, Hyeon Su; Park, Hyun Ju; Yim, Jin-Heong; Sohn, Jung Min; Park, Junhong; Kim, Seung-Soo; Ryu, Changkook; Jeon, Jong-Ki; Park, Young-Kwon
- Issue Date
- May-2010
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Bio-oil; Energy crop; Fast pyrolysis; Fluidized bed; Miscanthus sinensis var. purpurascens
- Citation
- BIORESOURCE TECHNOLOGY, v.101, no.10, pp.3672 - 3677
- Indexed
- SCIE
SCOPUS
- Journal Title
- BIORESOURCE TECHNOLOGY
- Volume
- 101
- Number
- 10
- Start Page
- 3672
- End Page
- 3677
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/175046
- DOI
- 10.1016/j.biortech.2009.12.078
- ISSN
- 0960-8524
- Abstract
- Fast pyrolysis of Miscanthus was investigated in a bench-scale fluidized bed reactor for production of bio-oil. Process conditions were varied for temperature (350-550 degrees C), particle size (0.3-1.3 mm), feed rate and gas flow rate. Pyrolysis temperature was the most influential parameter upon the yield and properties of bio-oil. The highest bio-oil yield of 69.2 wt.% was observed at a temperature of 450 degrees C which corresponded to the end of the thermal composition of hemicellulose and cellulose. In the bio-oil, the water content was 34.5 wt.%, and the main compounds in the organic fraction were phenolics and oxygenates. With increasing temperature, the amount of oxygenates in the bio-oil decreased gradually while that of water and aromatics increased rapidly. The bio-oil yield was not significantly affected by particle sizes or feed rates. The use of product gases as a fluidizing medium aided in increasing bio-oil yield.
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