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Journal of the Korean Society for Environmental Analysis 2008;11(1):75-83.
Fast Pyrolysis of Biomass for Generation of Value Added Chemicals in a Bubbling Fluidized Bed Pyrolyzer
기포유동층 열분해로에서 고부가가치 화합물 생성을 위한바이오매스 급속열분해
김남찬, 엄민섭
광운대학교
Abstract
Biomass pyrolysis is one of the useful thermal treatment process which can generate solid, liquid and gasphase usable product like fuel and chemical feedstock. In general, it is known that process parameter contained temperature had an effect on yield and chemical composition of bio-oil. Effect of temperature and gas velocity( U0/Umf) on the yield of bio-oil has been determined in a bubbling fluidized bed pyrolyzer. Our study also was focused on the change of bio-fuel composition using GC-MS. The yield of bio-oil was decreased with an increase of pyrolysis temperature and gas velocity. Also it should be noted that our study also focused on the composition change of bio-oil using GC-MS. The oil yield decreased as the pyrolysis temperature and gas velocity was raised over 400 and U0/Umf=3.0. The maximum yield of bio-oil was as follows; Quercus Acutissima= 58%, Larix Leptolepis=55% and sewage sludge=56%. And, value added chemicals such as pyrocatechol, guaiacol, syringol and levoglucosan was existed in bio-oil generated from biomass pyrolysis.
Key Words: Biomass Pyrolysis, Bio-oil, Yield, Chemical Composition, High value added chemicals
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