Fast pyrolysis experiments of larch sawdust by using a bubbling fluidized bed (0.076 m I.D. × 0.8 m high) have been investigated to determine, particularly, the effect of temperature, U
ratio, length/diameter ratio of bed (L/D),
particle size of the bed material, and O2 concentration on the bio oil yield and compositions. The operation conditions were as follows: temperature, 350–550°C; L/D, 1.0–3.0; U
ratio, 2.0–6.0; particle size,
60–128 μm; and O2 concentration, 0–15 vol%. As bio oil yield decreased with operation conditions, the gas yield increased and the number of chemical compounds in bio oil decreased. The maximum oil yield of 58 wt% was obtained at: temperature, 400°C; L/D ratio,
2.0; and O2 concentration, 0%.
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Document Type: Research Article
Department of Environmental Engineering, Kwangwoon University, Seoul, Korea
School of Environmental Engineering, University of Seoul, Seoul, Korea
Clean Fuel Department, Korea Institute of Energy Research, Daejeon, Korea
Department of Mineral Resources and Energy Engineering, Chonbuk National University, Jeonju, Korea
Publication date: July 3, 2013