Journal
BIORESOURCE TECHNOLOGY
Volume 97, Issue 4, Pages 569-576Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2005.03.026
Keywords
soybean cake; fast pyrolysis; bio-fuels
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This study was an investigation of the role of important parameters influencing pyrolysis yields from soybean cake. Experiments were carried out at temperatures ranging from 400 to 700 degrees C, for various nitrogen flow rates, heating rates and particle sizes. The maximum liquid yield was 42.83% at a pyrolysis temperature of 550 degrees C with a sweeping gas rate of 200 cm(3) min(-1) and heating rate of 700 degrees C min(-1) for a soybean cake sample having 0.425 < D-p < 0.85 mm particle size. The various characteristics of liquid product were identified. Thus, the aliphatic sub-fraction of the bio-oil was analysed by GC-MS and further structural analyses of bio-oil and aromatic and polar sub-fractions were conducted using FT-IR and H-1-NMR. The H/C ratios and the structural analysis of the fractions obtained from the biocrudes showed that the fractions were quite similar to currently utilised transport fuels. (c) 2005 Elsevier Ltd. All rights reserved.
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