期刊
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
卷 118, 期 -, 页码 63-74出版社
ELSEVIER
DOI: 10.1016/j.jaap.2015.12.025
关键词
Bio-oil; Circulating fluidised-bed; Contaminated Sawdust; Fast pyrolysis
资金
- Mahasarakham University, Thailand [5711017/2557]
Sawdust contaminated with mineral oils and solids was pyrolysed in a circulating fluidised bed (CFB) reactor. The objectives are to investigate the influences of pyrolysis temperature (400-600 degrees C) and the contaminants on product yields and properties. The results show that bio-oil reached its maximum yield of 67 wt% at 500 degrees C and had a lower heating value (LHV) of similar to 30 MJ/kg. At this temperature, the char yield of 18 wt% with an LHV of 18 MJ/kg and the gas yield of 15 wt% with an LHV of 28 MJ/Nm(3) were obtained. Increasing the temperature tended to reduce the bio-oil water content and stability, while increasing its LHV and viscosity. The presence of mineral oils increased the organic bio-oil yield by suppressing the reaction water and increased the heating value of the non-condensable gas by nearly 3-fold. Both solid and liquid contaminants increased the bio-oil viscosity and LHV and decreased the char LHV. In addition, GC/MS analysis of bio-oils from contaminated sawdust showed the presence of C-12-C-44 hydrocarbon components. (C) 2016 Elsevier B.V. All rights reserved.
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