Co-pyrolysis characteristics of sawdust and coal blend in TGA and a fixed bed reactor

Co-pyrolysis characteristics of sawdust and coal blend were determined in TGA and a fixed bed reactor. The yield and conversion of co-pyrolysis of sawdust and coal blend based on volatile matters are higher than those of the sum of sawdust and coal individually. Form TGA experiments, weight loss rat...

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Bibliographic Details
Published in:Bioresource technology 2010-08, Vol.101 (15), p.6151-6156
Main Authors: Park, Dong Kyoo, Kim, Sang Done, Lee, See Hoon, Lee, Jae Goo
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
Biological and medical sciences
Biomass
Bioreactors
Biotechnology
Blending
Blends
Carbon monoxide
Co-pyrolysis
Coal
Cobalt
Energy Transfer
Fundamental and applied biological sciences. Psychology
General agronomy. Plant production
Hot Temperature
Larix - chemistry
Methods. Procedures. Technologies
Reactors
Sawdust
Synergy effect
Thermogravimetry
Use of agricultural and forest wastes. Biomass use, bioconversion
Various methods and equipments
Weight loss
Wood - chemistry
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Summary:Co-pyrolysis characteristics of sawdust and coal blend were determined in TGA and a fixed bed reactor. The yield and conversion of co-pyrolysis of sawdust and coal blend based on volatile matters are higher than those of the sum of sawdust and coal individually. Form TGA experiments, weight loss rate of sawdust and coal blend increases above 400°C and additional weight loss was observed at 700°C. In a fixed bed at isothermal condition, the synergy to produce more volatiles is appeared at 500–700°C, and the maximum synergy exhibits with a sawdust blending ratio of 0.6 at 600°C. The gas product yields remarkably increase at lower temperature range by reducing tar yield. The CO yield increases up to 26% at 400°C and CH4 yield increases up to 62% at 600°C compared with the calculated value from the additive model.
ISSN:0960-8524
1873-2976
DOI:10.1016/j.biortech.2010.02.087