Journal
BIORESOURCE TECHNOLOGY
Volume 153, Issue -, Pages 223-229Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2013.12.021
Keywords
Gasification; Kinetic analysis; Pseudocomponent; Biomass
Funding
- National Basic Research Program of China (973 program) [2011CB201502]
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The gasification kinetic analysis of the three pseudocomponents (hemicellulose, cellulose and lignin) of biomass decomposition in the agent of CO2 were investigated. The Multi-peaks method was used to fit the Gaussian distribution model of DTG curves. The Friedman method was used to estimate the effective E alpha, and the master plot method was used for the determination of the kinetic model. The results showed that there were two reaction stages for semi-cellulose and lignin. The DTG curves of semicellulose and lignin cannot be fitted by Gaussian distribution model. The E-alpha were ranged from 80 to 220 kJ mol (1) for the three pseudocomponents. The F-n model could describe the kinetic process of stage I of semi-cellulose decomposition. Both cellulose and stage II of semicellulose decomposition could be described by A(n) model and the two reaction stages of the lignin were fitted the R-n model very well. (C) 2013 Elsevier Ltd. All rights reserved.
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