期刊
BIORESOURCE TECHNOLOGY
卷 132, 期 -, 页码 423-426出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2012.12.073
关键词
Biomass pyrolysis; Kinetics; Sensitivity analysis; Distributed activation energy model (DAEM); Parameter estimation
资金
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum [2012-1-02]
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology [CRE-2011-C-304]
- School of Agriculture and Biology, Shanghai Jiao Tong University [NRC201101]
- National Natural Science Foundation of China [51176121]
The three-parallel-DAEM-reaction model was used to study the slow pyrolysis kinetics of rice straw based on thermogravimetric analysis (TGA) data. The kinetic parameters of the model were calculated using the pattern search method. A comparison between the predicted DTG data and experimental values showed good agreement. The influences of the kinetic parameters on the model for describing the experimental data of rice straw were analyzed by means of local parametric sensitivity analysis. The results indicated that the frequency factor and the mean value of the activation distribution for cellulose decomposition affect the model more strongly than other parameters, followed by the corresponding parameters for hemicellulose and lignin. The sensitivity of the model to the standard deviations of the activation energy distributions for all pseudocomponents is very slight. (C) 2012 Elsevier Ltd. All rights reserved.
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