Sensitivity analysis of three-parallel-DAEM-reaction model for describing rice straw pyrolysis

被引：59
作者：
Cai, Junmeng [1 ,2 ]
Wu, Weixuan [1 ]
Liu, Ronghou [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Agr & Biol, Biomass Energy Engn Res Ctr, Shanghai 200240, Peoples R China
[2] China Univ Petr, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2013年 / 132卷
基金：
中国国家自然科学基金;
关键词：
Biomass pyrolysis; Kinetics; Sensitivity analysis; Distributed activation energy model (DAEM); Parameter estimation; ACTIVATION-ENERGY MODEL; KINETIC-PARAMETERS; OPTIMIZATION;
D O I：
10.1016/j.biortech.2012.12.073
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
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.
引用
收藏
页码：423 / 426
页数：4
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