Sensitivity analysis applied to independent parallel reaction model for pyrolysis of bagasse

K.G. Santos; ES. Lobato; T.S. Lira

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Sensitivity analysis applied to independent parallel reaction model for pyrolysis of bagasse

机译：敏感性分析应用于独立甘蔗渣的热解平行反应模型

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The independent parallel reaction model (IPR model) is applied in this work to study the slow dynamic pyrolysis of sugarcane bagasse, based on a thermogravimetric analysis of three ranges of particle diameters. The kinetic parameters and mass fraction of each principal pseudo-component of biomass (hemicellulose, cellulose and lignin) are estimated using the Differential Evolution Algorithm. A comparison of the estimated mass fractions and Arrhenius parameters against experimental values reported in the literature shows good agreement. The influence of various kinetic parameters of the model is also analyzed by means of sensitivity studies using derivative methods based on the DASPK 3.0 code. The results of the relative parametric sensitivity indicate that activation energies affect bagasse conversion more strongly than other parameters, followed by the pre-exponential factors of Arrhenius equation and mass fractions. The sensitivity of the IPR kinetic model to the orders of reaction is very slight.

机译：独立的平行反应模型(知识产权应用模型)在本研究缓慢动态热解甘蔗蔗渣,基于热重量分析三个范围粒子直径。每个主要拟组分的质量分数生物质(半纤维素、纤维素和木质素)估计使用微分进化算法。分数和阿伦尼乌斯参数文献报道的实验值显示了良好的协议。模型的动力学参数也进行了分析使用导数的敏感性研究方法基于DASPK 3.0代码。的相关参数灵敏度表示激活能量影响蔗渣比其他参数转换更强烈,紧随其后的是之前的因子阿仑尼乌斯方程和质量分数。敏感的知识产权动力学模型订单的反应很轻微。

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《Chemical Engineering Research & Design: Transactions of the Institution of Chemical Engineers》 |2012年第11期|1989-1996|共8页
作者
K.G. Santos; ES. Lobato; T.S. Lira;
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作者单位

School of Chemical Engineering, Federal University of Uberlandia, Av. Joao Naves de Avila 1410, Vberlandia, Brazil;

Department of Engineering and Computation, Federal University of Espirito Santo, Rodouia BR 101 Norte, Km. 60, Bairro Litordneo, Sao Mateus, Brazil;

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正文语种英语
中图分类国际共产主义运动;
关键词
pyrolysis; Sensitivity analysis; mass-ratiokinetic modelBiomassBagasseKinetic parametersMODEL REACTION;

机译：热解;灵敏度分析;mass-ratiokineticmodelBiomassBagasseKinetic parametersMODEL反应;

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Sensitivity analysis applied to independent parallel reaction model for pyrolysis of bagasse

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