Determination of Drying Kinetics for Biomass by Thermogravimetric Analysis under Nonisothermal Condition |
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| Authors: | Junmeng Cai Siyu Chen |
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| Affiliation: | 1. Biomass Energy Engineering Research Centre, School of Agriculture and Biology, Shanghai Jiao Tong University , Shanghai, P.R. China jmcai@sjtu.edu.cn;3. School of Mechanical Engineering , Shanghai Jiao Tong University , Shanghai, P.R. China |
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| Abstract: | The nonisothermal drying kinetics of wheat straw and corn stalk has been studied by thermogravimetry. The experimental data have been obtained in order to fit to semitheoretical models widely used to describe drying behavior of agricultural products. Nonisothermal drying models—Newton, Henderson and Pabis, logarithmic, and Page—were evaluated based on the coefficient of determination (R 2), reduced chi-square (χ 2), and root means square error (RMSE). Page's model has been found to be the best for describing the nonisothermal drying characteristics of wheat straw and corn stalk. The activation energy values of wheat straw and corn stalk are determined to be 14.144 and 6.113 kJ mol?1, respectively. |
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| Keywords: | Agricultural residues Drying kinetics Drying model Nonisothermal thermogravimetric analysis |
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