TG-DSC method applied to drying characteristics and heat requirement of cotton stalk during drying |
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| Authors: | Dengyu Chen Ming Li Xifeng Zhu |
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| Institution: | 1. Key Laboratory for Biomass Clean Energy of Anhui Province, University of Science and Technology of China, Hefei, 230026, China
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| Abstract: | Drying characteristics of cotton stalk were investigated at four temperatures (60, 80, 100 and 120?°C) using a simultaneous thermal analyzer (TG-DSC). Heat requirements of cotton stalk during drying were calculated ranging from 189 to 406?kJ/kg. Consequently, Midilli-Kucuk model showed the best fit to experimental drying data. The values of effective diffusivity ranged from 4.38?×?10?9 to 8.15?×?10?9?m2/s, and the activation energy was calculated to be 11.6?kJ/mol. |
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