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Thermogravimetry study of the pyrolytic characteristics and kinetics of macro-algae Macrocystis pyrifera residue
| Content Provider | Semantic Scholar |
|---|---|
| Author | Zhao, Hui Yan, Huaxiao Dong, Shuangshuang Zhang, Youyou Sun, Binbin Zhang, Congwang Ai, Yanxiang Chen, Biaoqi Sui, Tongtong Qin, Song |
| Copyright Year | 2011 |
| Abstract | Macrocystis pyrifera is one important marine macro-algae, while its residues produced by industrial alginate extraction is a hot potato. To figure out whether its residue is suitable for pyrolysis for biofuel, the pyrolytic characteristics and kinetics of macro-algae M. pyrifera residue was investigated using thermogravimetric method from 50 to 800 °C in an inert argon atmosphere at different heating rates of 5, 10, 20, and 30 °C min−1. The activation energy and pre-exponential factor was calculated by Flynn–Wall–Ozawa, Kissinger–Akahira–Sunose, and Popescu methods, and the kinetic mechanism was deduced by Popescu method. The results showed that the primary devolatilization stage of M. pyrifera residue can be described by Jander function $$ \left(\left[ {1 - \left( {1 - \alpha } \right)^{1/3} } \right]^{2}\right) $$. The average activation energy of M. pyrifera residue was 222.4 kJ mol−1. The results suggested that the experimental results and kinetic parameters provided useful information for the design of pyrolytic processing system using M. pyrifera residue as feedstock. |
| Starting Page | 1685 |
| Ending Page | 1690 |
| Page Count | 6 |
| File Format | PDF HTM / HTML |
| DOI | 10.1007/s10973-011-2102-8 |
| Alternate Webpage(s) | http://ir.yic.ac.cn/bitstream/133337/6468/1/Thermogravimetry%20study%20of%20the%20pyrolytic%20characteristics%20and%20kinetics%20of%20macro-algae%20Macrocystis%20pyrifera%20residue.pdf |
| Alternate Webpage(s) | https://doi.org/10.1007/s10973-011-2102-8 |
| Volume Number | 111 |
| Journal | Journal of Thermal Analysis and Calorimetry |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
