期刊
FUEL
卷 283, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2020.118939
关键词
Pyrolysis; Lignite coals; Thermogravimetric analysis; Kinetic modeling; Gas evolution kinetics
资金
- ONGC-UCG Team
In this study, the kinetics of pyrolysis of three Indian lignite samples were investigated through thermogravimetric experiments and mathematical modeling. Various kinetic models were evaluated for their applicability, and the kinetic parameters were estimated based on experimental data. Additionally, the kinetics of volatile matter evolution was studied independently using a specially designed fixed-bed reactor.
Pyrolysis is an important step in combustion and gasification of any solid fuel. In this work, we have studied the kinetics of the pyrolysis of three Indian lignite samples via thermogravimetric experiments and mathematical modeling. Applicability of various kinetic models viz. the single global reaction model, the consecutive reaction model and the distributed activation energy model (DAEM) are evaluated. The kinetic parameters of the models were estimated based on the experimental data. Kinetics of the evolution of the volatile matter was studied independently by using a specially designed fixed-bed reactor and the relevant kinetic parameters were estimated.
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