Pyrolysis kinetics of potassium-impregnated rubberwood analyzed by evolutionary computation
| Autor: | Mathieu Pétrissans, François Leconte, Baptiste Colin, Anélie Pétrissans, Bo Jhih Lin, Yu Ying Lin, Wei Hsin Chen |
|---|---|
| Přispěvatelé: | Department of Aeronautics and Astronautics [Tainan], National Cheng Kung University (NCKU), Laboratoire d'Etude et de Recherche sur le Matériau Bois (LERMAB), Université de Lorraine (UL), Research Center for Smart Sustainable Circular Economy, Tunghai University [Taichung], Department of Mechanical Engineering [Taichung], National Chin-Yi University of Technology (NCUT) |
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
0106 biological sciences
Thermogravimetric analysis Environmental Engineering Potassium Pyrolysis kinetics chemistry.chemical_element Lignocellulosic biomass Impregnation Bioengineering 010501 environmental sciences Lignin 01 natural sciences Potassium carbonate chemistry.chemical_compound [SPI]Engineering Sciences [physics] Independent parallel reaction (IPR) model 010608 biotechnology Potassium catalyst [SPI.GPROC]Engineering Sciences [physics]/Chemical and Process Engineering Biomass Cellulose Rubberwood Waste Management and Disposal ComputingMilieux_MISCELLANEOUS 0105 earth and related environmental sciences Renewable Energy Sustainability and the Environment Chemistry General Medicine Kinetics Chemical engineering Thermogravimetry Particle swarm optimization (PSO) Pyrolysis |
| Zdroj: | Bioresource Technology Bioresource Technology, Elsevier, 2021, Bioresource Technology, pp.124145. ⟨10.1016/j.biortech.2020.124145⟩ |
| ISSN: | 0960-8524 |
| DOI: | 10.1016/j.biortech.2020.124145⟩ |
| Popis: | To explore the catalytic effect of potassium on pyrolysis characteristics of biomass, the rubberwood is pyrolyzed by a thermogravimetric analyzer. The samples are impregnated by three concentrations of potassium carbonate (0.004 M, 0.008 M, and 0.012 M). The pyrolysis kinetics is analyzed by an independent parallel reaction (IPR) model to describe the catalytic effect on the four-pseudo components model in the rubberwood. The particle swarm optimization (PSO) is adopted to optimize the fit quality between the established kinetic models and experimental data. It is found that the pyrolysis of rubberwood impregnated with 0.012 M concentration of K2CO3 can reduce the activation energy of cellulose from 223.86 to 204.14 kJ mol−1, whereas there is no obvious effect on the activation energies of hemicelluloses and lignin. The starting temperature and ending temperature of cellulose thermodegradation also move toward lower temperatures, indicating that the addition of potassium enhances the degradation of cellulose. |
| Databáze: | OpenAIRE |
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