Effects of impregnated potassium on biomass torrefaction

Michal Safar, Bo Jhih Lin, Wei-Hsin Chen, D. Langauer, H. Raclavska, Anélie Pétrissans, Mathieu Pétrissans

研究成果: Conference article

摘要

Torrefaction is a pre-treatment process which can improve the properties of biomass, such as improving grindability, increasing heating value, and reducing the hygroscopic nature. Potassium is a well-known alkali catalyst in the thermal reactions of biomass. The influence of potassium on the devolatilization behavior was dependent on the amount of loading potassium. The aim of this study is to figure out the effect of potassium on the thermal degradation of biomass, the rubber wood sawdust was adopted as the feedstock, and the biomass sample was crushed and then dried in an atmospheric oven. Impregnation was used to prepare samples with different potassium ion content equably and adequately. Thereafter, the sample was torrefied by in a thermogravimetric analyser (TG) at different temperature (150, 20, 250, and 300 °C). The experimental results show that the addition potassium can significantly change the chemical kinetics, and further enhanced the thermal degradation of biomass during torrefaction.

原文English
頁(從 - 到)55-60
頁數6
期刊Energy Procedia
158
DOIs
出版狀態Published - 2019 一月 1
事件10th International Conference on Applied Energy, ICAE 2018 - Hong Kong, China
持續時間: 2018 八月 222018 八月 25

指紋

Potassium
Biomass
Pyrolysis
Sawdust
Ovens
Reaction kinetics
Impregnation
Feedstocks
Wood
Rubber
Heating
Catalysts
Ions
Temperature

All Science Journal Classification (ASJC) codes

  • Energy(all)

引用此文

Safar, M., Lin, B. J., Chen, W-H., Langauer, D., Raclavska, H., Pétrissans, A., & Pétrissans, M. (2019). Effects of impregnated potassium on biomass torrefaction. Energy Procedia, 158, 55-60. https://doi.org/10.1016/j.egypro.2019.01.035
Safar, Michal ; Lin, Bo Jhih ; Chen, Wei-Hsin ; Langauer, D. ; Raclavska, H. ; Pétrissans, Anélie ; Pétrissans, Mathieu. / Effects of impregnated potassium on biomass torrefaction. 於: Energy Procedia. 2019 ; 卷 158. 頁 55-60.
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Safar, M, Lin, BJ, Chen, W-H, Langauer, D, Raclavska, H, Pétrissans, A & Pétrissans, M 2019, 'Effects of impregnated potassium on biomass torrefaction', Energy Procedia, 卷 158, 頁 55-60. https://doi.org/10.1016/j.egypro.2019.01.035

Effects of impregnated potassium on biomass torrefaction. / Safar, Michal; Lin, Bo Jhih; Chen, Wei-Hsin; Langauer, D.; Raclavska, H.; Pétrissans, Anélie; Pétrissans, Mathieu.

於: Energy Procedia, 卷 158, 01.01.2019, p. 55-60.

研究成果: Conference article

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AU - Safar, Michal

AU - Lin, Bo Jhih

AU - Chen, Wei-Hsin

AU - Langauer, D.

AU - Raclavska, H.

AU - Pétrissans, Anélie

AU - Pétrissans, Mathieu

PY - 2019/1/1

Y1 - 2019/1/1

N2 - Torrefaction is a pre-treatment process which can improve the properties of biomass, such as improving grindability, increasing heating value, and reducing the hygroscopic nature. Potassium is a well-known alkali catalyst in the thermal reactions of biomass. The influence of potassium on the devolatilization behavior was dependent on the amount of loading potassium. The aim of this study is to figure out the effect of potassium on the thermal degradation of biomass, the rubber wood sawdust was adopted as the feedstock, and the biomass sample was crushed and then dried in an atmospheric oven. Impregnation was used to prepare samples with different potassium ion content equably and adequately. Thereafter, the sample was torrefied by in a thermogravimetric analyser (TG) at different temperature (150, 20, 250, and 300 °C). The experimental results show that the addition potassium can significantly change the chemical kinetics, and further enhanced the thermal degradation of biomass during torrefaction.

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Safar M, Lin BJ, Chen W-H, Langauer D, Raclavska H, Pétrissans A 等. Effects of impregnated potassium on biomass torrefaction. Energy Procedia. 2019 1月 1;158:55-60. https://doi.org/10.1016/j.egypro.2019.01.035