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Thermogravimetric analysis and kinetic study of poplar wood pyrolysis

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  • Slopiecka, Katarzyna
  • Bartocci, Pietro
  • Fantozzi, Francesco

Abstract

Poplar cultivated with Short Rotation Forestry (SRF) technique could be an important source of biomass. This dedicated crop could be produced to obtain solid biofuel transformed through combustion, pyrolysis or gasification into heat and power in CHP plants. In this work a kinetic study of the slow pyrolysis process of poplar wood (populus L.) is investigated with a thermogravimetric analyzer. A comparison of selected non-isothermal methods for analyzing solid-state kinetics data is presented. The weight loss was measured by TGA in nitrogen atmosphere. The samples were heated over a range of temperature from 298K to 973K with four different heating rates of 2, 5, 10, 15Kmin−1. The results obtained from thermal decomposition process indicate that there are three main stages such as dehydration, active and passive pyrolysis. In the DTG thermograms the temperature peaks at maximum weight loss rate changed with increasing heating rate. The activation energy and pre-exponential factor obtained by Kissinger method are 153.92kJmol−1 and 2.14×1012min−1, while, the same average parameters calculated from FWO and KAS methods are 158.58 and 157.27kJmol−1 and 7.96×1013 and 1.69×1013min−1, respectively. The results obtained from the first method represented actual values of kinetic parameters which are the same for the whole pyrolysis process, while the KAS and FWO methods presented apparent values of kinetic parameters, because they are the sum of the parameters of the physical processes and chemical reaction that occur simultaneously during pyrolysis. Experimental results showed that values of kinetic parameters obtained from three different methods are in good agreement, but KAS and FWO methods are more efficient in the description of the degradation mechanism of solid-state reactions. The devolatilization process was mathematically described by first order single reaction. The results of the kinetic study can be used in modeling devolatilization process through computational fluid dynamics (CFDs) to simulate mass and energy balances.

Suggested Citation

  • Slopiecka, Katarzyna & Bartocci, Pietro & Fantozzi, Francesco, 2012. "Thermogravimetric analysis and kinetic study of poplar wood pyrolysis," Applied Energy, Elsevier, pages 491-497.
  • Handle: RePEc:eee:appene:v:97:y:2012:i:c:p:491-497 DOI: 10.1016/j.apenergy.2011.12.056
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    References listed on IDEAS

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    1. Goyal, H.B. & Seal, Diptendu & Saxena, R.C., 2008. "Bio-fuels from thermochemical conversion of renewable resources: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 12(2), pages 504-517, February.
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    1. Paethanom, A. & Bartocci, P. & D’ Alessandro, B. & D’ Amico, M. & Testarmata, F. & Moriconi, N. & Slopiecka, K. & Yoshikawa, K. & Fantozzi, F., 2013. "A low-cost pyrogas cleaning system for power generation: Scaling up from lab to pilot," Applied Energy, Elsevier, pages 1080-1088.
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    3. Yuan, Xinsong & He, Tao & Cao, Hongliang & Yuan, Qiaoxia, 2017. "Cattle manure pyrolysis process: Kinetic and thermodynamic analysis with isoconversional methods," Renewable Energy, Elsevier, pages 489-496.
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    6. Yang, Y. & Brammer, J.G. & Wright, D.G. & Scott, J.A. & Serrano, C. & Bridgwater, A.V., 2017. "Combined heat and power from the intermediate pyrolysis of biomass materials: performance, economics and environmental impact," Applied Energy, Elsevier, vol. 191(C), pages 639-652.
    7. Anukam, Anthony & Mamphweli, Sampson & Reddy, Prashant & Meyer, Edson & Okoh, Omobola, 2016. "Pre-processing of sugarcane bagasse for gasification in a downdraft biomass gasifier system: A comprehensive review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 66(C), pages 775-801.
    8. Kabir, G. & Hameed, B.H., 2017. "Recent progress on catalytic pyrolysis of lignocellulosic biomass to high-grade bio-oil and bio-chemicals," Renewable and Sustainable Energy Reviews, Elsevier, vol. 70(C), pages 945-967.
    9. Garcia-Maraver, Angela & Perez-Jimenez, Jose A. & Serrano-Bernardo, Francisco & Zamorano, Montserrat, 2015. "Determination and comparison of combustion kinetics parameters of agricultural biomass from olive trees," Renewable Energy, Elsevier, pages 897-904.
    10. Papari, Sadegh & Hawboldt, Kelly, 2015. "A review on the pyrolysis of woody biomass to bio-oil: Focus on kinetic models," Renewable and Sustainable Energy Reviews, Elsevier, vol. 52(C), pages 1580-1595.
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    12. Siew, Kah Weng & Lee, Hua Chyn & Gimbun, Jolius & Chin, Sim Yee & Khan, Maksudur R. & Taufiq-Yap, Yun Hin & Cheng, Chin Kui, 2015. "Syngas production from glycerol-dry(CO2) reforming over La-promoted Ni/Al2O3 catalyst," Renewable Energy, Elsevier, pages 441-447.
    13. Huang, Y.F. & Chiueh, P.T. & Kuan, W.H. & Lo, S.L., 2013. "Pyrolysis kinetics of biomass from product information," Applied Energy, Elsevier, pages 1-8.
    14. repec:eee:appene:v:198:y:2017:i:c:p:320-331 is not listed on IDEAS
    15. Almendros, A.I. & Blázquez, G. & Ronda, A. & Martín-Lara, M.A. & Calero, M., 2017. "Study of the catalytic effect of nickel in the thermal decomposition of olive tree pruning via thermogravimetric analysis," Renewable Energy, Elsevier, pages 825-835.
    16. Manos, Basil & Bartocci, Pietro & Partalidou, Maria & Fantozzi, Francesco & Arampatzis, Stratos, 2014. "Review of public–private partnerships in agro-energy districts in Southern Europe: The cases of Greece and Italy," Renewable and Sustainable Energy Reviews, Elsevier, vol. 39(C), pages 667-678.
    17. Wenjia Jin & Kaushlendra Singh & John Zondlo, 2013. "Pyrolysis Kinetics of Physical Components of Wood and Wood-Polymers Using Isoconversion Method," Agriculture, MDPI, Open Access Journal, pages 1-21.
    18. López-González, D. & Fernandez-Lopez, M. & Valverde, J.L. & Sanchez-Silva, L., 2014. "Gasification of lignocellulosic biomass char obtained from pyrolysis: Kinetic and evolved gas analyses," Energy, Elsevier, vol. 71(C), pages 456-467.
    19. Liang, Yue-gan & Cheng, Beijiu & Si, You-bin & Cao, De-ju & Jiang, Hai-yang & Han, Guo-min & Liu, Xiao-hong, 2014. "Thermal decomposition kinetics and characteristics of Spartina alterniflora via thermogravimetric analysis," Renewable Energy, Elsevier, pages 111-117.

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    Keywords

    TGA; Kinetics; Biomass; Model-free methods;

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