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Biomass to Syngas: Modified Stoichiometric Thermodynamic Models for Downdraft Biomass Gasification

Author

Listed:
  • Hafiz Muhammad Uzair Ayub

    (Department of Chemical and Biochemical Engineering, Dongguk University, 30, Pildong-ro 1-gil, Jung-gu, Seoul 04623, Korea)

  • Sang Jin Park

    (Department of Chemical and Biochemical Engineering, Dongguk University, 30, Pildong-ro 1-gil, Jung-gu, Seoul 04623, Korea)

  • Michael Binns

    (Department of Chemical and Biochemical Engineering, Dongguk University, 30, Pildong-ro 1-gil, Jung-gu, Seoul 04623, Korea)

Abstract

To help meet the global demand for energy and reduce the use of fossil fuels, alternatives such as the production of syngas from renewable biomass can be considered. This conversion of biomass to syngas is possible through a thermochemical gasification process. To design such gasification systems, model equations can be formulated and solved to predict the quantity and quality of the syngas produced with different operating conditions (temperature, the flow rate of an oxidizing agent, etc.) and with different types of biomass (wood, grass, seeds, food waste, etc.). For the comparison of multiple different types of biomass and optimization to find optimal conditions, simpler models are preferred which can be solved very quickly using modern desktop computers. In this study, a number of different stoichiometric thermodynamic models are compared to determine which are the most appropriate. To correct some of the errors associated with thermodynamic models, correction factors are utilized to modify the equilibrium constants of the methanation and water gas shift reactions, which allows them to better predict the real output composition of the gasification reactors. A number of different models can be obtained using different correction factors, model parameters, and assumptions, and these models are compared and validated against experimental data and modelling studies from the literature.

Suggested Citation

  • Hafiz Muhammad Uzair Ayub & Sang Jin Park & Michael Binns, 2020. "Biomass to Syngas: Modified Stoichiometric Thermodynamic Models for Downdraft Biomass Gasification," Energies, MDPI, vol. 13(20), pages 1-14, October.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:20:p:5383-:d:428588
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    References listed on IDEAS

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    1. Michael Binns & Hafiz Muhammad Uzair Ayub, 2021. "Model Reduction Applied to Empirical Models for Biomass Gasification in Downdraft Gasifiers," Sustainability, MDPI, vol. 13(21), pages 1-14, November.
    2. Marco Puglia & Nicolò Morselli & Simone Pedrazzi & Paolo Tartarini & Giulio Allesina & Alberto Muscio, 2021. "Specific and Cumulative Exhaust Gas Emissions in Micro-Scale Generators Fueled by Syngas from Biomass Gasification," Sustainability, MDPI, vol. 13(6), pages 1-13, March.
    3. Jacek Grams, 2022. "Upgrading of Lignocellulosic Biomass to Hydrogen-Rich Gas," Energies, MDPI, vol. 16(1), pages 1-5, December.
    4. María Pilar González-Vázquez & Fernando Rubiera & Covadonga Pevida & Daniel T. Pio & Luís A.C. Tarelho, 2021. "Thermodynamic Analysis of Biomass Gasification Using Aspen Plus: Comparison of Stoichiometric and Non-Stoichiometric Models," Energies, MDPI, vol. 14(1), pages 1-17, January.
    5. Zhang, Jinchun & Hou, Jinxiu & Zhang, Zichuan, 2022. "Real-time identification of out-of-control and instability in process parameter for gasification process: Integrated application of control chart and kalman filter," Energy, Elsevier, vol. 238(PB).
    6. Silva, Isabelly P. & Lima, Rafael M.A. & Santana, Hortência E.P. & Silva, Gabriel F. & Ruzene, Denise S. & Silva, Daniel P., 2022. "Development of a semi-empirical model for woody biomass gasification based on stoichiometric thermodynamic equilibrium model," Energy, Elsevier, vol. 241(C).
    7. Hafiz Muhammad Uzair Ayub & Sang Jin Park & Michael Binns, 2020. "Biomass to Syngas: Modified Non-Stoichiometric Thermodynamic Models for the Downdraft Biomass Gasification," Energies, MDPI, vol. 13(21), pages 1-17, October.
    8. Fariha Kanwal & Ashfaq Ahmed & Farrukh Jamil & Sikander Rafiq & H. M. Uzair Ayub & Moinuddin Ghauri & M. Shahzad Khurram & Shahid Munir & Abrar Inayat & Muhammad S. Abu Bakar & Surendar Moogi & Su Shi, 2021. "Co-Combustion of Blends of Coal and Underutilised Biomass Residues for Environmental Friendly Electrical Energy Production," Sustainability, MDPI, vol. 13(9), pages 1-21, April.
    9. Valentina Segneri & Jean Henry Ferrasse & Antonio Trinca & Giorgio Vilardi, 2022. "An Overview of Waste Gasification and Syngas Upgrading Processes," Energies, MDPI, vol. 15(17), pages 1-7, September.
    10. Rafail Isemin & Fouzi Tabet & Artemy Nebyvaev & Vadim Kokh-Tatarenko & Sergey Kuzmin & Oleg Milovanov & Dmitry Klimov & Alexander Mikhalev & Semen Dobkin & Yuri Zhulaev, 2022. "Prediction of the Behavior of Sunflower Husk Ash after Its Processing by Various Torrefaction Methods," Energies, MDPI, vol. 15(20), pages 1-14, October.
    11. M. Shahabuddin & Sankar Bhattacharya, 2021. "Co-Gasification Characteristics of Coal and Biomass Using CO 2 Reactant under Thermodynamic Equilibrium Modelling," Energies, MDPI, vol. 14(21), pages 1-12, November.

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