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Effect of different pre-treatment methods on gasification properties of grass biomass

Author

Listed:
  • Sibiya, N.T.
  • Oboirien, B.
  • Lanzini, A.
  • Gandiglio, M.
  • Ferrero, D.
  • Papurello, D.
  • Bada, S.O.

Abstract

The effect of different pre-treatments method on the gasification efficiency of grass biomass have not previously been evaluated. In this study, the effect of three different pre-treatment methods on gasification properties of grass biomass was investigated under CO2 conditions. The pre-treatment methods were dry torrefaction, wet torrefaction, and leaching (chemical). The results obtained showed that the heating values increased by 2,77% in the leached grass, 8,3% in the dry torrefied grass and 13,5% in the wet torrefied grass. However, the wet torrefaction had the highest reactivity index of 0,25 followed by dry torrefaction 0,182, then leaching 0,156. The effect of the different pre-treatment on activation energy showed that the activation energy of raw grass biomass was reduced from 161,7 kJ/mol to 141.5 kJ/mol for leached grass, 124.3 kJ/mol for dry torrefied and 86.97 kJ/mol for wet torrefied grass. These results show that wet torrefaction can improve gasification properties significantly when compared to dry torrefaction and leaching. The pore structure and pore volume effect of treated biomass was likely the predominant reason for the better char reactivity and conversion during gasification of wet torrefied sample. The research supplied an insight into the effect of different pre-treatment methods on grass biomass gasification.

Suggested Citation

  • Sibiya, N.T. & Oboirien, B. & Lanzini, A. & Gandiglio, M. & Ferrero, D. & Papurello, D. & Bada, S.O., 2021. "Effect of different pre-treatment methods on gasification properties of grass biomass," Renewable Energy, Elsevier, vol. 170(C), pages 875-883.
    • Handle: RePEc:eee:renene:v:170:y:2021:i:c:p:875-883
    DOI: 10.1016/j.renene.2021.01.147
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    Cited by:

    1. Abdulyekeen, Kabir Abogunde & Umar, Ahmad Abulfathi & Patah, Muhamad Fazly Abdul & Daud, Wan Mohd Ashri Wan, 2021. "Torrefaction of biomass: Production of enhanced solid biofuel from municipal solid waste and other types of biomass," Renewable and Sustainable Energy Reviews, Elsevier, vol. 150(C).
    2. Antonios Nazos & Dorothea Politi & Georgios Giakoumakis & Dimitrios Sidiras, 2022. "Simulation and Optimization of Lignocellulosic Biomass Wet- and Dry-Torrefaction Process for Energy, Fuels and Materials Production: A Review," Energies, MDPI, vol. 15(23), pages 1-35, November.
    3. Dmitrii Glushkov & Galina Nyashina & Anatolii Shvets & Amaro Pereira & Anand Ramanathan, 2021. "Current Status of the Pyrolysis and Gasification Mechanism of Biomass," Energies, MDPI, vol. 14(22), pages 1-24, November.
    4. Yek, Peter Nai Yuh & Chen, Xiangmeng & Peng, Wanxi & Liew, Rock Keey & Cheng, Chin Kui & Sonne, Christian & Sii, How Sing & Lam, Su Shiung, 2021. "Microwave co-torrefaction of waste oil and biomass pellets for simultaneous recovery of waste and co-firing fuel," Renewable and Sustainable Energy Reviews, Elsevier, vol. 152(C).

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