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Tunisian Olive Pomace Steam Gasification for Production of Syngas: A Thermodynamic Study Using Mathematica© and Aspen-plus®

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Design and Modeling of Mechanical Systems - V (CMSM 2021)

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Abstract

Equilibrium compositions of the product mixture obtained by steam gasification of Tunisian olive pomace are determined. A non-stoichiometric procedure, constrained Gibbs free energy minimization technique, is applied using Mathematica© as computing platform. The effect of temperature and steam to biomass ratio on the compositions of the producer gas is investigated in order to prospect the possibility of producing either hydrogen-rich syngas (hydrogen + carbon monoxide) or a syngas with appropriate H2/CO molar ratio. The studied process involves a complex system of reactions and the presence of solid carbon. Further, it can be carried out at various temperatures and pressures. The description of the fluid phase behaviour under such various conditions requires a real fluid formulation of the problem. For the determination of the residual Gibbs free energy of the fluid mixture as well as its compressibility factor (\(Z\)) we adopt therefore the Redlich-Kwong-Soave equation of state that we implemented in our Mathematica© code. Calculation results reveal that increasing temperature and/or steam to biomass ratio lead to an increase of hydrogen in the producer gas. It is further found that steam to biomass ratio is the most sensitive process parameter. The Mathematica© results are benchmarked against their counterparts obtained from ASPEN-PLUS®. The concordance between both computing tools is always excellent.

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Authors and Affiliations

  1. L.R. Thermique & Thermodynamique des Procédés Industriels, Ecole Nationale d’Ingénieurs de Monastir‒ENIM, University of Monastir, Monastir, Tunisia

    Rim Tilouche & Ahmed Bellagi

  2. Ecole Nationale d’Ingénieurs de Gabès‒ENIG, University of Gabès, Gabes, Tunisia

    Rim Tilouche

  3. L.R. Thermique & Thermodynamique des Procédés Industriels, National Institute of Applied Sciences and Technology, University of Carthage, Carthage, Tunisia

    Housam Binous

  4. Physics Department, Ecole Supérieur des Sciences et da la Technologie de Hammam Sousse ESSTHS, University of Sousse, Sousse, Tunisia

    Rawdha Garma

Authors
  1. Rim Tilouche
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  2. Rawdha Garma
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  3. Housam Binous
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  4. Ahmed Bellagi
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Corresponding author

Correspondence to Rim Tilouche .

Editor information

Editors and Affiliations

  1. National School of Engineers of Sfax (ENIS), Sfax, Tunisia

    Lassaad Walha

  2. College of Engineering, Jeddah University, Sfax, Tunisia

    Abdessalem Jarraya

  3. École Nationale d'Ingénieurs de Gabès, Zrig Gabes, Tunisia

    Fathi Djemal

  4. National Engineering School of Monastir (ENIM), Monastir, Tunisia

    Mnaouar Chouchane

  5. National Engineering School of Monastir (ENIM), Monastir, Tunisia

    Nizar Aifaoui

  6. Department of Mechanical Engineering, National School of Engineers of Sfax (ENIS), Sfax, Tunisia

    Fakher Chaari

  7. Sfax Preparatory Engineering Institute, Sfax, Tunisia

    Moez Abdennadher

  8. National Engineering School of Monastir (ENIM), Monastir, Tunisia

    Abdelmajid Benamara

  9. National School of Engineers of Sfax (ENIS), Sfax, Tunisia

    Mohamed Haddar

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Tilouche, R., Garma, R., Binous, H., Bellagi, A. (2023). Tunisian Olive Pomace Steam Gasification for Production of Syngas: A Thermodynamic Study Using Mathematica© and Aspen-plus®. In: Walha, L., et al. Design and Modeling of Mechanical Systems - V. CMSM 2021. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-031-14615-2_54

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  • DOI: https://doi.org/10.1007/978-3-031-14615-2_54

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-031-14614-5

  • Online ISBN: 978-3-031-14615-2

  • eBook Packages: EngineeringEngineering (R0)

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