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Modelling of Spouted and Spout-Fluid Beds: Key for Their Successful Scale Up

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  • Cristina Moliner

    (Dipartimento di Ingegneria Civile, Chimica e Ambientale (DICCA), Università degli Studi di Genova, Via Opera Pia 15, 16145 Genova, Italy)

  • Filippo Marchelli

    (Faculty of Sciences and Technology, Libera Università di Bolzano, Piazza Università 5, 39100 Bolzano, Italy)

  • Barbara Bosio

    (Dipartimento di Ingegneria Civile, Chimica e Ambientale (DICCA), Università degli Studi di Genova, Via Opera Pia 15, 16145 Genova, Italy)

  • Elisabetta Arato

    (Dipartimento di Ingegneria Civile, Chimica e Ambientale (DICCA), Università degli Studi di Genova, Via Opera Pia 15, 16145 Genova, Italy)

Abstract

The development of robust mathematical models could provide the necessary tools for a more rapid, efficient, and reliable spouted bed technology development. Computer simulations can be very useful to aid this design and scale-up process: firstly, they can contribute to obtain a fundamental insight into their complex dynamic behavior by understanding the elementary physical principles such as drag, friction, dissipation etc.; secondly, the simulations can be used as a design tool where the ultimate goal is to have a numerical model with predictive capabilities for gas-particle flows at engineering scale. Clearly, one single simulation method will not be able to achieve this goal, but a hierarchy of methods modelling phenomena on different length and time scales can achieve this. The most fruitful approach will be when they are simultaneously followed, so that they can mutually benefit from each other. In this sense, this paper presents a review of the current state of the art of modelling on spouted and spout-fluid beds through an analysis of recent literature following a multiscale approach (molecular and particle, lab, plant and industrial scale). The main features of the different scales together with their current limits are discussed and specific topics are highlighted as paths that still need to be explored. In summary, the paper aims to define the theoretical setline and the basis of improvement that would lead to a robust multiscale model with solid links between micro and macroscopic phenomena. If done with the correct balance between accuracy and computational costs it will gear SB towards their reliable and successful implementation.

Suggested Citation

  • Cristina Moliner & Filippo Marchelli & Barbara Bosio & Elisabetta Arato, 2017. "Modelling of Spouted and Spout-Fluid Beds: Key for Their Successful Scale Up," Energies, MDPI, vol. 10(11), pages 1-39, October.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:11:p:1729-:d:116747
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    References listed on IDEAS

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    1. Albina, D.O., 2006. "Emissions from multiple-spouted and spout-fluid fluidized beds using rice husks as fuel," Renewable Energy, Elsevier, vol. 31(13), pages 2152-2163.
    2. Banerjee, Subhodeep & Agarwal, Ramesh, 2015. "Transient reacting flow simulation of spouted fluidized bed for coal-direct chemical looping combustion with different Fe-based oxygen carriers," Applied Energy, Elsevier, vol. 160(C), pages 552-560.
    3. Lopez, Gartzen & Alvarez, Jon & Amutio, Maider & Arregi, Aitor & Bilbao, Javier & Olazar, Martin, 2016. "Assessment of steam gasification kinetics of the char from lignocellulosic biomass in a conical spouted bed reactor," Energy, Elsevier, vol. 107(C), pages 493-501.
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    Cited by:

    1. Sebastián Uribe & Binbin Qi & Omar Farid & Muthanna Al-Dahhan, 2020. "Mathematical Modeling and Pointwise Validation of a Spouted Bed Using an Enhanced Bed Elasticity Approach," Energies, MDPI, vol. 13(18), pages 1-22, September.
    2. Filippo Marchelli & Giorgio Rovero & Massimo Curti & Elisabetta Arato & Barbara Bosio & Cristina Moliner, 2021. "An Integrated Approach to Convert Lignocellulosic and Wool Residues into Balanced Fertilisers," Energies, MDPI, vol. 14(2), pages 1-15, January.
    3. Cortazar, M. & Lopez, G. & Alvarez, J. & Amutio, M. & Bilbao, J. & Olazar, M., 2018. "Advantages of confining the fountain in a conical spouted bed reactor for biomass steam gasification," Energy, Elsevier, vol. 153(C), pages 455-463.
    4. Arabiourrutia, Miriam & Lopez, Gartzen & Artetxe, Maite & Alvarez, Jon & Bilbao, Javier & Olazar, Martin, 2020. "Waste tyre valorization by catalytic pyrolysis – A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 129(C).
    5. Filippo Marchelli & Massimo Curti & Mattia Tognin & Giorgio Rovero & Cristina Moliner & Elisabetta Arato & Barbara Bosio, 2020. "Experimental Study on the Solids Residence Time Distribution in Multiple Square-Based Spouted Beds," Energies, MDPI, vol. 13(18), pages 1-13, September.

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