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A NEW SCALING STRATEGY OF BUBBLING FLUIDIZED BED REACTORS BASED ON POPULATION-BALANCE MODEL
  • +2
  • Robert Macias,
  • Juan Maya,
  • Farid Chejne,
  • Carlos Londoño,
  • Javier De La Cruz
Robert Macias
Universidad Nacional de Colombia Sede Medellin

Corresponding Author:rjmacias@unal.edu.co

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Juan Maya
Universidad Nacional de Colombia Sede Medellin
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Farid Chejne
Universidad Nacional de Colombia Sede Medellin
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Carlos Londoño
Universidad Nacional de Colombia Sede Medellin
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Javier De La Cruz
Universidad Nacional de Colombia Sede Medellin
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Abstract

This work proposes a new strategy for the scaling of bubbling fluidized bed reactors. This strategy is based on the bubble size distribution, bubble coalescence phenomenon, and the chemical reactivity, allowing to deduct the dimensionless number Chejne-Macias-Maya that must remain constant at different scales to guarantee the fluidization regime. The proposed strategy is validated from computational simulations carried out at different operating conditions. Additionally, limits for the validity of this scaling strategy were determined, which agrees with those reported in the literature.