Abstract:This paper exemplifies the beneficial use of CFD models coupled to mass transfer equations to optimize fine bubble aeration systems in closed-loop reactors. The models, previously validated at different scales (Fayolle et al. 2007), allow assessing the impact of the design and operating parameters on the oxygenation performances. In this article, the impact of different parameters is investigated: the arrangement of the grids of diffusers, the surface air flow rate and the axial liquid velocity. The increase i… Show more
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