#6904. Mass transfer intensification between fluidizing gas and Geldart-B nonmagnetizable particles in magnetized fluidized bed

December 2026publication date
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4 total number of authors per manuscript0 $

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Journal’s subject area:
Chemical Engineering (all);
Environmental Engineering;
Biotechnology;
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Abstract:
This work aimed to intensify the mass transfer between fluidizing gas and Geldart-B nonmagnetizable particles by simultaneously introducing magnetizable particles and applying the magnetic field. The mere addition of magnetizable particles hardly affected the interphase mass transfer. Moreover, such mass transfer was not improved by the subsequent application of the magnetic field under the magnetization-LAST operation mode. However, the mass transfer was significantly enhanced by the magnetic field in the magnetic stabilization and transition flow regimes under the magnetization-FIRST operation mode. Apparently, the mass transfer intensification depended not only on the magnetic field intensify (H) but also on the operation mode. The gas–solid contact performance in the magnetic stabilization flow regime was always comparable to that in fixed beds. Hence, further increases in H could not raise the magnitude of intensification but only increase the operating range and stability of the magnetic stabilization, which was in metastable equilibrium.
Keywords:
intensification; interphase mass transfer; magnetic stabilization; magnetized fluidized bed; nonmagnetizable particles

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