External-loop airlift magnetically stabilized bed—minimum stabilization and fluidization conditions_中国颗粒学会

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Partic. vol. 3 no. 4 pp. 197-203 (August 2005)
doi: 10.1016/S1672-2515(07)60186-9

External-loop airlift magnetically stabilized bed—minimum stabilization and fluidization conditions

Jordan Hristov*

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jordan.hristov@mail.bg

Abstract

Experimental study of an airlift with a magnetically stabilized bed in the riser bottom has been performed. External magnetic field allows easy control of magnetized bed structure and liquid circulation rate. Minimum stabilization and fluidization conditions have been determined experimentally and by a three-line graphical method. Semi-empirical data correlations of sections of the experimental curves have been performed. Scaling relationships known from non-magnetic airlift are applicable too, but with the assumption that the magnetic field affects the loop friction coefficient only.

Keywords

minimum fluidization; magnetic field; stabilized beds; gas-liquid-solid fluidization; airlift reactor