Effect of Particle Tethering and Scale-up on Solid-Liquid Mass Transfer in Three-Phase Fluidized Beds of Light Particles

///Effect of Particle Tethering and Scale-up on Solid-Liquid Mass Transfer in Three-Phase Fluidized Beds of Light Particles
Effect of Particle Tethering and Scale-up on Solid-Liquid Mass Transfer in Three-Phase Fluidized Beds of Light Particles 2016-10-25T11:54:29+00:00

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Effect of Particle Tethering and Scale-up on Solid-Liquid Mass Transfer in Three-Phase Fluidized Beds of Light Particles

Song, J., Hyndman, C.L. and Kantzas, A.

DOI: 10.1002/cjce.5450790413
Canadian Journal of Chemical Engineering, 79(4), August 2001, Pages 557-563.

ABSTRACT

Solid–liquid mass transfer in three-phase fluidized beds with low-density particles was studied using a tethered benzoic acid particle dissolution technique. Two columns with air, water and polypropylene cylinders were used for experiments. The solid–liquid mass transfer coefficient was found to increase with column diameter but decrease with tether length. The effect of tethering on solid particle movements was also evaluated using radioactive particle tracking (RPT) technique. RPT showed that tethered particles exhibited slower movements. Statistical analysis suggests that tether lengths 3 times the column radius are sufficient to reduce the effects of tethering.

A full version of this paper is available on Wiley Online.

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