Title

Examination of dispersed liquid-phase three-phase fluidized beds: Part 2: Porous, and non-spherical particle systems

RIS ID

27196

Publication Details

Wright, P. C. & Raper, J. A. (1999). Examination of dispersed liquid-phase three-phase fluidized beds: Part 2: Porous, and non-spherical particle systems. Powder Technology, 102 (1), 37-51.

Abstract

This paper, second in a series of two, examines the effect of liquid addition to beds of gas fluidizedporous and/or non-sphericalparticles. It is demonstrated that a pore network in even cohesion-sensitive particles delays stickiness upon the addition of liquids. A number of non-volatile silicone oils ranging in viscosity from 0.005 to 34.6 Ns m−2, as well as water, were added to a range of Geldart B and D particles in a conventional gas–solid fluidized bed. Liquid loadings of up to in excess of 220% (wet basis) have been tested. Capillary forces dominate the behaviour of Geldart B particles over a range of conditions, while Geldart D particles are somewhat influenced by viscous forces.

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Link to publisher version (DOI)

http://dx.doi.org/10.1016/S0032-5910(98)00203-4