Aggregate behaviour of liquid fluidised beds | Zendy

Gibilaro L.G. | Zendy; Hossain I. | Zendy; Foscolo P.U. | Zendy

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Aggregate behaviour of liquid fluidised beds

Author(s) -

Gibilaro L.G.,

Hossain I.,

Foscolo P.U.

Publication year - 1986

Publication title -

the canadian journal of chemical engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.404

H-Index - 67

eISSN - 1939-019X

pISSN - 0008-4034

DOI - 10.1002/cjce.5450640607

Subject(s) - aggregate (composite) , particle (ecology) , materials science , particle density , particle size , particle aggregation , thermodynamics , chemistry , nanotechnology , physics , volume (thermodynamics) , nanoparticle , geology , oceanography

New and long published experimental observations of the onset of aggregate (bubbling) behaviour in liquid fluidised beds are shown to be in agreement with the predictions of a recently published model of the fluidisation process. For a given liquid, the transition from particulate to aggregate fluidisation depends on both the density and size of the suspended particles: the lower the particle density the larger is the size necessary for a transition to occur: thus for fluidisation by ambient water, lead particles larger than 200 μm and soda glass particles larger than 2000 μm will exhibit aggregate behaviour; below a critical particle density no such transition is possible.

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