SEGREGATION MECHANISMS AND THEIR QUANTIFICATION USING SEGREGATION TESTERS

In handling particulate materials with broad size distributions, or mixtures of such materials with components exhibiting differences in physical properties, one often encounters a phenomenon called segregation. Segregation is a tendency for certain sizes, or components with similar properties, to preferentially collect in one or another physical zone of a collective. This tendency to separate into different zones is largely caused by differences in mobility. The extent of the separation is dependent on a number for factors, including the physical characteristics of the particles in the mixture. The extent of differences between these characteristics, the process conditions, such as the rate of fill or the height of fill, and the handling regime that is encountered by the particles in the particular process being considered, will all have an influence on the segregation that will take place.

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