KONA Powder and Particle Journal
Online ISSN : 2187-5537
Print ISSN : 0288-4534
ISSN-L : 0288-4534
Review
Mixing of Particulate Solids
Karl Sommer
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JOURNALS OPEN ACCESS

1996 Volume 14 Pages 73-78

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Abstract

Solids mixing refers to the blending of particulate components differing in one of their properties. To compare mix and mixer theoretical standard deviation σ is defined as the mixing quality. To simulate the stochastic mixing process the Fokker-Planck-Equation is used. Similar simulations described in the literature up to now, in which the transport coefficient is determined from the throughput, are not generally valid. It could be shown with the modified method that the mixing results depend only on the relationship between the residence time and the fluctuation time of the feed material streams.
A model, based on a suggestion of Schulze, is useful to simulate deterministic silo mixers. The experiments confirm the results of the simulations.

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