Hydrodynamic Model and Kinetics of Dispersion of a Solid Disperse Phase in the Process of Mixing in a Viscous Liquid Medium

A hydrodynamic model of the dispersion of the solid particles of pigments in a liquid in an apparatus with a high-speed stirrer (a dissolver) designed for the production of finely dispersed and readily dispersible pigments, which can be used as a preliminary stage of the dispersion of pigments in a...

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Bibliographic Details
Published in:Journal of engineering physics and thermophysics 2023, Vol.96 (1), p.29-38
Main Authors: Elizarov, D. V., Elizarov, V. V.
Format: Article
Language:English
Subjects:
Classical Mechanics
Complex Systems
Dissolvers
Engineering
Engineering Thermodynamics
Heat and Mass Transfer
Industrial Chemistry/Chemical Engineering
Kinetics
Pigments
Process parameters
Thermodynamics
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Summary:A hydrodynamic model of the dispersion of the solid particles of pigments in a liquid in an apparatus with a high-speed stirrer (a dissolver) designed for the production of finely dispersed and readily dispersible pigments, which can be used as a preliminary stage of the dispersion of pigments in a liquid in which their concentration is high, is proposed. The kinetics of dispersion of solid particles in the process of their mixing in a liquid was investigated. It is shown that the time and rate of dispersion of solid particles in a liquid are dependent on the hydrodynamic and technological parameters of the process. Methods of increasing the output of dissolvers are proposed.
ISSN:1062-0125
1573-871X
DOI:10.1007/s10891-023-02658-4