Publication Date:
2015-12-12
Description:
Homogenous dispersion of particles is crucial for many processes where reaction rate is highly dependent on relative rates of mixing or degree of homogenization. These processes include crystallization, polymerization, and some minerals refining processes. In this study, complete particle dispersion in high-concentration slurries is researched experimentally and numerically. Computation fluid dynamics (CFD) results suggest that cloud height is found to be an excellent indicator for mixing homogeneity, and enhanced energy efficiency can be accomplished by removing baffles over a range of solids concentration at the complete dispersion condition. We demonstrate that power required to maintain high cloud height in a large industrial tank can be predicted via a simple power-number analysis. We also show that the proposed unbaffled design can be potentially beneficial to some industrial processes (e.g., crystallization).
Print ISSN:
0930-7516
Electronic ISSN:
1521-4125
Topics:
Chemistry and Pharmacology
,
Process Engineering, Biotechnology, Nutrition Technology
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