Power consumption, mixing time and homogenisation energy in dual-impeller agitated gas–liquid reactors

The study relates to the power consumption, mixing time and mixing efficiency defined as the product of the mixing time and the power consumption in a non standard vessel equipped with various axial and mixed dual-impeller configurations. The effects of the rotational speed, gas flow rate, impeller...

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Bibliographic Details
Published in:Chemical engineering and processing 2001, Vol.40 (2), p.87-95
Main Authors: Bouaifi, Mounir, Roustan, Michel
Format: Article
Language:English
Subjects:
Dual-impeller
Homogenisation energy
Mixing time
Power consumption
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Summary:The study relates to the power consumption, mixing time and mixing efficiency defined as the product of the mixing time and the power consumption in a non standard vessel equipped with various axial and mixed dual-impeller configurations. The effects of the rotational speed, gas flow rate, impeller type and diameter are investigated. The mixing mechanisms are found strongly dependent on flow patterns, impeller type and diameter. Dimensionless correlations are proposed to predict power consumption and the mixing time beyond complete dispersion regime.
ISSN:0255-2701
1873-3204
DOI:10.1016/S0255-2701(00)00128-8