Mixing time studies in multiple impeller agitated reactors

Kasat, Gopal R. ; Pandit, Aniruddha B. (2004) Mixing time studies in multiple impeller agitated reactors The Canadian Journal of Chemical Engineering, 82 (5). pp. 892-904. ISSN 0008-4034

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/cjce.54...

Related URL: http://dx.doi.org/10.1002/cjce.5450820504


Mixing time studies have been carried in a 0.3m diameter and 0.9m tall vessel equipped with three impellers. Conductivity measurement technique has been used for the measurements of mixing time. Effect of the various parameters i.e. tracer density, tracer volume, speed of rotation and impeller combination on mixing time has been studied for two impeller combinations used viz. PTD-PTD-PTD and PTD-PTD-DT. A compartment model (with one fitted parameter, the exchange flow rate QE) with single compartment per agitation stage has been used to predict the conductivity response and the exchange coefficients are calculated from the model parameter. An attempt has been made to explain the experimental results on the basis of the liquid phase axial dispersion coefficient and cell residence time, calculated from the model parameter QE.

Item Type:Article
Source:Copyright of this article belongs to John Wiley and Sons.
Keywords:Multiple Impeller System; Mixing Time; Compartment Model; Exchange Flow Rates; Axial Dispersion
ID Code:39576
Deposited On:14 May 2011 08:04
Last Modified:14 May 2011 08:04

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