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Simple Model to Evaluate Loading/Flooding Transition in Aerated Vessels Stirred by Rushton Disc Turbines
Author(s) -
Paglianti Alessandro
Publication year - 2002
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.5450800409
Subject(s) - aeration , rushton turbine , impeller , mechanics , flooding (psychology) , continuous stirred tank reactor , moment (physics) , work (physics) , control theory (sociology) , environmental science , engineering , computer science , mechanical engineering , waste management , physics , classical mechanics , chemical engineering , psychology , control (management) , artificial intelligence , psychotherapist
Prediction of the flooding/loading transition in an aerated stirred tank is crucial for the correct design of aerated stirred tank reactors. Despite the importance of this problem, only semiempirical equations are available at the moment. This work provides a simple mechanistic model for predicting the flooding/ loading transition in stirred tank reactors equipped with Rushton turbines. This model could be a useful one, since it allows the user to scale‐up agitated vessels easily. It has only been tested for Rushton turbines, but because the model is based simply on mass balances, energy balances and continuity equations, it could also be used with other impellers after a few modifications.