Effect of number of turbine impellers on surface aeration in laboratory fermentor

descriptionPublicationkeyboard_double_arrow_right Article 20 Jun 1989 English Publisher:WileyJournal:Biotechnology and Bioengineering, volume 34, pages 207-213 (issn: 0006-3592, eissn: 1097-0290,

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Authors: V, Veljković; D, Skala;

doi: 10.1002/bit.260340209

pmid: 18588094

Effect of number of turbine impellers on surface aeration in laboratory fermentor

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Abstract

AbstractThe effect of one and two four‐flat‐bladed turbine impellers on the surface aeration intensity in a laboratory tormentor was investigated at different agitation speeds and sparge rates. The surface aeration was found to be generally more intensive with two impellers for the same other operating conditions because of higher power consumption and the position of the upper impeller closer to the free liquid surface. The surface aeration intensity was successfully correlated in terms of power consumption and sparge rate. The aeration number alone cannot be used for general predicting surface aeration intensities.

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University of Belgrade
Serbia

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