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JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
Vol. 38 (2005) No. 9 P 757-762

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http://doi.org/10.1252/jcej.38.757

Biochemical, Food and Medical Engineering

Microbubble can extreamly enhance the gas–liquid mass transfer because of the increase in interfacial surface. For these characteristics, microbubble technologies have been widely applied to many technologies in recent years. In this work, we tried to apply a microbubble aeration technology to cultivation for aerobic yeast. Rhodoturula mucilaginosa YR-2 was used as yeast and cultivated. As a result, it revealed that it was possible to cultivate at a very low flow rate of microbubble aeration, which was between 1/100 and 1/10 of the gas flow rate required at conventional aeration by a sparger.

Copyright © 2005 The Society of Chemical Engineers, Japan

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