Abstract
Control of foaming in bioprocesses presents a dilemna, since a highly surface active heterogeneous system has to be adequately aerated and agitated while the bioreaction is proceeding without interruption. This paper deals with mechanisms of foam formation and destruction, causes and effects of foaming in bioprocesses and different methods of foam destruction and prevension. Special emphasis is given to chemical antifoaming agents and to the determination of their efficiencies. Important criteria for the choice of a suitable antifoaming agent are discussed. It is concluded that foam suppression or collapse is a result of a fine balance between the effects of various surface active agents. Therefore, in choosing and employing an antifoaming agent, the aim, foam suppression or collapse, should be well defined and the interactions between biomedia and the antifoaming agent should be experimentally determined. Finally, a few suggestions for future research are mentioned.
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© 1992 Springer Science+Business Media Dordrecht
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Vardar-Sukan, F. (1992). Foaming and its Control in Bioprocesses. In: Vardar-Sukan, F., Sukan, Åž.S. (eds) Recent Advances in Biotechnology. NATO ASI Series, vol 210. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-2468-3_6
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DOI: https://doi.org/10.1007/978-94-011-2468-3_6
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