University of Cambridge > Talks.cam > Chemical Engineering and Biotechnology Departmental Seminars > Foam Fractionation of Biosurfactants

Foam Fractionation of Biosurfactants

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Separation technologies which take advantage of the high gas-liquid interfacial areas available in foams have found widespread application. For example, the attachment of fine hydrophobic particles to foam interfaces is the basis of froth flotation and is used to process some 2 billion tonnes of mineral ores annually. Foam fractionation is froth flotation’s cousin, being based on the adsorption of surface active molecules to foam interfaces, but for the past 50 years has been the poor relation. However, the growth of biotechnology and the need for economical means of separating surface active molecules produced by living organisms (biosurfactants) will change this and has led to renewed interest in developing foam fractionation technology. This presentation will deliver an overview of foam fractionation and its integration with fermentation, with emphasis on recent work into surfactin production.

This talk is part of the Chemical Engineering and Biotechnology Departmental Seminars series.

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