Foam Generation in Rotor-Stator Mixers


Kroezen, A.B.J. and Groot Wassink, J. (1986) Foam Generation in Rotor-Stator Mixers. Journal of the Society of Dyers and Colourists, 102 (12). pp. 397-402. ISSN 0037-9859

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Abstract:One of the unit operations in foam technology is foam generation in a liquid/gas mixer. The foaming process of an aqueous liquid system with a surface-active agent in a rotor-stator mixer has been studied, and it was found that it could be represented by a mixing characteristic relating the liquid flow rate to the maximum gas flow rate needed to produce a foam without 'blow-by'. Too high a gas flow rate resulted in a short-circuiting flow of gas via the rotor shaft to the outlet. The influence of the number of rotor-stator blades, equipment size and operating pressure on the behaviour of the foam mixer has been investigated.
Item Type:Article
Copyright:© 1986 Wiley InterScience
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