Abstract
ABSTRACT A pilot plant size extraction column filled with regular SMV Sulzer packing has been built and operated with different liquid systems. In comparison to conventional (random) packings extremely large specific throughputs and good efficiency were observed. The column behaves more like a spray column but without bulk circulation; backmixing is reduced to acceptable levels and mass transfer rates are higher. Measured concentration profiles were well predicted by computer simulation using a lumped parameter model assuming noncoalescing drops passing through a cascade of well mixed stages with backmixing.
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