Abstract
Even though high viscosity media are processed in a number of industries such as the chemical, pharmaceutical, petrochemical, and food industries, info Highly viscous media are processed in a number of industries but their mass transfer characteristics are hardly known. This study was started to partia 1. 1. bubble formation zone, 2. 2. bubble rising zone, 3. 3. droplet formation zone. The results show that the mass flows in these zones differ considerably, with the mass transfer in the droplet zone playing the dominant role. According to our results, an increasing viscosity leads to a large reduction in mass transfer which levels out for viscosities larger than 60 mPa s. Th The evaluation of high speed photographs shows no effect of liquid viscosity on either the average bubble or droplet size. Since the bubble formation f For viscosities less than 60 mPa s this effect can be partially compensated for by installing an additional layer of packing above the two-phase fluid.
Published Version
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