Break-up of droplets in Karr reciprocating plate extraction column |
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| Affiliation: | 1. Chair for Strategy and Organization, TUM School of Management, Technical University of Munich (TUM), Munich, Germany;2. Private University Seeburg Castle, Seekirchen am Wallersee, Austria;3. Munich Center for Technology in Society (MCTS), Munich, Germany;4. Bavarian State Institute for Higher Education Research and Planning, Munich, Germany;1. Department of Pharmacology and Immunotherapy, Veterinary Research Institute, Brno, Czech Republic;2. International Clinical Research Center, St. Anne''s University Hospital Brno, Brno, Czech Republic;3. Institute of Pharmaceutical Science, King''s College London, London, United Kingdom;4. School of Medical Science, Griffith University, Southport, Qld, Australia;5. Institute of Biotechnology, Academy of Sciences of the Czech Republic, Prague, Czech Republic |
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| Abstract: | The breaking rate of individual drops was investigated in a Karr type reciprocating plate extraction column. The binary systems used were: water-1,2-dichloroethane, water-toluene and water-n-butanol. The breakage probability and the conditional probability of breaking-up into a given number of daughter droplets, as well as the drop size distribution of daughter droplets, were the measured characteristics. Relations between the breakage probabilities and the breakage frequency were derived.A mathematical model of the frequency of breaking-up into > and more droplets developed was based on the assumption that collisions with turbulent eddies of the Kolmogoroff region of universal equilibrium are responsible for the process. A probabilistic model of daughter drop size distribution was also derived in the form of a β-distribution. The models were compared with experimental results and a good agreement was obtained. |
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