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ISSN electronic edition: 1336-9075
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Mass Transfer in Mixing Processes

L. Chriašteľ

Department of Chemical Machines, Faculty of Mechanical Engineering, Slovak University of Technology, SK-812 37 Bratislava

 

E-mail: chriastel@sjf.stuba.sk

Abstract: Oxygen transfer in mixing process in equipment with mechanical mixing was searched. The tests were performed in a glass vessel of 30 dm3 liquid content with a loop mixer equipment. The obtained results have shown a good concordance with the values published in the literature, but at higher revolution frequencies the loop mixer exhibits better oxygen transport properties.In the case when the oxygen electrode has a long time delay, a different procedure for the oxygen transfer coefficients evaluation was proposed and the results thus obtained axe in a good conformity with the values calculated according to the method published in the literature. The measured values were elaborated into a nondimensional dependence.

Full paper in Portable Document Format: 553a167.pdf

 

Chemical Papers 55 (3) 167–174 (2001)

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