Estimation of the efficiency of packed mass-transfer devices

The problems of assessing the effectiveness of packed mass-transfer devices in relation to distillation processes have been considered. The authors have shown that the existing dependences of determining the height equivalent to a theoretical plate cannot be used to calculate tray columns and column...

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Bibliographic Details
Published in:Theoretical foundations of chemical engineering 2017-05, Vol.51 (3), p.341-347
Main Authors: Polyanski, A. V., Blinichev, V. N., Chagin, O. V., Kravchik, Ya
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Coefficients
Computational efficiency
Computing time
Devices
Distillation
Distilled water
Equivalence
Fluid flow
Industrial Chemistry/Chemical Engineering
Mass transfer
Mathematical analysis
Phases
Vortices
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Summary:The problems of assessing the effectiveness of packed mass-transfer devices in relation to distillation processes have been considered. The authors have shown that the existing dependences of determining the height equivalent to a theoretical plate cannot be used to calculate tray columns and columns with vortex packings, the contact surfaces of the phases and coefficients of mass transfer of which depend substantially on the water concentration (reflux ratio) and gas rate (vapor for distillation).
ISSN:0040-5795
1608-3431
DOI:10.1134/S0040579517030101