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2 2017

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Investigation of mixing time in liquid under influence of rotating magnetic field

Przybył A., Rakoczy R., Konopacki M., Kordas K., Drozd R., Fijałkowski K.

Chemical and Process Engineering

2017

Vol. 38, nr 4

555--565

The aim of the study was to present an experimental investigation of the influence of the RMF on mixing time. The obtained results suggest that the homogenization time for the tested experimental set-up depending on the frequency of the RMF can be worked out by means of the relationship between the dimensionless mixing time number and the Reynolds number. It was shown that the magnetic field can be applied successfully to mixing liquids.

Influence of rotating magnetic field on gas-liquid volumetric mass transfer coefficient

Rakoczy R., Konopacki M., Kordas M.

Chemical and Process Engineering

2017

Vol. 38, nr 3

423--432

The main objective of these experiments was to study the oxygen mass transfer rate through the volumetric mass transfer coefficient (kLa) for an experimental set-up equipped with a rotating magnetic field (RMF) generator and various liquids. The experimental results indicated that kLa increased along the magnetic strength and the superficial gas velocity. Mathematical correlations defining the influence of the considered factors on kLa were proposed.