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A new method of measurement of diffusivities of gases in liquids

✍ Scribed by H. Sovová; J. Procházka

Publisher
Elsevier Science
Year
1976
Tongue
English
Weight
779 KB
Volume
31
Category
Article
ISSN
0009-2509

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✦ Synopsis

A novel method of measurement of diffusivities of gases in liquids has been proposed consisting of measuring the rate of absorption of a gas into a laminar film of liquid flowing radially over the surface of a horizontal disc. The absorption cell works continuously with recirculation of liquid. The profile of velocities in the liquid film was investigated by photochromic technique and was found to be parabolic. A theoretical relationship has been formulated for the rate of absorption. The measurement of the rate of absorption of CO, into water and toluene has shown a good agreement with data from literature. The reproducibility is better than 5%.

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