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Mass transfer in packed beds at low Reynolds numbers

✍ Scribed by J.A. Mandelbaum; U. Böhm

Publisher
Elsevier Science
Year
1973
Tongue
English
Weight
573 KB
Volume
28
Category
Article
ISSN
0009-2509

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✦ Synopsis

Mass transfer coefficients for packed beds of Raschii rings were measured by the electrochemical technique in the low Reynolds number range, where both, free and forced convection are important.

From the analysis of the governing basic equations the parameters controlling the combined Bee and forced convection mass transfer were found to be Sh/(ScGr)"' and Re/Gr"*. The experimental results were correlated in terms of these variables for both, aiding and opposing flows.

Satisfactorv anmement was found when commuing previous mass transfer data for widely varying <systems with the proposed expressions.

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Mass transfer in liquid-fluidized beds a
Mass transfer in liquid-fluidized beds at low reynolds numbers
✍ T. Koloini; M. Sopčič; M. Žumer 📂 Article 📅 1977 🏛 Elsevier Science 🌐 English ⚖ 453 KB

The mass transfer data measured m the hqmd flmd& beds of ion exchange resms m the Reynolds number range 0 22-6 4 are presented A comparison was made between the experunental results and the values predlcted by the recent theory of Nelson and Galloway and by the moddied theory proposed by Rowe The ob