Mass transfer in a gas-solid packed column at trickle flow

Share/Save/Bookmark

Roes, A.W.M. and Swaaij, W.P.M. van (1979) Mass transfer in a gas-solid packed column at trickle flow. Chemical Engineering Journal, 18 (1). pp. 29-37. ISSN 0300-9467

open access
[img]
Preview
PDF
719kB
Abstract:The height of an overall transfer unit has been evaluated in a gas—solid packed column at trickle flow by measuring column performance during steady state adsorption experiments. Results have been interpreted with an extraction model: mass transfer and axial dispersion in both phases. Using Bodenstein numbers for the gas and solid phases from a previous investigation the height of a true transfer unit has been calculated.

The column was filled with dumped Pall rings, the solid phase was a freely flowing catalyst carrier, and the gas phase was air at ambient conditions containing freon-12 as adsorbing component.

At low gas velocities column performance is entirely determined by axial dispersion but at higher gas velocities mass transfer limitations become important. For conditions of practical importance the height of a true transfer unit corresponds to 4 – 9 Pall ring layers.
Item Type:Article
Copyright:© 1979 Elsevier Science
Faculty:
Science and Technology (TNW)
Research Group:
Link to this item:http://purl.utwente.nl/publications/68471
Official URL:http://dx.doi.org/10.1016/0300-9467(79)80011-8
Export this item as:BibTeX
EndNote
HTML Citation
Reference Manager

 

Repository Staff Only: item control page