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Dialysis study of diffusion in a flowing suspension

✍ Scribed by George C. Hsu; Robert G. Lindgren; Ying-Chee Chung; William H. Corcoran

Publisher
American Institute of Chemical Engineers
Year
1976
Tongue
English
Weight
580 KB
Volume
22
Category
Article
ISSN
0001-1541

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✦ Synopsis

Abstract

Comparison of solute concentrations at the outlet of a model dialyzer with values calculated from the appropriate convective diffusion equation yielded effective diffusion coefficients for mass transfer of sodium chloride in sherared suspensions of 37 to 74 ΞΌ spheres of a copolymer of styrene‐divinylbenzene. Significant mass transfer augmentation was observed over that attributable to molecular diffusion, and the effective diffusivity increased with increasing concentration of suspension but remained relatively constant with respect to shear rate over the experimental range.

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