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Influence of the flow regime on the efficiency of a gas-liquid two-phase medium filtration

✍ Scribed by M. Mercier; C. Fonade; C. Lafforgue-Delorme

Publisher
Springer-Verlag
Year
1995
Tongue
English
Weight
428 KB
Volume
9
Category
Article
ISSN
0951-208X

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✦ Synopsis

An easy technique, consisting in injecting air into the liquid stream, is proposed to enhance the permeate frux in crossjlow @ration of a model jluid (i.e a bentonite suspension). The injected air promotes turbulence and increases the superjfcial crossjlow velocity that leads to a regular disturbance ofthe boundav layer. A systematic study of'dif erent two-phase configurations points up that the slugjlow seems the most approprinte regime. The resulting permeate rate is increased up to 140'96, in comparison with the usualJiltration processes.

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