Penetration of Porous Systems by Nonwetting Liquids

Wetting of porous systems and the corresponding penetration of liquids into single capillaries is one of the most important processes in process engineering. Wetting liquids with a contact angle smaller than 90° are penetrating spontaneously into capillaries. The presented study demonstrates that, u...

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Bibliographic Details
Published in:Chemical engineering & technology 2003-09, Vol.26 (9), p.962-966
Main Authors: Palzer, S., Sommer, K., Hiebl, C.
Format: Article
Language:English
Subjects:
Chemistry
Colloidal state and disperse state
Exact sciences and technology
General and physical chemistry
Porous materials
Wetting behavior
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Summary:Wetting of porous systems and the corresponding penetration of liquids into single capillaries is one of the most important processes in process engineering. Wetting liquids with a contact angle smaller than 90° are penetrating spontaneously into capillaries. The presented study demonstrates that, under certain conditions, even nonwetting liquids with contact angles larger than 90° can do so. Furthermore, it is shown that the time for such wetting processes can be calculated.
ISSN:0930-7516
1521-4125
DOI:10.1002/ceat.200303023