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Partial Wetting in Capillary Liquid Absorption by Limestones

โœ Scribed by Sarah C. Taylor; Christopher Hall; William D. Hoff; Moira A. Wilson

Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
97 KB
Volume
224
Category
Article
ISSN
0021-9797

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โœฆ Synopsis

We report measurements of the capillary absorption (imbibition) of water, n-heptane, n-decane, n-dodecane, methanol, ethanol, propan-2-ol, and ethanol-water mixtures into a number of dry calcitic limestones. The data are analyzed on the basis of unsaturated flow theory to give values of sorptivity S for water and for each organic liquid at different temperatures. The results show that for the organic liquids S varies as (surface tension/viscosity)(1/2) but that for the water S is anomalously low, indicating partial wetting. The wettability of these limestones is discussed in relation to natural contamination of the pore surface. Copyright 2000 Academic Press.

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