Liquid sorption and wetting oil hydrophilic/hydrophobic layer silicates

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Abstract

Adsorption excess isotherms were determined on hydrophobic layer silicates in methanol-benzene mixtures. From these isotherms the displacement free energy Δ21 G=f (x1) is derived which is characteristic of surface polarity. Displacement enthalpy isotherms were also determined by immersion microcalorimetry so that the entropy changes could be calculated. The molar displacement energy and adsorption capacity are calculated by a combination of enthalpy and free energy isotherms with adsorption excess isotherms.

Original languageEnglish
Pages (from-to)251-261
Number of pages11
JournalColloids and Surfaces
Volume58
Issue number3
DOIs
Publication statusPublished - Sep 27 1991

ASJC Scopus subject areas

  • Engineering(all)

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