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Reaction Kinetics and Catalysis Letters

, Volume 59, Issue 2, pp 335–342 | Cite as

Selective water sorbents for multiple applications, 2. CaCl2 confined in micropores of silica gel: Sorption properties

  • Yu. I. Aristov
  • M. M. Tokarev
  • G. Restuccia
  • G. Cacciola
Article

Abstract

Water sorption isobars, isochores and isotherms for CaCl2 confined to amicroporous silica gel appear to differ from those measured formesoporous host matrix. The sorption equilibrium was found to be of the bivariant nature typical for liquid salt solutions. No indication for solid hydrate formation was recorded. The results obtained evidence a significant change in the thermodynamic properties of the solution due to its confinement to the micropores. This change is qualitatively discussed on the basis of the classical model of strong electrolyte dilute solutions.

Keywords

Vapor sorption calcium chloride silica gel micropores 

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Copyright information

© Akadémiai Kiadó 1996

Authors and Affiliations

  • Yu. I. Aristov
    • 1
  • M. M. Tokarev
    • 1
  • G. Restuccia
    • 2
  • G. Cacciola
    • 2
  1. 1.Federal Scientific CenterBoreskov Institute of CatalysisNovosibirskRussia
  2. 2.Institute of Energy Transformation and AccumulationMessinaItaly

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