Adsorption systems at temperatures below the freezing point of the adsorptive

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AuthorSearch for:
TypeArticle
Journal titleAdvances in Colloid and Interface Science
Volume9
Pages253302; # of pages: 50
SubjectConcrete
AbstractIsothermal adsorption studies and the measurement of dimensional changes below the bulk freezing point of the adsorbate indicate that substances adsorbed in porous solids are unable to freeze in situ. The difference between the vapour pressure or free energy of the unfrozen adsorbate and that of the bulk adsorptive outside of the porous system is resolved by a desorption process; the desorbed matter freezes outside of the systems while the vapour pressure of the adsorbate remaining in the pores decreases through meniscus formation. Mechanical breakdown of the system occurs only then, when this process cannot be completed and an equilibrium state is not attained.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
IdentifierDBR-P-781
NRC number16810
7093
NPARC number20337983
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Record identifier60b4c319-47ae-41d9-b0bc-c95e06709ee9
Record created2012-07-19
Record modified2016-05-09
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