SiO(2)-LiBr Nanocomposite Sol-Gel Adsorbents of Water Vapor: Preparation and Properties

Water vapor adsorption on SiO(2)-LiBr sol-gel materials strongly depends on bromide content. Adsorption capacities exhibited by these materials at higher relative pressures can be as high as 0.8 kg of water/kg of adsorbent. These adsorbents can be regenerated by heating at 473 K and reused. However,...

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Bibliographic Details
Published in:Journal of colloid and interface science 1999-10, Vol.218 (2), p.500-503
Main Authors: Mrowiec-Bialo, J, Lachowski, AI, Jarz bski, AB, Gordeeva, LG, Aristov, YI
Format: Article
Language:English
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Summary:Water vapor adsorption on SiO(2)-LiBr sol-gel materials strongly depends on bromide content. Adsorption capacities exhibited by these materials at higher relative pressures can be as high as 0.8 kg of water/kg of adsorbent. These adsorbents can be regenerated by heating at 473 K and reused. However, a gradual decay of adsorption properties occurs during repeated adsorption-desorption cycles. Thus, this family of adsorbents seems to be less attractive than the corresponding SiO(2)-CaCl(2) composites. Copyright 1999 Academic Press.
ISSN:1095-7103