Selective Water Sorbents for Multiple Applications, 1. CaCl2 Confined in Mesopores of Silica Gel: Sorption Properties Full article
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Reaction Kinetics and Catalysis Letters
ISSN: 0133-1736 , E-ISSN: 1588-2837 |
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| Output data | Year: 1996, Volume: 59, Number: 2, Pages: 325-333 Pages count : 9 DOI: 10.1007/BF02068130 | ||||
| Tags | Calcium chloride, Silica gel, Sorption, Vapor | ||||
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Abstract:
This paper presents sorption properties of a selective water sorbent based on mesoporous KSKG silica gel as a host matrix and calcium chloride as a hygroscopic salt. Sorption isobars, isochores and isotherms at T=20–150°C and vapor partial pressures of 8–133 mbar clearly showed two types of water sorption: 1) the formation of solid crystal hydrates at low amounts N of sorbed water, and 2) vapor absorption mainly by the salt solution at higher N. Sorption properties of CaCl2 crystal hydrates were found to change strongly due to their impregnation into mesoporous silica gel, whereas the solution confinement to the mesopores did not change its water sorption properties with respect to the bulk solution. Isosteric sorption heat was measured to depend on water sorption and to change from 62.5 kJ/mol for solid hydrates to 42.2–45.6 kJ/mol for solution.
Cite:
Aristov Y.I.
, Tokarev M.M.
, Cacciola G.
, Restuccia G.
Selective Water Sorbents for Multiple Applications, 1. CaCl2 Confined in Mesopores of Silica Gel: Sorption Properties
Reaction Kinetics and Catalysis Letters. 1996. V.59. N2. P.325-333. DOI: 10.1007/BF02068130 WOS Scopus РИНЦ ANCAN OpenAlex
Selective Water Sorbents for Multiple Applications, 1. CaCl2 Confined in Mesopores of Silica Gel: Sorption Properties
Reaction Kinetics and Catalysis Letters. 1996. V.59. N2. P.325-333. DOI: 10.1007/BF02068130 WOS Scopus РИНЦ ANCAN OpenAlex
Dates:
| Submitted: | Apr 30, 1996 |
| Accepted: | Jun 12, 1996 |
| Published print: | Nov 1, 1996 |
Identifiers:
| Web of science: | WOS:A1996WN65600019 |
| Scopus: | 2-s2.0-0001070857 |
| Elibrary: | 13222357 |
| Chemical Abstracts: | 1997:150464 |
| Chemical Abstracts (print): | 126:297976 |
| OpenAlex: | W4238549203 |