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Selective Water Sorbents for Multiple Applications, 1. CaCl2 Confined in Mesopores of Silica Gel: Sorption Properties Научная публикация

Журнал Reaction Kinetics and Catalysis Letters
ISSN: 0133-1736 , E-ISSN: 1588-2837
Вых. Данные Год: 1996, Том: 59, Номер: 2, Страницы: 325-333 Страниц : 9 DOI: 10.1007/BF02068130
Ключевые слова Calcium chloride, Silica gel, Sorption, Vapor
Авторы Aristov Y.I. 1 , Tokarev M.M. 1 , Cacciola G. 2 , Restuccia G. 2
Организации
1 Federal Scientific Center, Boreskov Institute of Catalysis, Novosibirsk, Russia
2 Institute of Energy Transformation and Accumulation, Messina, Italy

Реферат: 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.
Библиографическая ссылка: 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 CAPlusCA OpenAlex
Даты:
Поступила в редакцию: 30 апр. 1996 г.
Принята к публикации: 12 июн. 1996 г.
Опубликована в печати: 1 нояб. 1996 г.
Идентификаторы БД:
Web of science: WOS:A1996WN65600019
Scopus: 2-s2.0-0001070857
РИНЦ: 13222357
Chemical Abstracts: 1997:150464
Chemical Abstracts (print): 126:297976
OpenAlex: W4238549203
Цитирование в БД:
БД Цитирований
Web of science 215
Scopus 217
РИНЦ 218
OpenAlex 209
Альметрики: