Calorimetric Studies of Alumosilicate Catalysts I. Heat and Entropy of Cumene Adsorption on Mg-Metakaolinite at Small Surface Coverages Full article
Journal |
Reaction Kinetics and Catalysis Letters
ISSN: 0133-1736 , E-ISSN: 1588-2837 |
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Output data | Year: 1980, Volume: 14, Number: 4, Pages: 409-412 Pages count : 4 DOI: 10.1007/BF02061343 | ||||
Tags | Entropy; Physical Chemistry; Catalysis; Surface Coverage; Cumene | ||||
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Abstract:
Differential heats of cumene adsorption at 293 K on Mg-metakaolinite at surface coverages Θ=0.005–0.10 have been measured on a Calvet microcalorimeter. The adsorption heat decreases drastically from 71 to 59 kJ/mol with changing the adsorption from 0.02 to 0.06 mol/m2. The presence of two energetically different types of adsorption centers is predicted on the Mg-metakaolinite surface.
С помощью микрокалориметра Кальве измерены дифференциальные теплоты адсорбции кумола при 293 К на Mg-метакаолините при степенях заполнения поверхности Θ=0,005–0,10. Выявлено резкое снижение теплоты адсорбции от 71 до 59 кДж/моль при изменении величины адсорбции от 0,02 до 0,06 мкмоль/м2. Сделано предположение о наличии двух энергетически различных типов адсорбционных центров на поверхности Mg-метакаолинита.
Cite:
Goncharuk V.V.
, Pankratiev Y.D.
, Shcherbatyuk N.E.
Calorimetric Studies of Alumosilicate Catalysts I. Heat and Entropy of Cumene Adsorption on Mg-Metakaolinite at Small Surface Coverages
Reaction Kinetics and Catalysis Letters. 1980. V.14. N4. P.409-412. DOI: 10.1007/BF02061343 WOS Scopus РИНЦ
Calorimetric Studies of Alumosilicate Catalysts I. Heat and Entropy of Cumene Adsorption on Mg-Metakaolinite at Small Surface Coverages
Reaction Kinetics and Catalysis Letters. 1980. V.14. N4. P.409-412. DOI: 10.1007/BF02061343 WOS Scopus РИНЦ
Dates:
Submitted: | Apr 3, 1980 |
Accepted: | May 7, 1980 |
Published print: | Sep 1, 1980 |
Identifiers:
Web of science | WOS:A1980KN17000004 |
Scopus | 2-s2.0-34250250946 |
Elibrary | 30911525 |
Chemical Abstracts | 1981:208169 |
Chemical Abstracts (print) | 94:208169 |
OpenAlex | W1977134014 |