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Evaluation of oxide catalysts’ properties based on isopropyl alcohol conversion

Paper ID Volume ID Publish Year Pages File Format Full-Text
41166 45879 2012 9 PDF Available
Title
Evaluation of oxide catalysts’ properties based on isopropyl alcohol conversion
Abstract

The aim of this work was to verify the usefulness of isopropyl alcohol conversion as a test reaction to evaluate the properties of the surface of oxide catalysts. The results presented below suggest that this test reaction can be used not only to distinguish the type of active centres over which the reaction proceeds but also to determine the strength of active centres. The strength of active centres can be evaluated on the basis of the rates of respective parallel reactions. The type of active centres can be determined from the rates of parallel reaction at the given temperature and selectivity of these reactions. The possibility of formation of diisopropyl ether over Lewis acid centres depends on the distance between the adjacent cations, their accessibility for reactants and the acidity.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (90 K)Download as PowerPoint slideHighlights► Isopropyl alcohol conversion as a test reaction for surface properties of oxide catalysts. ► Simple and mixed oxides having diverse acid–base and redox properties. ► Dependence between acid–base centre strength and rates of parallel reactions. ► Test of strength and type of active centres. ► Conditions of diisopropyl ether formation over oxide catalysts.

Keywords
Oxide catalysts; Test reaction; Acid–base properties; Redox properties; Isopropyl alcohol; Dehydration; Dehydrogenation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volumes 417–418, 29 February 2012, Pages 102–110
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us