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Characterization of Acid-Base Catalysts by Calorimetric Titration II. Effect of Poisoning on Titration Curves and Alcohol Dehydration Activity

Bakshi, K. R. and Gavalas, G. R. (1975) Characterization of Acid-Base Catalysts by Calorimetric Titration II. Effect of Poisoning on Titration Curves and Alcohol Dehydration Activity. Journal of Catalysis, 38 (1-3). pp. 326-334. ISSN 0021-9517. http://resolver.caltech.edu/CaltechAUTHORS:20151104-143218498

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Abstract

Several commercial aluminas, silica-aluminas and clays have been subjected to poisoning by ammonia and organic bases and subsequently characterized (1) by calorimetry, yielding the heat of adsorption of bases and acids as a function of coverage (2) activity in ethanol and methanol dehydration reactions. A correlation developed in the previous paper [Bakshi, K. R., and Gavalas, G. R., J. Catal. 38, 312 (1975)] describing the activity of fresh catalysts in terms of their acidity and basicity distributions has been used to describe the activity of the poisoned catalysts. Certain rather subtle selectivity changes caused by poisoning have been explained by the corresponding changes in the acidity and basicity distributions.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1016/0021-9517(75)90094-9DOIArticle
http://www.sciencedirect.com/science/article/pii/0021951775900949PublisherArticle
ORCID:
AuthorORCID
Gavalas, G. R.0000-0003-1468-6835
Additional Information:© 1975 by Academic Press, Inc.
Record Number:CaltechAUTHORS:20151104-143218498
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20151104-143218498
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:61842
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:05 Nov 2015 02:45
Last Modified:26 Sep 2017 20:42

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