Document Detail

Design of amphoteric mixed oxides of zinc and Group 3 elements (Al, Ga, In): migration effects on basic features.
MedLine Citation:
PMID:  22333932     Owner:  NLM     Status:  In-Data-Review    
The design of new amphoteric catalysts is of great interest for several industrial processes, especially those covering dehydration and dehydrogenation phenomena. Adsorption microcalorimetry was used to monitor the design of mixed oxides of zinc with Group 3 elements (aluminium, gallium, indium) with amphoteric character and enhanced specific surface area. Acid-base features were found to evolve non-linearly with the relative amounts of metal, and the strengths of the created acidic or basic sites were measured by adsorption microcalorimetry. A panel of bifunctional catalysts of various acid-base (amounts, strengths) and redox character was obtained. Besides, special interest was given to In-Zn mixed oxides for their enhanced basicity: this series of catalysts displays important basic features of high strength () in substantial amounts (), whose impact on efficiency or selectivity in catalytic dehydration/dehydrogenation can be valuable.
Adrien Mekki-Berrada; Didier Grondin; Simona Bennici; Aline Auroux
Publication Detail:
Type:  Journal Article     Date:  2012-02-15
Journal Detail:
Title:  Physical chemistry chemical physics : PCCP     Volume:  14     ISSN:  1463-9084     ISO Abbreviation:  Phys Chem Chem Phys     Publication Date:  2012 Feb 
Date Detail:
Created Date:  2012-03-01     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100888160     Medline TA:  Phys Chem Chem Phys     Country:  England    
Other Details:
Languages:  eng     Pagination:  4155-61     Citation Subset:  IM    
IRCELYON, CNRS UMR5256, Université Lyon1, 2 avenue Albert Einstein, Villeurbanne, France.
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