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[Studies in Surface Science and Catalysis] 12th International Congress on Catalysis, Proceedings of the 12th ICC Volume 130 || Highly dispersed Pd based catalysts for selective hydrogenation reactions

โœ Scribed by Delage, M.

Book ID
120812772
Publisher
Elsevier
Year
2000
Tongue
English
Weight
371 KB
Edition
Slp
Category
Article
ISBN
044450480X
ISSN
0167-2991

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โœฆ Synopsis

A new method of preparation of Pd supported catalysts is presented allowing to prevent the electron deficient character of highly dispersed metallic particles. Starting with a stabilised aqueous soluble Pd complex and under well-chosen activation procedure, ultradispersed Pd alumina supported particles obtained exhibit similar diene hydrogenation activity expressed by surface exposed atoms than bigger particles obtained by classical dried impregnation methods. Characterisation techniques (EXAFS, XPS, TPR, TEM) clearly evidence the non electro deficient character of these small particles. Catalytic performances (orthoxylene and butadiene hydrogenation) are discussed in relation with characterisation results.

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โœ Amalric-Popescu, D. ๐Ÿ“‚ Article ๐Ÿ“… 2000 ๐Ÿ› Elsevier ๐ŸŒ English โš– 305 KB

The twelfth Congress on Catalysis was held in Granada (Spain) under the auspices of the International Association of Catalysis Societies and the Spanish Society of Catalysis. These four-volume Proceedings are the expression of the Scientific Sessions which constituted the main body of the Congress.