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Pt and Ir/Al2O3 catalysts: Study of the impregnation reaction with new precursors

✍ Scribed by A. El-Biyyadh; M. Guerin; C. Kappenstein; D. Bazin; H. Dexpert

Publisher: Elsevier Science
Year: 1989
Tongue: English
Weight: 168 KB
Volume: 158
Category: Article
ISSN: 0921-4526
DOI: 10.1016/0921-4526(89)90242-1

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## Abstract **BACKGROUND:** The metal dispersed over a support can be present as small crystallites with sizes less than 5 nm. The smaller crystallites favour aromatization while larger crystallites favour cracking/hydrogenolysis. Sintering results in the agglomerization of smaller metal crystallit