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Catalytic behavior and active sites structure of PtAu/Al2O3 bimetallic catalysts prepared by surface redox reactions

✍ Scribed by G Espinosa; G Del Angel; J Barbier; P Bosch; V Lara; D Acosta


Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
732 KB
Volume
164
Category
Article
ISSN
1381-1169

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Preparation of Ptξ—ΈReAl2O3 catalysts by s
✍ C.L. Pieck; P. Marecot; J. Barbier πŸ“‚ Article πŸ“… 1996 πŸ› Elsevier Science 🌐 English βš– 728 KB

Bimetallic Pt-Re/A1203 catalysts are prepared under hydrogen atmosphere by a surface redox reaction between hydrogen adsorbed on a parent platinum/alumina catalyst and the perrhenate ion ReO 4. This reaction, called catalytic reduction, occurs only in an acidic medium, a maximum rhenium deposition a