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Preparation of PtReAl2O3 catalysts by surface redox reactions I. Influence of operating variables on Re deposit in the presence of hydrochloric acid

✍ Scribed by C.L. Pieck; P. Marecot; J. Barbier


Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
541 KB
Volume
134
Category
Article
ISSN
0926-860X

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Preparation of PtReAl2O3 catalysts by s
✍ C.L. Pieck; P. Marecot; J. Barbier 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 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