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Improved activity of Pt/γ-Al2O3 catalysts for CH4O2 reaction under lean conditions due to sulfation and catalyst loading

✍ Scribed by Griselda Corro; Carlos Cano; J.L. Garcia Fierro

Book ID
119216509
Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
191 KB
Volume
9
Category
Article
ISSN
1566-7367

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Improved sulfur resistance of Pt-Sn/γ-Al
Improved sulfur resistance of Pt-Sn/γ-Al2O3 catalysts for C3H8-NO-O2 reaction under lean conditions due to Pt-Sn surface interactions
✍ Grisel Corro; J.L.G. Fierro; Ramón Montiel; Fortino Bañuelos 📂 Article 📅 2005 🏛 Elsevier Science 🌐 English ⚖ 347 KB

The selective catalytic reduction (SCR) of NO with C 3 H 8 was studied over unsulfated and pre-sulfated 1% Pt/␥-Al 2 O 3 , and 1% Pt-2% Sn/␥-Al 2 O 3 catalysts. Carbon residues deposited were evaluated on all samples, after 12 h of C 3 H 8 -NO-O 2 -SO 2 reaction. X-ray photoelectron spectra (XPS) we