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NO conversion in presence of O2, H2O and SO2: Improvement of a Pt/Al2O3 catalyst by Zr and Sn, and influence of the reducer C3H6 or C3H8

✍ Scribed by I. Salem; X. Courtois; E.C. Corbos; P. Marecot; D. Duprez


Book ID
119216127
Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
176 KB
Volume
9
Category
Article
ISSN
1566-7367

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Improved sulfur resistance of Pt-Sn/Ξ³-Al
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The selective catalytic reduction (SCR) of NO with C 3 H 8 was studied over unsulfated and pre-sulfated 1% Pt/β₯-Al 2 O 3 , and 1% Pt-2% Sn/β₯-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