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Effect of barium sulfate on sulfur resistance of Pt/Ce0.4Zr0.6O2 catalyst

Paper ID Volume ID Publish Year Pages File Format Full-Text
49996 46775 2012 4 PDF Available
Title
Effect of barium sulfate on sulfur resistance of Pt/Ce0.4Zr0.6O2 catalyst
Abstract

Ceria zirconia solid solution (CZ) that contained BaSO4 was prepared by using coprecipitation method and was used as a supporter for preparing platinum catalyst. It is found that BaSO4 can be evenly distributed in the irregular mesoporous of the CZ. Furthermore, the addition of BaSO4 to the CZ is able to improve the desorption amount of sulfur species under reducing atmosphere, which could decrease the accumulation of sulfur species in the catalyst. Consequently, sulfur poisoning resistance of the catalyst has improved.

Graphical abstractThe results showed that the CZ has a strong adsorption capacity of the SO2. Adding BaSO4 to the CZ is able to improve the desorption amount of sulfur species under reducing atmosphere, which could decrease the accumulation of sulfur species in the catalyst. Consequently, it has enhanced the sulfur resistance of the catalyst.Figure optionsDownload full-size imageDownload as PowerPoint slideHighlights► BaSO4-doped ceria zirconia solid solution was successfully synthesized. ► Doped CZ could decrease the accumulation of sulfur species in the catalysts. ► The Pt/CZ–BaSO4 catalyst has a high performance of sulfur resistance.

Keywords
Ceria zirconia solid solution; Catalyst; Sulfur resistance
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Effect of barium sulfate on sulfur resistance of Pt/Ce0.4Zr0.6O2 catalyst
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 27, 5 October 2012, Pages 189–192
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us