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Marked addition effect of Re upon the water gas shift reaction over TiO2 supported Pt, Pd and Ir catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
52813 46888 2006 5 PDF Available
Title
Marked addition effect of Re upon the water gas shift reaction over TiO2 supported Pt, Pd and Ir catalysts
Abstract

Addition effect of Re on the water gas shift reaction over TiO2 supported Pt, Pd and Ir catalysts was studied, using a closed gas circulation system as well as an in situ infrared spectroscopy. Two different manners of enhancement effect were observed over these catalysts, (1) possible formation of bimetallic surface clusters with Re in the cases of Pt and Pd, (2) anchoring of nanoparticles by highly dispersed Re over TiO2 in the case of Ir. The FT-IR analyses of adsorbed species during WGS reaction exhibited that similar structure of catalytically active sites may be formed between Pt, Pd, or Ir metal and Re, which are effective for the activation of water and acceleration of WGS reaction.

Keywords
Water gas shift reaction; Pt–Re catalyst; Pd–Re catalyst; Ir–Re catalyst
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Marked addition effect of Re upon the water gas shift reaction over TiO2 supported Pt, Pd and Ir catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 7, Issue 2, February 2006, Pages 91–95
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
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