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Au/ZrO2 catalysts for LT-WGSR: Active role of sulfates during gold deposition

Paper ID Volume ID Publish Year Pages File Format Full-Text
47442 46472 2010 6 PDF Available
Title
Au/ZrO2 catalysts for LT-WGSR: Active role of sulfates during gold deposition
Abstract

The effect of the addition of various amounts of sulfates to a zirconia support and its possible role during the Au deposition–precipitation step was examined. The high activity showed by the Au/ZrO2 catalysts in the WGS reaction was enhanced by the action of sulfates on the support. SO42− addition to zirconia brings a higher gold dispersion due to (i) the larger surface area and (ii) the positive role of SO42− groups that determine the deposition of Au in the form of highly dispersed non-metallic gold clusters in close contact with the support.

Keywords
Dispersion; Gold; Sulfated zirconia; WGS reaction; Sulfates
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Au/ZrO2 catalysts for LT-WGSR: Active role of sulfates during gold deposition
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 96, Issues 1–2, 26 April 2010, Pages 28–33
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
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