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Nitrate hydrogenation on Pt,In/Al2O3: EXAFS and XANES characterization of fresh and used catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
51948 46859 2008 4 PDF Available
Title
Nitrate hydrogenation on Pt,In/Al2O3: EXAFS and XANES characterization of fresh and used catalysts
Abstract

Pt,In/Al2O3 catalysts were characterized by EXAFS and XANES. Among the catalysts studied, the one that contained 1 wt.% of Pt and 0.25 wt.% of In had a remarkable high initial activity which decreased with reaction time. EXAFS characterization showed that the fresh solid consisted of a mixture of bimetallic Pt,In particles and monometallic Pt ones. After reaction, the amount of bimetallic particles decreased and unalloyed Pt considerably increased, which led to a partial deactivation of the catalyst.

Keywords
Nitrates; Nitrites; Catalytic reduction; EXAFS; XANES
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Nitrate hydrogenation on Pt,In/Al2O3: EXAFS and XANES characterization of fresh and used catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 10, Issue 3, 15 December 2008, Pages 355–358
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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