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Highly efficient Ru/MgO catalysts for NH3 decomposition: Synthesis, characterization and promoter effect

Paper ID Volume ID Publish Year Pages File Format Full-Text
52729 46883 2006 5 PDF Available
Title
Highly efficient Ru/MgO catalysts for NH3 decomposition: Synthesis, characterization and promoter effect
Abstract

Highly dispersed Ru nanoparticles exhibiting high catalytic activity in NH3 decomposition were prepared by a polyol reduction method. The physicochemical properties were studied using nitrogen physisorption, X-ray diffraction (XRD), transmission electron microcopy (TEM) and thermogravimetry (TG). BET measurements showed the obtained Ru/MgO mesoporous material possessed a surface area as high as 151 m2gcat-1. As evidenced by TEM images, the particle size of Ru ranged narrowly from 1.2 to 2.3 nm. XRD examination revealed that the MgO particles as the support with mean size of 8 nm were successfully synthesized. Different alkali metal salts were added as the promoter through conventional impregnation, by which the catalytic activity could be significantly enhanced.

Keywords
Ruthenium nanoparticles; Ammonia decomposition; Hydrogen; Polyol reduction
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Highly efficient Ru/MgO catalysts for NH3 decomposition: Synthesis, characterization and promoter effect
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 7, Issue 3, March 2006, Pages 148–152
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
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