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Characterization and thermal stability of ruthenium nanoparticles supported on γ-alumina

Paper ID Volume ID Publish Year Pages File Format Full-Text
51081 46829 2010 5 PDF Available
Title
Characterization and thermal stability of ruthenium nanoparticles supported on γ-alumina
Abstract

Ru/γ-Al2O3 catalyst of 1.1% was prepared by reduction of RuCl3 in ethylene glycol using a microwave-assisted solvothermal method. Structure of the as-prepared and heated in H2 at 500–700 °C catalyst samples was studied by XPS, BET, XRD and HRTEM techniques. The catalyst dispersion was determined by various chemisorption techniques and agreement between them was reasonable. The dispersion of fresh catalyst decreased slightly from 0.53 to 0.49 by hydrogen treatment at 700 °C, and good correspondence with HRTEM data was obtained. Results indicate on high stability of the Ru nanoparticles in the low-loaded colloidal Ru/γ-Al2O3 catalyst under reducing conditions.

Keywords
Ruthenium nanoparticles; Stability; HRTEM; Dispersion
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Characterization and thermal stability of ruthenium nanoparticles supported on γ-alumina
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 11, Issue 6, 20 February 2010, Pages 508–512
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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