NDLI: Pd-containing catalysts promoted by NiO designed for the reduction of NO with CO at stoichiometric NO/CO ratio

Content Provider	SpringerLink
Author	Stoyava, D. Georgieva, P. Kasabova, N.
Copyright Year	2012
Abstract	This paper presents the investigations and the results on Pd-containing catalysts on corundum support and NiO, deposited subsequently by the impregnation method. The physical chemical characteristics of Pd/NiO composites on alumina support have been studied and their catalytic properties have been tested in the process of NO reduction by CO. The catalyst samples have been characterized by means of X-ray diffraction analysis. Their specific surface area has been measured by the adsorption method. The particle size, morphology and size distribution were determined using a TEM JEOL 2011 at 200 kV. Some doping additives have been found to exert a favorable effect in the precursors upon the dispersion degree of the prevailing phases, on the physical–chemical parameters and on the mechanical strength indexes of the formed catalysts. The simultaneous presence of the two active phases—Pd and NiO in the catalyst samples ensures high activity within the studied temperature interval and within a wide range of space velocities. Moreover, these catalysts have low temperatures of starting the catalytic reaction, high thermal stability, whereupon they manifest resistivity after overheating.
Starting Page	391
Ending Page	402
Page Count	12
File Format	PDF
ISSN	18785190
Journal	Reaction Kinetics and Catalysis Letters
Volume Number	108
Issue Number	2
e-ISSN	18785204
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-12-19
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	Precursor Catalysts Reduction of NO with CO TPD profiles Catalysis Physical Chemistry Industrial Chemistry/Chemical Engineering
Content Type	Text
Resource Type	Article
Subject	Catalysis Physical and Theoretical Chemistry

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