Development of multicomponent suspensions for catalytic coatings for block ceramic supports

The compositions of multicomponent boehmite suspensions in the pH range of the dispersion medium from 1.5 to 5.4 and methods of stabilizing cerium-and platinum-containing suspensions and application on a block cordierite support were investigated. The optimum conditions of preparing the suspensions...

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Bibliographic Details
Published in:Glass and ceramics 2007-09, Vol.64 (9-10), p.309-312
Main Authors: Drobakha, G S, Drobakha, E A, Solntsev, K A
Format: Article
Language:English
Subjects:
Blocking
Ceramic coatings
Ceramics
Coatings
Cordierite
Dispersions
Glass
Optimization
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Summary:The compositions of multicomponent boehmite suspensions in the pH range of the dispersion medium from 1.5 to 5.4 and methods of stabilizing cerium-and platinum-containing suspensions and application on a block cordierite support were investigated. The optimum conditions of preparing the suspensions and single-stage production of highly porous, strong, and uniform coatings of the Pt-CeO^sub 2^-γ-Al^sub 2^O^sub 3^ system with a high yield and specific surface area of 150-170 m^sup 2^/g were established.[PUBLICATION ABSTRACT]
ISSN:0361-7610
1573-8515
DOI:10.1007/s10717-007-0078-4