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Enhancement of the activity of calcium aluminosilicate (Ca12Al10Si4O35) for the combustion of diesel soot via the substitution of Ca2+ ions with transition metal ions

Paper ID Volume ID Publish Year Pages File Format Full-Text
52726 46883 2006 4 PDF Available
Title
Enhancement of the activity of calcium aluminosilicate (Ca12Al10Si4O35) for the combustion of diesel soot via the substitution of Ca2+ ions with transition metal ions
Abstract

The activity of calcium aluminosilicate or mayenite (Ca12Al10Si4O35) was examined for the combustion of diesel soot. Mayenite was synthesized via hydrothermal reaction of a mixture of CaO, alumina-sol, and amorphous silica. Metal-substituted mayenite was similarly prepared by adding a corresponding metal salt to the starting mixture. Carbon black (CB) powders were used as model diesel soot. Although mayenite itself was active for CB combustion, substitution of a part of Ca2+ in mayenite with transition metal ions resulted in a marked increase in the activity for CB combustion. Among substituting transition metal ions examined, the highest activity for CB combustion was obtained for substitution with Cu2+, i.e., the combustion temperature was 741 K for Cu-substituted mayenite, while 803 K for unsubstituted mayenite and 903 K without mayenite.

Keywords
Diesel soot; Combustion reaction; Metal-substituted calcium aluminosilicate
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Enhancement of the activity of calcium aluminosilicate (Ca12Al10Si4O35) for the combustion of diesel soot via the substitution of Ca2+ ions with transition metal ions
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 7, Issue 3, March 2006, Pages 132–135
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
Online Support
Any Questions? feel free to contact us