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CoAl2O4 spinel catalyst for soot combustion with NOx/O2

Paper ID Volume ID Publish Year Pages File Format Full-Text
51998 46861 2011 4 PDF Available
Title
CoAl2O4 spinel catalyst for soot combustion with NOx/O2
Abstract

Mesoporous and nanosized cobalt aluminate spinel with high specific surface area was prepared using microwave assisted glycothermal method and used as soot combustion catalyst in a NOx + O2 stream. For comparison, zinc aluminate spinel and alumina supported platinum catalysts were prepared and tested. All samples were characterised using XRD, (HR)TEM, N2 adsorption–desorption measurements. The CoAl2O4 spinel was able to oxidise soot as fast as the reference Pt/Al2O3 catalyst. Its catalytic activity can be attributed to a high NOx chemisorption on the surface of this spinel, which leads to the fast oxidation of NO to NO2.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideResearch highlights► CoAl2O4 spinel oxidises soot as fast as a reference Pt/Al2O3 catalyst. ► The catalytic activity of CoAl2O4 is attributed to the fast oxidation of NO to NO2. ► Mesoporous and nanosized cobalt aluminate spinel with high specific surface area was prepared.

Keywords
CoAl2O4; Cobalt aluminate; Spinel; Soot; NOx; Pt catalyst
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CoAl2O4 spinel catalyst for soot combustion with NOx/O2
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 12, Issue 13, 26 July 2011, Pages 1238–1241
Authors
, , , , ,
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