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Role of stable nitrates stored on BaCoCe in soot catalytic oxidation

Paper ID Volume ID Publish Year Pages File Format Full-Text
51068 46828 2010 4 PDF Available
Title
Role of stable nitrates stored on BaCoCe in soot catalytic oxidation
Abstract

BaCoCe catalysts were prepared by impregnating different amounts of barium acetate on Co–Ce mixed oxides. The optimal Ba loading amount is 10 mol.% of Ce, and the obtained catalyst presents a maximal soot oxidation rate temperature at 378 °C in NO + O2 under loose contact conditions. The NOx storage capacity of BaCoCe is twice of that of CoCe, and the decomposition of the stored nitrates is pronouncedly delayed. The soot is ignited at 358 °C by NO2 produced from decomposition of the relatively stable nitrates with heat transfer limitations.

Keywords
Co–Ce mixed oxides; Ba loading; Diesel soot; NOx storage; Nitrate decomposition
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Role of stable nitrates stored on BaCoCe in soot catalytic oxidation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 11, Issue 8, 31 March 2010, Pages 749–752
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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Any Questions? feel free to contact us