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Improvement of loose contact diesel soot oxidation by synergic effects between metal oxides in K2O–V2O5/ZSM-5 catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
52126 46865 2008 5 PDF Available
Title
Improvement of loose contact diesel soot oxidation by synergic effects between metal oxides in K2O–V2O5/ZSM-5 catalysts
Abstract

Diesel soot oxidation in loose contact with 15 wt.% CuO/, V2O5/, Fe2O3/ and K2O–V2O5/ZSM-5 catalysts at a ratio of 9:1 was studied. V2O5/ZSM-5 was the most active with a peak activity at 450 °C. Further improvement was achieved with the incorporation of 4.5 wt.% K2O, attributed to the mobility of potassium upon melting. Chemical interactions between the K2O and extra framework silicon resulted in potassium silicate formation. Sintering of oxides towards the end of the oxidation process resulted in a delay in the completion of soot oxidation.

Keywords
Diesel soot; Oxidation; K2O–V2O5/ZSM-5; Loose contact; Synergic effect
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Improvement of loose contact diesel soot oxidation by synergic effects between metal oxides in K2O–V2O5/ZSM-5 catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 9, Issue 6, 31 March 2008, Pages 1196–1200
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