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N2O catalytic decomposition over nano-sized particles of Co-substituted Fe3O4 substrates

Paper ID Volume ID Publish Year Pages File Format Full-Text
40608 45859 2013 8 PDF Available
Title
N2O catalytic decomposition over nano-sized particles of Co-substituted Fe3O4 substrates
Abstract

A novel total decomposition of N2O was performed on the nano-sized particles of substituted CoxFe3−xO4 magnetite (with x = 0–1). The given results showed that the partial incorporation of Fe2+ by Co2+ into Fe3O4 spinel substrate led to a significant amelioration in the catalytic activity for the N2O catalytic reaction. Furthermore, the catalytic activity of prepared substances depended on the Fe2+ substitution amount by Co2+ cation. The N2O conversion achieved 100% over the nano-sized Co0.6Fe2.4O4 catalyst at 255, 285 and 291 °C for pure N2O, N2O with the presence of oxygen and N2O in the presence of water steam, respectively. A relative increasing of decomposition temperatures was observed after O2 addition. Moreover, the characterization of all samples showed that the catalyst surfaces contain nano-size particles accompanied by well distribution.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (227 K)Download as PowerPoint slideHighlights► Preparation of nano-sized Co-substituted Fe3O4 was performed successively. ► Significant amelioration on the N2O catalytic decomposition. ► Co2+ partial incorporation into magnetite presents high active sites. ► N2O decomposition temperatures were increased after O2 addition.

Keywords
N2O; Catalytic decomposition; Nano-sized particles; Substituted magnetite
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N2O catalytic decomposition over nano-sized particles of Co-substituted Fe3O4 substrates
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 450, 15 January 2013, Pages 253–260
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
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Any Questions? feel free to contact us