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Propene oxidation and NO reduction over MgCu–Al(Fe) mixed oxides derived from hydrotalcite-like compounds

Paper ID Volume ID Publish Year Pages File Format Full-Text
53584 46975 2015 6 PDF Available
Title
Propene oxidation and NO reduction over MgCu–Al(Fe) mixed oxides derived from hydrotalcite-like compounds
Abstract

•Synthesis of series of hydrotalcite-based CuMg3Al2−xFex-mixed oxide catalysts prepared by co-precipitation method.•Influences of transition metal content and of Cu/Fe ratio on propene oxidation and SCR of NO by C3H6.•Better activity for SCR of NO by copper mixed oxide.•Better activity for propene oxidation by iron mixed oxide.

Propene oxidation and selective catalytic reduction (SCR) of NO by C3H6 have been studied over a series of hydrotalcite-based CuMg3Al2−xFex (x = 0, 1, 2)-mixed oxide catalysts prepared by co-precipitation method. The solids were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), temperature-programmed reduction (TPR) and electron paramagnetic resonance (EPR). The influences of transition metal content and of Cu/Fe ratio on the catalytic performance have been investigated. When copper species are the only active phase, a better NO conversion is obtained. The introduction of iron species into the structure reduced the activity toward SCR of NO but lowered the temperature of complete propene conversion.

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Keywords
Selective catalytic reduction of NO; Propene oxidation; Copper and iron oxides
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Propene oxidation and NO reduction over MgCu–Al(Fe) mixed oxides derived from hydrotalcite-like compounds
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 257, Part 1, 15 November 2015, Pages 98–103
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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Full-text PDF Download
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