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New Cu-based mixed oxides obtained from LDH precursors, catalysts for methane total oxidation

Paper ID Volume ID Publish Year Pages File Format Full-Text
42318 45920 2009 8 PDF Available
Title
New Cu-based mixed oxides obtained from LDH precursors, catalysts for methane total oxidation
Abstract

The methane total oxidation was studied over high surface area mesoporous Cu–Mg–Al mixed oxide catalysts obtained from layered double hydroxides (LDHs) precursors. XRD and H2-TPR revealed that both CuO and CuAl2O4 phases were present in the calcined catalysts. The best results were obtained with the catalysts containing 10 and 20 at.% Cu, total conversion being achieved at temperatures lower than 525 °C in these cases. The catalyst containing 10% Cu showed the best specific activity per unit mass of copper. The influences of the contact time and of the methane concentration in the feed gas on the catalytic performances have also been investigated. The stability of the copper-based catalysts during the catalytic test was evidenced.

Graphical abstractThe methane total oxidation was studied over high surface area mesoporous Cu–Mg–Al mixed oxide catalysts obtained from layered double hydroxides precursors. The best results were obtained with the catalysts containing 10 and 20 at.% Cu, total conversion being achieved at temperatures lower than 525 °C in these cases.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Cu-containing mixed oxides; Layered double hydroxide; Methane; Total oxidation
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New Cu-based mixed oxides obtained from LDH precursors, catalysts for methane total oxidation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 363, Issues 1–2, 1 July 2009, Pages 135–142
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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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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