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MnxCo3 − xO4 solid solution as high-efficient catalysts for low-temperature oxidation of formaldehyde

Paper ID Volume ID Publish Year Pages File Format Full-Text
51222 46836 2012 5 PDF Available
Title
MnxCo3 − xO4 solid solution as high-efficient catalysts for low-temperature oxidation of formaldehyde
Abstract

MnxCo3 − xO4 solid solution was synthesized by co-precipitation method and tested for the first time for oxidation of HCHO. The formation of MnxCo3 − xO4 solid solution was confirmed by XRD, H2-TPR, XPS studies. It was observed that complete conversion of HCHO occurred at 75 °C (GHSV = 60,000 h− 1, relative humidity = 50% (25 °C)), and remained unchanged within 50 h. Such high activity can be ascribed to the large amount of surface oxygen available on MnxCo3 − xO4. According to the results of in situ DRIFTs, we proposed a reaction pathway for HCHO oxidation over MnxCo3 − xO4 catalyst.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► MnxCo3 − xO4 solid solution is active for low-temperature oxidation of HCHO. ► Complete conversion of HCHO over MnxCo3 − xO4 solid solution occurred at 75 °C. ► Rate limiting step is decomposition of surface formates and hydrocarbonates.

Keywords
Cobalt; Manganese; Solid solution; HCHO oxidation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 28, 5 November 2012, Pages 18–22
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