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Manganese oxide catalysts synthesized by exotemplating for the total oxidation of ethanol

Paper ID Volume ID Publish Year Pages File Format Full-Text
47344 46469 2009 8 PDF Available
Title
Manganese oxide catalysts synthesized by exotemplating for the total oxidation of ethanol
Abstract

Manganese oxides were synthesized by exotemplating using an activated carbon and a carbon xerogel as templates. The template effect and the impregnation method were studied. Up to a seven fold increase in the surface area was obtained for the materials prepared by exotemplating when compared to the standard calcination method. The catalytic performance of these manganese oxide materials was assessed in the total oxidation of ethanol. The catalytic activity was found to be mainly dependent on the manganese oxidation state and to a lower extent on the surface area. The best catalysts were able to oxidize ethanol into 100% of CO2 at 240 °C. Experiments without oxygen in the feed suggest that the lattice oxygen can react with ethanol and is involved in the ethanol oxidation mechanism. There is a strong correlation between the catalytic activity and the lattice oxygen donating ability, which depends on the oxidation state of manganese and the surface area.

Keywords
Manganese oxide; Exotemplating; Catalytic oxidation; Ethanol; VOC
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Manganese oxide catalysts synthesized by exotemplating for the total oxidation of ethanol
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 93, Issues 1–2, 25 November 2009, Pages 30–37
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
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