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Low-temperature selective catalytic reduction of NO over MnOx/CNTs catalysts: Effect of thermal treatment condition

Paper ID Volume ID Publish Year Pages File Format Full-Text
50032 46777 2014 4 PDF Available
Title
Low-temperature selective catalytic reduction of NO over MnOx/CNTs catalysts: Effect of thermal treatment condition
Abstract

•MnOx/CNTs catalysts were prepared via different thermal treatment routes.•MnOx/CNTs catalyst treated in air at 250 °C showed the highest NO conversions.•CNTs may impose effects on the oxidation state and redox ability of MnOx.

Carbon nanotubes (CNTs) supported manganese oxide catalysts were prepared through different thermal treatment routes and used for low-temperature selective catalytic reduction of NO with NH3. The MnOx/CNTs catalyst prepared by calcined the precursor in air at 300 °C showed lower NO conversions than that treated at 250 °C, while it showed higher NO conversions than the one calcined in nitrogen. BET, TGA, XRD and H2-TPR results indicated that CNTs may impose effects on the oxidation state and redox ability of the manganese oxide and hence on the catalytic activity during the calcination process at given temperatures.

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Keywords
Manganese oxides; Carbon nanotubes; Thermal treatment condition; Effect; Low-temperature SCR
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 50, 5 May 2014, Pages 34–37
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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