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Novel MoO3/CeO2–ZrO2 catalyst for the selective catalytic reduction of NOx by NH3

Paper ID Volume ID Publish Year Pages File Format Full-Text
50274 46787 2015 4 PDF Available
Title
Novel MoO3/CeO2–ZrO2 catalyst for the selective catalytic reduction of NOx by NH3
Abstract

•MoO3 significantly enhanced the activity of CeO2–ZrO2 catalyst for the NH3-SCR.•The existed MoO3 enhanced the redox property of CeO2–ZrO2 catalyst.•The surface acidity of the catalyst was increased due to the presence of MoO3.

A series of MoO3-doped CeO2–ZrO2 catalysts were investigated for the selective catalytic reduction of NOx by NH3 (NH3-SCR). It was found that the added MoO3 significantly enhanced the activity of CeO2–ZrO2 catalyst for NH3-SCR of NOx in a wide temperature range and the optimum MoO3 loading is 5%. The highly dispersed MoO3 not only resulted in more Lewis acid and Brønsted acid sites formed on the catalyst surface, but also increased the redox property of the catalyst, all of which account for the enhanced SCR activity.

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Keywords
NOx; NH3-SCR; MoO3; CeO2–ZrO2
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Novel MoO3/CeO2–ZrO2 catalyst for the selective catalytic reduction of NOx by NH3
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 65, 5 May 2015, Pages 51–54
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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Price after discount Only $4.95
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Any Questions? feel free to contact us