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The selective catalytic reduction activity of Cu/MCM-41 catalysts prepared by using the Cu2+–MCM-41 mesoporous materials with copper ions in the framework as precursors

Paper ID Volume ID Publish Year Pages File Format Full-Text
50456 46795 2013 4 PDF Available
Title
The selective catalytic reduction activity of Cu/MCM-41 catalysts prepared by using the Cu2+–MCM-41 mesoporous materials with copper ions in the framework as precursors
Abstract

The Cu2+–MCM-41 mesoporous materials with different loadings of copper species in the framework have been prepared by hydrothermal method and characterized by using various physico-chemical methods combined with the selective catalytic reduction of NO by NH3. It has been shown that the particle size of metallic copper formed after hydrogen reduction is much smaller than that in the supported catalysts prepared by impregnation method, and that the SCR activity of catalyst increases obviously with the increase of Cu content to 10 wt.% because of its higher dispersion of copper metal in the mesoporous catalyst even at higher Cu loading.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► The Cu/MCM-41 (ht) are more active than Cu/MCM-41 (im) for SCR reaction. ► The SCR activity of Cu/MCM-41 (ht) increases obviously with increase of Cu loading. ► The Cu/MCM-41 (ht) exhibit the higher Cu dispersion and thus higher SCR activity.

Keywords
Copper; MCM-41; Selective catalytic reduction; NO
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The selective catalytic reduction activity of Cu/MCM-41 catalysts prepared by using the Cu2+–MCM-41 mesoporous materials with copper ions in the framework as precursors
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 31, 10 January 2013, Pages 21–24
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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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