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Selective catalytic reduction of NOx with methane over indium supported on tungstated zirconia

Paper ID Volume ID Publish Year Pages File Format Full-Text
52516 46875 2007 5 PDF Available
Title
Selective catalytic reduction of NOx with methane over indium supported on tungstated zirconia
Abstract

Selective catalytic reduction (SCR) of NOx with methane was investigated over a series of non-noble metal (cobalt, manganese, nickel, tin, silver, indium) catalysts supported on tungstated zirconia (WZr). A great improvement of catalytic activity was found over the indium-loaded WZr catalysts upon the other WZr. The highest NOx conversion of 70% was achieved over an 1%In/WZr catalyst at 450 °C and 12,000 h−1. InO+ was proposed to be the active site in NO reduction. H2O and SO2 significantly inhibited NO reduction by competing with reactants to adsorb on InO+ site and forming inactive In(OH)2+ and In(SO3)+ species.

Keywords
Nitrogen oxides; Selective catalytic reduction; Methane; Indium; Tungstated zirconia
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Selective catalytic reduction of NOx with methane over indium supported on tungstated zirconia
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 8, Issue 12, December 2007, Pages 2243–2247
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
You save - $31
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