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A selective NOx reduction on Rh-based catalysts in lean conditions using CO as a main reductant

Paper ID Volume ID Publish Year Pages File Format Full-Text
48079 46491 2008 10 PDF Available
Title
A selective NOx reduction on Rh-based catalysts in lean conditions using CO as a main reductant
Abstract

A selective NOx reduction in lean conditions on Rh-based catalysts using CO and hydrogen as reductants was investigated. Over specified Rh-based catalysts, NOx has been found to be selectively reduced with CO as a main reductant at a high efficiency when hydrogen is concomitant as an assistant reductant. Furthermore, the presence of SOx in reaction gases drastically enhances this selective NOx reduction and the activity increases with time, followed by saturation of the NOx reduction. A reaction mechanism of this NOx reduction is proposed based on results of in situ FTIR. In addition, the highly active Rh supported on a beta-zeolite is characterized using TEM, XRD and XPS.

Keywords
NOx reduction; Lean conditions; NO–CO; Hydrogen effect; SO2 effect
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A selective NOx reduction on Rh-based catalysts in lean conditions using CO as a main reductant
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 85, Issues 1–2, 17 December 2008, Pages 61–70
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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