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Resistance to sulfidation of the catalytic reduction of NOx over Ag/Al2O3 by controlling the loadings of Ag and Ag+

Paper ID Volume ID Publish Year Pages File Format Full-Text
52892 46890 2007 4 PDF Available
Title
Resistance to sulfidation of the catalytic reduction of NOx over Ag/Al2O3 by controlling the loadings of Ag and Ag+
Abstract

SO2 strongly decreased the catalytic activities of low loading Ag/Al2O3 below 500 °C in selective catalytic reduction (SCR) of NOx by propene with or without the assistance of non-thermal plasma (NTP), which was mainly attributed to the competition between SO2 and NO. By controlling the loadings of Ag and Ag+ over alumina, the resistance of SO2 was remarkably enhanced between 400 °C and 500 °C in thermal SCR. In the NTP-assisted SCR, most of the NOx conversions were also apparently recovered from 250 °C to 500 °C.

Keywords
Non-thermal plasma; Selective catalytic reduction; Lean burn; NOx; Ag/γ-Al2O3; Propene
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Resistance to sulfidation of the catalytic reduction of NOx over Ag/Al2O3 by controlling the loadings of Ag and Ag+
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 8, Issue 3, March 2007, Pages 589–592
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
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