Journal
TOPICS IN CATALYSIS
Volume 56, Issue 1-8, Pages 34-39Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s11244-013-9925-4
Keywords
Sol-gel; Silver; Alumina; Nitrogen oxide; Hydrocarbon; SCR
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The preparation of Ag/Al2O3 catalysts by nonhydrolytic sol-gel process leads to highly efficient HC-deNOx materials thanks to the silver ability to diffuse toward the surface. The presence of niobium as co-catalyst, with a Nb content comprised between 1 and 3 wt%, enhances the NO reduction efficiency at low temperatures (< 250 A degrees C).
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