Excellent performance of one-pot synthesized Cu-SSZ-13 catalyst for the selective catalytic reduction of NOx with NH3

Lijuan Xie, Fudong Liu, Limin Ren, Xiaoyan Shi, Feng Shou Xiao, Hong He

Research output: Contribution to journalArticlepeer-review

173 Scopus citations

Abstract

Cu-SSZ-13 samples prepared by a novel one-pot synthesis method achieved excellent NH3-SCR performance and high N2 selectivity from 150 to 550 C after ion exchange treatments. The selected Cu3.8-SSZ- 13 catalyst was highly resistant to large space velocity (800 000 h -1) and also maintained high NOx conversion in the presence of CO2, H2O, and C3H6 in the simulated diesel exhaust. Isolated Cu2+ ions located in three different sites were responsible for its excellent NH3-SCR activity. Primary results suggest that the one-pot synthesized Cu-SSZ-13 catalyst is a promising candidate as an NH3-SCR catalyst for the NOx abatement from diesel vehicles.

Original languageEnglish (US)
Pages (from-to)566-572
Number of pages7
JournalEnvironmental Science and Technology
Volume48
Issue number1
DOIs
StatePublished - Jan 7 2014

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