Low Temperature NO Storage of Zeolite Supported Pd for Low Temperature Diesel Engine Emission Control

Hai Ying Chen, Jillian E. Collier, Dongxia Liu, Loredana Mantarosie, Desirée Durán-Martín, Vladimír Novák, Raj R. Rajaram, David Thompsett

Research output: Contribution to journalArticlepeer-review

176 Scopus citations

Abstract

Abstract: Pd supported on various zeolites has been found to be able to adsorb NO at temperatures below 200 °C with high storage efficiency and capacities in a gas feed which simulate diesel engine exhaust conditions. Highly dispersed Pd at the exchange sites of the zeolites are believed to be the active site for the low temperature NO storage. Different framework structures of the zeolites significantly affect not only the NO storage capacity but also the NOx desorption temperature. These materials show high potential for low temperature NOx emission control. Graphical Abstract: [Figure not available: see fulltext.]

Original languageEnglish
Pages (from-to)1706-1711
Number of pages6
JournalCatalysis Letters
Volume146
Issue number9
DOIs
StatePublished - Sep 1 2016
Externally publishedYes

Keywords

  • Environmental catalysis
  • Low temperature NO storage
  • NOx adsorption
  • Zeolite supported Pd

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