An investigation of the role of surface nitrate species in the oxidation of propene on a Pt-based diesel oxidation catalyst

Sarayute Chansai, Robbie Burch, Christopher Hardacre, Harry Oh, William S. Epling, Sarayute Chansai

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)
160 Downloads (Pure)

Abstract

Enhancing the low temperature activity of diesel oxidation catalysts is important for cold-start conditions and the possible importance of nitrate species in oxidation reactions has been proposed although definitive evidence has not been reported. To investigate the possible role of surface nitrates, their adsorption and reactivity on a Pt-based diesel oxidation catalyst have been investigated using the Short Time on Stream (STOS) transient kinetic technique. The results provide for the first time definitive evidence for the oxidation of propene by some of these nitrate-type species.
Original languageEnglish
Pages (from-to)2349-2356
Number of pages8
JournalCATALYSIS SCIENCE & TECHNOLOGY
Volume3
Issue number9
Early online date21 Jun 2013
DOIs
Publication statusPublished - 01 Sep 2013

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