Enhancing effect of H2 on the selective reduction of NO with CO over Ba-doped Ir/WO3/SiO2 catalyst

Masaaki Haneda, Kouji Chiba, Atsushi Takahashi, Motoi Sasaki, Tadahiro Fujitani, Hideaki Hamada

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


In order to improve the catalytic performance of supported-Ir catalysts for the selective reduction of NO with CO, the effect of H2 was investigated. While adding H2 showed no or negative effect on NO conversion on Ir/SiO2, Ba/Ir/SiO2 and Ir/WO 3/SiO2 catalysts, the activity of Ba-doped Ir/WO 3/SiO2 catalyst for NO reduction was significantly increased by H2 addition. The role of H2 was found to stabilize the catalytically active Ir-WO x sites during the reaction.

Original languageEnglish
Pages (from-to)159-164
Number of pages6
JournalCatalysis Letters
Issue number3-4
Publication statusPublished - 2007 Oct
Externally publishedYes


  • Ba-doped Ir/WO /SiO
  • Carbon monoxide
  • Hydrogen
  • Selective reduction

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

Fingerprint Dive into the research topics of 'Enhancing effect of H<sub>2</sub> on the selective reduction of NO with CO over Ba-doped Ir/WO<sub>3</sub>/SiO<sub>2</sub> catalyst'. Together they form a unique fingerprint.

Cite this