4.3 Article

Catalytic NO-CO Reactions over La-Al2O3 Supported Pd: Promotion Effect of La

Journal

CHEMISTRY LETTERS
Volume 47, Issue 8, Pages 1036-1039

Publisher

CHEMICAL SOC JAPAN
DOI: 10.1246/cl.180388

Keywords

La-Al2O3; NO-CO reaction; NOx

Funding

  1. JSPS KAKENHI from the Japan Society for the Promotion of Science (JSPS) [17H01341, 18K14051]
  2. Japanese Ministry of Education, Culture, Sports, Science, and Technology (MEXT) within the project Integrated Research Consortium on Chemical Sciences (IRCCS)
  3. Japanese Ministry of Education, Culture, Sports, Science, and Technology (MEXT) within the project Elements Strategy Initiative to Form Core Research Center
  4. JST-CREST project [JPMJCR17J3]

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Studies were carried out to explore catalytic NO-CO reactions promoted by La-loaded and unloaded Al2O3 supported Pd in both powder and cordierite monolithic honeycomb forms. La introduction significantly enhanced catalytic activity toward the NO-CO reaction. The results of in situ FT-IR studies suggest that the promotion effect of La is a consequence of efficient formation of surface nitrite species and their reactivity upon introduction of CO as a reactant.

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