• Understanding the NOx storage process in NOx storage-reduction catalysts: similarities and differences between Ba and K
  • ACS Spring meeting, Anaheim, CA
  • March, 2011.
  • Fundamental study of NOx storage-reduction catalysts: toward the in-depth understanding”, National Transportation Research Center
  • Oak Ridge National Laboratory, Oak Ridge, TN
  • November, 2009.
  • NOx abatement catalyst: an essential enabler for clean and fuel efficient transportation”, Department seminar, School of Mechanical and Materials Engineering
  • Washington State University, Pullman, WA
  • April, 2009.
  • NOx storage-reduction catalysts for Diesel emission control: from laboratory study to the field application
  • Dept. of Chem. & Bio. Eng., KAIST (Korea Advanced Institute of Science and Technology)
    Dept. of Chem. Eng., POSTECH (Pohang University of Science and technology)
    Dept. of Chem. & Bio. Eng., Korea University
  • July, 2008.
  • Fundamental Understanding of sulfation/desulfation mechanisms over Pt-BaO/Al2O3 lean NOx trap catalysts
  • CLEERS (Cross-cut lean exhaust emission reduction simulation) conference
  • December, 2007.
  • Redox and Structural Properties of Nanocrystalline Ceria-Zirconia Alumina for Three-way Catalysis
  • PNNL
  • June, 2002.
  • Redox and Structural Behavior of Ceria-Zirconia-Alumina Three-Way Catalyst” Center for Catalysis and Surface Science
  • Northwestern University
  • Jan. 2002.
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