Modeling Nox Storage on Pt-Ba/Alumina Catalysts
Lei Cao1, Brian R. Kromer1, Lasitha Cumaranatunge1, Shadab Mulla1, Joshua L. Ratts1, W. Nicholas Delgass1, Fabio H. Ribeiro1, James M. Caruthers1, Aleksey Yezerets2 and Neal W. Currier2, (1)Chemical Engineering, Purdue University, Forney Hall of Chemical Engineering, 480 Stadium Mall Drive, West Lafayette, IN 47907, (2)Catalyst Technology and Emissions Chemistry, Cummins Inc., 1900 McKinley Ave., MC 50183, Columbus, IN 47201 |
Various Roles of Water in the Pt-Ba/Alumina Lean Nox Trap Catalysts
Do Heui Kim1, Ja Hun Kwak1, Janos Szanyi1, Ya-Huei Chin1, XianQin Wang1, Jonathan Hanson2 and Charles H. F. Peden1, (1)Pacific Northwest National Laboratory, 902 Battelle Blvd., Richland, WA 99352, (2)Chemistry Department, Brookhaven National Laboratory, Upton, NY 11937 |
Mechanistic Investigation of Nsr (Nitrogen Oxide Storage and Reduction) Catalysts
Yu Su, Department of Chemical Engineering, University of South Carolina, 301 S. Main St, Columbia, SC 29208, Michael D. Amiridis, Chemical Engineering, University of South Carolina, 301 S. Main St, Columbia, SC 29208, Karen S. Kabin, University of Houston, Engineering Bldg. 1 (Rm S222-D1), Houston, TX 77204-4004, Michael P. Harold, Chemical Engineering, University of Houston, 4800 Calhoun Rd.,, S222-D1, Houston, TX 77204 and Robert D. Clayton, Chemical Engineering, University of Houston, 8810 Stone Fair Lane, Houston, TX 77075 |
Lean NOX Trap Pt-Ba/Al2O3 Model Catalyst: Stability and Reactivity of Barium Species under Different Purging Conditions
Xiaoyin Chen, University of Michigan, 2300 Hayward, 3085 H H Dow, Ann Arbor, MI 48109 and Johannes Schwank, Chemical Engineering, University of Michigan, 2300 Hayward, 3085 H H Dow, Ann Arbor, MI 48109 |
Product Speciation during Regeneration of Lean NoX Traps
Richard S. Larson1, Josh A. Pihl2,
Veerathu K. Chakravarthy2 and C. Stuart Daw2, (1)Sandia National Laboratory, Livermore, CA 94551, (2)Fuels, Engines and Emissions Research Center, Oak Ridge National Laboratory, 2360 Cherahala Blvd., Knoxville, TN 37932 |
Peculiar Changes in Pt Accessibility and Morphology for Pt/Bao-Al2O3 Lean NoX Trap Catalysts with Different Sulfation Levels
XianQin Wang, Do Heui Kim, Ja Hun Kwak, Chongmin Wang and Charles H. F. Peden, Institute for Interfacial Catalysis, Pacific Northwest National Laboratory, 902 Battelle Blvd., MS K8-93, Richland, WA 99352 |
Modeling and Experimental Tap Studies on the Kinetics of Nox Storage and Reduction over Pt/Alumina and Pt/Ba/Alumina Catalysts
Vinay S. Medhekar, Michael P. Harold and Vemuri Balakotaiah, Chemical Engineering, University of Houston, 4800 Calhoun Rd.,, S222-D1, Houston, TX 77204 |
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