Three-way catalyst design for urealess passive ammonia SCR: Lean-burn SIDI aftertreatment system

SAE 2011 World Congress and Exhibition

Volumn , Issue , 2011, Pages

  Kim, Chang Hwan ^a   Perry, Kevin ^a   Viola, Michael ^a   Li, Wei ^a   Narayanaswamy, Kushal ^a  

^a GENERAL MOTORS CORPORATION   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AFTER-TREATMENT; AFTER-TREATMENT TECHNOLOGY; AMMONIA-SCR; EMISSION REDUCTION; ENERGY EFFICIENT TECHNOLOGY; ENGINE OPERATIONS; ENGINE TECHNOLOGY; EXHAUST TEMPERATURE; GASOLINE ENGINES; KEY COMPONENT; LEAN NO; LEAN OPERATIONS; LOW COSTS; MATERIAL COST; SCR CATALYSTS; SCR TECHNOLOGY; SHORT PULSE; THREE WAY CATALYSTS; TRANSIENT CYCLE; UREA SOLUTIONS;

FUEL ECONOMY; METABOLISM; REDUCTION; TECHNOLOGY; UREA;

CATALYSTS;

EID: 79959842682     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.4271/2011-01-0306     Document Type: Conference Paper

References (13)

1. Pancotti, C., Pontoppidan, M., Francia, P., Montanari, G., et al., "DGI-Direct Gasoline Injection Status of Development for Spark-Ignited Engines," SAE Technical Paper 2002-01-3519, 2002, doi: 10.4271/2002-01- 3519.
2. Pontoppidan, M., Gaviani, G., Bella, G., and, De Maio, A., "Direct Injection for Future SI Engines-Stand-Alone Combustion Layout or Integrated Part of Multi-Function Fuel/Air Management Approach?" SAE Technical Paper 2003-01-0540, 2003, doi: 10.4271/2003-01-0540.
3. Bartley, G.J.J., and, Gabehart, T.R., "Evaluation of NOx Emission Control Technologies for SIDI Engines," SAE Technical Paper 2002-01-1674, 2002, doi: 10.4271/2002-01-1674.
4. x Emissions From Lean-Burn Gasoline Engines: Durability Assessment," SAE Int. J. Fuels Lubr. 1 (1): 376-383, 2008, doi: 10.4271/2008-01-0811.
5. Li, W., Perry, K.L., Narayanaswamy, K., Kim, C.H., et al., "Passive Ammonia SCR System for Lean-Burn SIDI Engines," SAE Int. J. Fuels Lubr. 3: 1: 99-106, 2010, doi: 10.4271/2010-01-0366.
6. Plerson, W. R., and, Brachaczek, W. W., 1983, "Emissions of ammonia and amines from vehicles on the road," Enironmental Science and Technology, 17 (12), pp. 757-760.
7. Fraser, M. P., and, Cass, G. R., 1998, "Detection of excess ammonia emissions from in-use vehicles and the implications for fine particle control," Environmental Science and Technology, 32 (8), pp. 1053-1057.
8. 2," Surface Science, pp. 2544-2550.
9. Bunluesin, T., Gorte, R. J., and, Graham, G. W., 1998, "Studies of the water-gas-shift reaction on ceria-supported Pt, Pd, and Rh: Implications for oxygen-storage properties," Applied Catalysis B: Environmental, 15 (1-2), pp. 107-114.
10. Voorhoeve, R. J. H., Trimble, L. E., and, Freed, D. J., 1978, "Synthesis of ammonium cyanate and urea by reduction of nitric oxide on platinum, rhodium, and ruthenium catalysts," Science, 200 (4343), pp. 759-761.
11. Yao, Y. F. Y., 1984, "The oxidation of CO and hydrocarbons over noble metal catalysts," Journal of Catalysis, 87 (1), pp. 152-162.
12. 2 and CO-NO reactions over single crystal and supported rhodium catalysts," Journal of Catalysis, 100 (2), pp. 360-376.
13. x reduction behavior of Pt, Pd, and Rh supported catalysts in simulated exhaust gases as a function of oxygen concentration," Topics in Catalysis, 30-31, pp. 319-324.