The effects of sulfur poisoning and desulfation temperature on the NOx conversion of LNT+SCR systems for diesel applications

SAE International Journal of Fuels and Lubricants

Volumn 3, Issue 1, 2010, Pages 1-15

  Theis, Joseph R ^a   Ura, Justin A ^a   McCabe, Robert W ^a  

^a FORD MOTOR COMPANY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

A/F RATIO; AGING TEMPERATURES; CU-BASED; DESULFATION; HIGH TEMPERATURE; IN-SITU; LABORATORY STUDIES; LOW TEMPERATURES; PURGE TIME; SCR CATALYSTS; SULFUR POISONING; TEST SEQUENCE; THERMAL DEGRADATIONS;

SULFUR; THERMAL AGING;

CATALYSTS;

EID: 78649758912     PISSN: 19463952     EISSN: 19463960     Source Type: Journal    
DOI: 10.4271/2010-01-0300     Document Type: Article

References (39)

1. Miyoshi, N., Matsumoto, S., Katoh, K., Tanaka, T. et al., "Development of New Concept Three-Way Catalyst for Automotive Lean-Burn Engines", SAE Technical Paper 950809, 1995.
2. Theis, J., Ura, J., Goralski, C., Jr., Jen, H. et al. "The Effect of Ceria Content on the Performance of a NOx Trap", SAE Technical Paper 2003-01-1160, 2003.
3. Theis, J.R., Ura, J.A., Li, J.J., Surnilla, G.G. et al., "NOx Release Characteristics of Lean NOx Traps During Rich Purges", SAE Technical Paper 2003-01-1159, 2003.
4. Erkfeldt, S., Larsson, M., Hedblom, H., and Skoglundh, M., "Sulphur Poisoning and Regeneration of NOx Trap Catalyst for Direct Injected Gasoline Engines", SAE Technical Paper 1999-01-3504, 1999.
5. Erkfeldt S., Skoglundh M., and Larsson M., "Poisoning and Regeneration of NOx adsorbing catalyst for automotive applications", Catalyst Deactivation, Brugge, Belgium, October 11-13, 1999.
6. Matsumoto S., Ikeda Y., Suzuki H., Ogai M., and Miyoshi N., "NOx storage-reduction catalyst for automotive exhaust with improved tolerance against sulfur poisoning", Applied Catalysis B: Environmental 25 (2000) pp 115-124.
7. Hepburn, J.S., Thanasiu, E., Dobson, D.A., and Watkins, W.L., "Experimental and Modeling Investigations of NOx Trap Performance", SAE Technical Paper 962051, 1996.
8. Dou, D. and Bailey, O.H., "Investigation of NOx Adsorber Catalyst Deactivation", SAE Technical Paper 982594, 1998.
9. Strehlau, W., Leyrer, J., Lox, E.S., Kreuzer, T. et al., "New Developments in Lean NOx Catalysis for Gasoline Fueled Passenger Cars in Europe", SAE Technical Paper 962047, 1996.
10. Li, J., Theis, J., Chun, W., Goralski, C. et al., "Sulfur Poisoning and Desulfation of the Lean NOx Trap," SAE Technical Paper 2001-01-2503, 2001.
11. Hodjati, S., Semelle, F., Moral, N., Bert, C. et al., "Impact of Sulphur on the NOx Trap Catalyst Activity- Poisoning and Regeneration Behaviour," SAE Technical Paper 2000-01-1874, 2000.
12. Mahzoul H., Limousy L., Brilhac J., and Gilot P., "Experimental study of SO2 adsorption on barium-based NOx adsorbers", Journal of Analytical and Applied Pyrolysis 56 (2000) pp. 179-193.
13. Miyoshi N. and Mastumoto S., "NOx Storage-reduction Catalyst (NSR Catalyst) for Automotive Engines: Sulfur Poisoning Mechanism and Improvement of Catalyst Performance", Science and Technology in Catalysis, 1998, pp. 245-250.
14. Theis, J.R., Li, J.J., Ura, J.A., and Hurley, R.G., "The Desulfation Characteristics of Lean NOx Traps", SAE Technical Paper 2002-01-0733, 2002.
15. Asik, J.R., Meyer, G.M., and Dobson, D., "Lean NOx Trap Desulfation Through Rapid Air Fuel Modulation", SAE Technical Paper 2000-01-1200, 2000.
16. Theis, J.R., Ura, J.A., Goralski, C.T., Jr., Caine, J. et al., "The Effects of Aging Temperature and PGM Loading on the NOx Storage Capacity of Lean NOx Trap", SAE Technical Paper 2005-01-1117, 2005.
17. Theis, J.R., Ura, J.A., and McCabe, R.W., "The Effects of Platinum and Rhodium on the Functional Properties of a Lean NOx Trap," SAE Technical Paper 2007-01-1055, 2007.
18. Lambert C., "Urea SCR and DPF System for Diesel Sport Utility Vehicle Meeting Tier 2 Bin 5", presented at U.S. Department of Energy Diesel Engine Emissions Reduction (DEER) conference, Chicago, August 2005.
19. Schommers J. and Breitbach H., "A Global Emission Strategy - Bluetec for Diesel Engines", Auto Technology, Pages 48-51, Mar. 2007.
20. Hu, H., Reuter, J., Yan, J., and McCarthy, J., Jr., "Advanced NOx Aftertreatment System And Controls For On-Highway Heavy Duty Diesel Engines," SAE Technical Paper 2006-01-3552, 2006.
21. Roecker, R., Zhan, R., and Stanglmaier, R.H., "Feasibility Investigation of a High-Efficiency NOx Aftertreatment System for Diesel Engines," SAE Technical Paper 2007-01-3983, 2007.
22. Snow, R., Cavatatio, G., Dobson, D., Montreuil, C. et al., "Calibration of a LNT-SCR Diesel Aftertreatment System," SAE Technical Paper 2007-01-1244, 2007.
23. Snow, R., Dobson, D., Hammerle, R., and Katare, S., "Robustness of a LNT-SCR System to Aging Protocol," SAE Technical Paper 2007-01-0469, 2007.
24. McCarthy, J., Jr. and Holtgreven, J., "Advanced NOx Aftertreatment System Performance Following 150 LNT Desulfation Events," SAE Technical Paper 2008-01-1541, 2008.
25. Enderele, C., Vent, G., and Paule, M., "BLUETEC Diesel Technology - Clean, Efficient and Powerful," SAE Technical Paper 2008-01-1182, 2008.
26. Xu, L., McCabe, R., Ruona, W., and Cavataio, G., "Impact of a Cu-zeolite SCR Catalyst on the Performance of a Diesel LNT+SCR System," SAE Technical Paper 2009-01-0285, 2009.
27. Parks, J. and Prikhodko, V., "Ammonia Production and Utilization in a Hybrid LNT+SCR System," SAE Technical Paper 2009-01-2739, 2009.
28. Theis, J.R., "Selective Catalytic Reduction for Treating the NOx Emissions from Lean-Burn Gasoline Engines: Durability Assessment," SAE Int. J. Fuels Lubr. 1(1): 376-383, 2008.
29. Cavataio, G., Kim, J.Y., Warner, J.R., Girard, J.W. et al., "Development of Emission Transfer Functions for Predicting the Deterioration of a Cu-Zeolite SCR Catalyst," SAE Technical Paper 2009-01-1282, 2009.
30. Katoh K., et al., US Patent No. US5483795, Jan 16, 2006.
31. Kihara T., et al., US Patent no. US5577382, Nov 26, 2006.
32. Asanuma T., et al., US Patent no. 5735119, Apr 7, 1998.
33. Hepburn J., US Patent no. 5743084, Apr 28, 1998.
34. Theis J., US Patent no. US6497092 B1, Dec 24, 2002.
35. Theis J. and Balland J., "A NOx Adsorber Diagnostic System for Direct-Injection Gasoline Applications", pp. 99-110, Global Powertrain Congress, Stuttgart, Germany, 1999.
36. Krebs, R., Pott, E., Kreuzer, T.P., Gobel, U. et al., "Exhaust Gas Aftertreatment of Volkswagen FSI Fuel Stratified Injection Engines," SAE Technical Paper 2002-01-0346, 2002.
37. Sunohara, D., Kohketsu, S., Nakayama, S., Tanabe, K. et al., "Control of Rich Spike with Adaptive Estimation of Stored NOx in Lean NOx Trap for a Diesel Engine," SAE Technical Paper 2005-01-1090, 2005.
38. Tatur, M., Koehler, E., Laermann, M., Tomazic, D. et al., "Lean NOx Trap for Heavy-Duty On-Road Applications - A Feasible Alternative?," SAE Technical Paper 2007-01-4179, 2007.
39. Tatur, M., Laermann, M., Koehler, E., Tomazic, D. et al., "Development of an Emission Controls Concept for an IDI Heavy-Duty Diesel Engine Meeting 2007 Phase-In Emission Standards," SAE Technical Paper 2007-01-0235, 2007.