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Advanced Platinum-Rhodium Exhaust Catalysts - An Economic Alternative To Palladium-Rhodium
Technical Paper
2000-01-1418
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Three-way catalysts based on the use of palladium have proved highly effective at meeting the most stringent emissions legislation around the world. This has led to a rapid increase in the amount of palladium used in autocatalyst applications which has contributed to an increase in the palladium price. This has prompted a renewed interest in the use of platinum in advanced three-way catalyst (TWC) formulations. This paper compares the performance of advanced platinum-rhodium and palladium-rhodium technology on an engine test-bed. This showed the new platinum-rhodium catalyst to have equal or better performance at similar precious metal cost. Tests on selected vehicles confirmed future emissions standards can be achieved using the platinum-based catalysts.
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Authors
- R. J. Brisiey - Johnson Matthey Catalytic Systems Division, Royston, UK
- N. R. Collins - Johnson Matthey Catalytic Systems Division, Royston, UK
- A. C. French - Johnson Matthey Catalytic Systems Division, Royston, UK
- D. Morris - Johnson Matthey Catalytic Systems Division, Royston, UK
- R. D. O'Sullivan - Johnson Matthey Catalytic Systems Division, Royston, UK
- M. V. Twigg - Johnson Matthey Catalytic Systems Division, Royston, UK
Citation
Brisiey, R., Collins, N., French, A., Morris, D. et al., "Advanced Platinum-Rhodium Exhaust Catalysts - An Economic Alternative To Palladium-Rhodium," SAE Technical Paper 2000-01-1418, 2000, https://doi.org/10.4271/2000-01-1418.Also In
References
- Hepburn, J. S. Patel, K. S. Meneghel, M. G. Gandhi, H. S Engelhard TWC Dev. Team, and Johnson Matthey TWC Dev. Team “Development of Pd-only Three Way Catalyst Technology” SAE 941058 1994
- Brisley, R. J. Chandler, G. R. Jones, H. R. Andersen, P. J. Shady, P. J. “The Use of Palladium in Advanced Catalysts” SAE 950259 1995
- Hu, Z. Heck, R. M. “High Temperature Ultra Stable Close-Coupled Catalysts” SAE 950254 1995
- Cowley, A. Platinum 1998 Johnson Matthey May 1998
- Collins, N. R. Chandler, G. R. Brisley, R. J. Andersen, P. J. Shady, P. J. Roth, S. A. “Catalyst Improvements to Meet European Stage III and ULEV Emissions Criteria” SAE 960799 1996
- Andersen, P. J. Ballinger, T. H. “Improvements in Pd:Rh and Pt:Rh Three Way Catalysts” SAE 990308 1999