NEW CORDIERITE DIESEL PARTICULATE FILTERS FOR CATALYZED AND NON-CATALYZED APPLICATIONS
Cordierite diesel particulate filters provide an economical approach to diesel emissions control. However, further reduction in the pressure drop of catalyzed and non-catalyzed cordierite filters is desirable. In order to derive a fundamental understanding of the relationship between clean and sootloaded pressure drop and the pore microstructure of the ceramic, and to optimize the microstructure for filter performance, cordierite filters have been fabricated spanning an extended range in porosity, pore size distribution, and pore connectivity. Analysis of the results has been applied to the development of several new cordierite diesel particulate filters that possess a unique combination of high filtration efficiency, high strength, and very low clean and soot-loaded pressure drop. Furthermore, catalyst systems have been developed that result in a minimal pressure drop increase of the catalyzed filter. Optimization of porosity and cell geometry has enabled fabrication o f filters with either high or low thermal mass appropriate to the regeneration strategy employed for a given engine management system.
- Research Organization:
- Corning Incorporated; Johnson Matthey (US)
- Sponsoring Organization:
- USDOE Office of Energy Efficiency and Renewable Energy (EE) (US)
- OSTI ID:
- 829860
- Report Number(s):
- CONF-200308-139; TRN: US200429%%35
- Resource Relation:
- Conference: 9th Diesel Engine Emissions Reduction (DEER) Workshop 2003, Newport, RI (US), 08/24/2003--08/28/2003; Other Information: New Cordierite Diesel Particulate Filters for Catalyzed and Non-Catalyzed Heavy-Duty Applications; PBD: 24 Aug 2003
- Country of Publication:
- United States
- Language:
- English
Similar Records
The effect of porosity on the mechanical properties of cordierite diesel particulate filter substrates
Fuel additive effect upon diesel particulate filters