Browse Publications Technical Papers 2001-28-0041
2001-11-01

Diesel Particulate Filters and Fuel Borne Catalysts as a Viable Solution to Reduced Airborne Particulate 2001-28-0041

There is mounting worldwide concern over the health effects of airborne ultra-fine particles. Of greatest concern are the risks due to the cancer-inducing properties of these particles and the aggravation of existing respiratory diseases by the ultra-fine (i.e. <2.5 micron) fraction. This disquiet has already resulted in legislation, regulations and other measures, either mandated or proposed, in the industrialised world to severely restrict particulate emissions from diesel-fuelled automotive transport. Emissions of particles from both new and existing vehicles have been addressed. With the rapid growth anticipated in some developing countries they to will need to address this problem.
This paper outlines some alternative solutions to the problem, ranging from alternative power sources, alternative fuels, alternative engine technologies and after-treatment strategies. It also outlines what is required to implement these different solutions. It concludes that the most cost-effective solution is to fit Diesel Particulate Filters (DPF) to new and existing vehicles and to use a fuel borne catalyst to ensure efficient regeneration of the filter.
The paper then goes on to detail work that has been undertaken to prove the viability of such a solution. A number of different vehicle types have been tested covering a range of engine technologies and vehicle size classifications.

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