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Particulate Trap Regeneration Induced by Means of Oxidizing Agents injected Into the Exhaust Gas
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Abstract
One method of particulate trap regeneration involves the use of soot ignition temperature-reducing substances. With such oxidants injected into the trap, soot combustion can be induced at exhaust gas temperatures as low as 210°C.
Practical application of this method depends on extremely even distribution of the oxidizing agent over the filter-active surface and careful optimization of the quantity to be injected according to oxidant properties, trap load and exhaust gas flow, temperature and oxygen concentration.
Further efforts are necessary to reduce regeneration frequency as well as oxidant consumption. The search for alternative oxidant composition is continuing in an attempt to achieve these goals and alleviete any environmental concerns.
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Citation
Hardenberg, H., Daudel, H., and Erdmannsdörfer, H., "Particulate Trap Regeneration Induced by Means of Oxidizing Agents injected Into the Exhaust Gas," SAE Technical Paper 870016, 1987, https://doi.org/10.4271/870016.Also In
References
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- Hardenberg, H.O. Verringerung der Umweltbelastung durch Stadtlinienomni-busse Nahverkehr 2 1984 5 18 26
- Hardenberg, H.O. Urban Bus Application of a Ceramic Fiber Coil Particulate Trap SAE International Congress Detroit Feb. 1987
- Hardenberg, H.O. Daudel, H.L. Erdmannsdörfer, H.J.: Experiences in the Development of Ceramic Fiber Coil Particulate Traps SAE International Congress Detroit Feb. 1987
- Hardenberg, H.O. Wickelrußfilter für Stadtomnibusse in der Erprobung im Verkehrsbetrieb Nahverkehr 4 1986 4 45 48