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1 Journal of KONES

1 2000

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Diesel aftertreatment system concepts for future legislation

100%

Bedełek J. , Kang B. S. , Spurk P. , Schafer-Sindlihger A. , Klein H. , Ostgathe K.

Journal of KONES

2000

tom Vol. 7, No. 1-2

29-37

By using engine calibration combined with improved oxidation catalysts, passenger cars meet the EURO-III legislation. For heavy-duty trucks, no catalytic aftertreatment devices are required to fulfil EURO-III. The certification of passenger cars and trucks for EURO IV legislation (2005), which is more severe in NOX and PM reduction compared to EURO III legał limits, will need new concepts. For passenger cars up to 1,500 kg inertia test weight, further engine improvements, in combination with advanced oxidation catalysts may be sufficient to meet the legislation. Heavy passenger cars and trucks will need NOX as well as PM reduction. For NOX emission control, Hydrocarbon-De-NOx, NOx-storage catalysts and urea-SCR systems are under development. The reduction of particulate matter emissions might be solved by particulate traps implementation.