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Control Strategy for NOx - Emission Reduction with SCR

2003; Linguagem: Inglês

10.4271/2003-01-3362

2688-3627

D. Seher, Reichelt Michael, Stefan Wickert,

Advanced Combustion Engine Technologies

Future emission standards for heavy-duty vehicles like Euro 4, Euro 5, US '07 require advanced engine functionality. One contribution to achieve this target is the catalytic reduction of nitrogen oxides by injection of urea water solution to the exhaust gas. An overview on a urea dosing system, also called DENOXTRONIC, is given and a dosing strategy is described.