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Study of the Improvement of NOx Reduction With NOx Storage-Reduction Catalyst
Technical Paper
2006-08-0407
Sector:
Event:
JSAE Autumn Conference
Language:
Japanese
Abstract
The improvement of NOx reduction by using NOx Storage-Reduction Catalyst for diesel engine is mentioned. A 2-LEG NOx Storage-Reduction catalyst system (2-LEG system) is one of the aftertreatment technologies for a clean diesel engine. Concerning NOx reduction using NSR catalyst, a secondary fuel injection is necessary to make fuel-rich exhaust condition during the NOx reduction and affects the fuel economy. The relationship between NOx reductions and fuel penalties is investigated by 2-LEG system as comparing with the conventional single flow system. The 2-LEG system achieves high NOx reduction efficiency compared with the single flow NSR system.