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High-Efficiency NOx and PM Exhaust Emission Control for Heavy-Duty On-Highway Diesel Engines - Part Two
Technical Paper
2001-01-3619
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Event:
SAE 2002 World Congress & Exhibition
SAE International Fall Fuels & Lubricants Meeting & Exhibition
Language:
English
Abstract
A 5.9 liter medium-heavy-duty diesel engine was modified to approximate the emissions performance of a MY 2004 US heavy-duty on-highway engine. The engine was tested with and without a diesel exhaust emission control system consisting of catalyzed diesel particulate filters and NOx adsorber catalysts arranged in a dual-path configuration. The goal of this project was to achieve hot-start HDDE-FTP emissions consistent with the recently announced 2007 U.S. heavy-duty engine emissions standards. Supply of hydrocarbon reductant for NOx adsorber regeneration was accomplished via a secondary exhaust fuel injection system. An alternating restriction of the exhaust flow between the two flow paths allowed injection and adsorber regeneration to occur under very low space velocity conditions. NOx and PM emissions over the hot-start portion of the HDDE-FTP transient cycle were 0.13 g/bhp-hr and less than 0.002 g/bhp-hr, respectively.
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Authors
Topic
Citation
Schenk, C., McDonald, J., and Laroo, C., "High-Efficiency NOx and PM Exhaust Emission Control for Heavy-Duty On-Highway Diesel Engines - Part Two," SAE Technical Paper 2001-01-3619, 2001, https://doi.org/10.4271/2001-01-3619.Also In
Diesel Exhaust Emissions Control 2002: SCR, HC De-NOx, and Measurement
Number: SP-1674; Published: 2002-03-04
Number: SP-1674; Published: 2002-03-04
References
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