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Simultaneous PM and NOx Reduction System for Diesel Engines
Technical Paper
2002-01-0957
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
A new after-treatment system called DPNR (Diesel Particulate-NOx Reduction System) has been developed for simultaneous and continuous reduction of particulate matter (PM) and nitrogen oxides (NOx) in diesel exhaust gas. This system consists of both a new catalytic technology and a new diesel combustion technology which enables rich operating conditions in diesel engines. The catalytic converter for the DPNR has a newly developed porous ceramic structure coated with a NOx storage reduction catalyst. A fresh DPNR catalyst reduced more than 80 % of both PM and NOx. This paper describes the concept and performance of the system in detail. Especially, the details of the PM oxidation mechanism in DPNR are described.
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Citation
Nakatani, K., Hirota, S., Takeshima, S., Itoh, K. et al., "Simultaneous PM and NOx Reduction System for Diesel Engines," SAE Technical Paper 2002-01-0957, 2002, https://doi.org/10.4271/2002-01-0957.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
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