NDLI: A Multifunctional Converter for Purifying Diesel Exhaust Gas with a Self-Heat Exchange Function

Content Provider	Springer Nature Link
Author	Obuchi, A. Ohi, A. Hirata, S. Uchisawa, J. Nanba, T.
Copyright Year	2013
Abstract	As a continuation of our study of heat-integrated converters, we have fabricated a multifunctional converter that can treat all the components of emissions from diesel vehicles, namely CO, hydrocarbons, nitrogen oxides (NO$_{ x }$), and particulate matter (PM). NO$_{ x }$ is reduced over a NH$_{3}$-SCR catalyst while PM is removed by a diesel particulate filter. The converter is also equipped with a self-heat exchanger that transfers heat from downstream to upstream of the converter, increasing the converter temperature and thereby substantially improving its performance. In an experiment using a 2.2-L engine vehicle operated at a constant speed of 60 km/h, the NO$_{ x }$ and PM reduction rates respectively reached 98 and 99.97 % due to efficient heating of the exhaust gas from 117 to 320 °C in the converter by the addition of H$_{2}$ in the exhaust gas combined with the self-heat exchange function. Under transient driving conditions (Japanese 10–15 mode), the total NO$_{ x }$ reduction rate was 96 %.
Starting Page	365
Ending Page	371
Page Count	7
File Format	PDF
ISSN	10225528
Journal	Topics in Catalysis
Volume Number	56
Issue Number	1-8
e-ISSN	15729028
Language	English
Publisher	Springer US
Publisher Date	2013-02-23
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Multifunctional converter Self-heat exchanger Diesel NO$_{ x }$ Particulate matter Catalysis Physical Chemistry Pharmacy Industrial Chemistry/Chemical Engineering Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Chemistry Catalysis

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A Novel Approach to Catalysis for NO$_{ x }$ Reduction in Diesel Exhaust Gas

A catalytic diesel particulate filter with a heat recovery function

Development of Catalysts for Diesel Particulate NO$_{ x }$ Reduction

Influencing Parameters on the Microwave-Based Soot Load Determination of Diesel Particulate Filters

NO$_{ x }$ reduction in the exhaust of mobile heavy-duty diesel engines by urea-SCR

Selective reduction of NO$_{ X }$ in diesel exhaust with hydrocarbons over alumina in NEDC conditions

Characterization of phosphorus poisoning on diesel exhaust gas catalyst components containing oxide and Pt

Performance of potassium-promoted catalysts for NO$_{ x }$ and soot removal from simulated diesel exhaust

Particulate Matter Oxidation over Ash-Deposited Catalyzed Diesel Particulate Filters

A Multifunctional Converter for Purifying Diesel Exhaust Gas with a Self-Heat Exchange Function

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