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Diesel Aftertreatment Systems: 2004-2007, A Cost Assessment

Warren, James (2001). Diesel Aftertreatment Systems: 2004-2007, A Cost Assessment. SAE Technical Paper Series, article no. 2001-01-1948.

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DOI (Digital Object Identifier) Link: https://doi.org/10.4271/2001-01-1948
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Abstract

This study assesses the exhaust aftertreatment technologies, and the costs thereof, required to achieve future emissions legislation.

Firstly, a brief summary of the types of systems is addressed with a cost of implementation implicitly attached to each system of choice. The three major routes considered to meet the various legislated limits are: a diesel particulate filter coupled with EGR (exhaust gas recirculation), a selective catalytic reduction (SCR) system based on urea, and a combination of both a filter and SCR. The systems are reviewed with an emphasis on emissions reduction potential as well as possible diesel fuel savings where applicable.

Secondly, the cost implications of using a secondary, water-based fuel (urea) on board diesel vehicles as a basis for NOx reduction via a simple discounted cash flow methodology are explored. By utilising the methodology described, various parameters such as fuel costs (both diesel and urea), annual mileage, fuel economy, and system cost can be varied and examined in detail. The ‘system’ costs are calculated throughout the vehicle life, within a practical framework, in order to assess the feasibility of implementing these advanced aftertreatment systems in the future.

Other issues that are briefly considered include quantities of urea predicted to meet the needs of the systems, urea fuel storage and delivery aspects, and potential increase in urea production.

Item Type: Journal Item
Copyright Holders: 2001 Society of Automotive Engineers, Inc.
ISSN: 0148-7191
Project Funding Details:
Funded Project NameProject IDFunding Body
Not SetNot SetThe Open University (OU)
Extra Information: Reprinted from: Diesel Emissions Technology (SP-1626)
International Spring Fuels & Lubricants Meeting Technical Papers
Keywords: diesel; aftertreatment; SCR; urea; cost; payback period; fuel cost; diesel exhaust emissions control; exhaust gas recirculation; diesel particulate filters
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Engineering and Innovation
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Research Group: Design and Innovation
Item ID: 47930
Depositing User: James Warren
Date Deposited: 28 Nov 2016 09:14
Last Modified: 08 Dec 2018 10:09
URI: http://oro.open.ac.uk/id/eprint/47930
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