Clean Technologies and Environmental Policy

, Volume 19, Issue 3, pp 883–895 | Cite as

Experimental investigation of impact of diesel particulate filter on smoke and NOx emissions of a Euro-I compression ignition engine with active and off-board regeneration

  • Pradeep Kumar Gupta
  • Dilip Sharma
  • Shyam Lal Soni
  • Rahul Goyal
  • Dheeraj Kishor Johar
Original Paper


Old engines (Euro III or earlier) produce more emissions, and it will be difficult to entirely stop their usage especially in developing and under-developed nations; hence, it is desired that appropriate emission reduction technologies are tested on such engines to analyze their feasibility and economical acceptability. While most such studies have been conducted on constant speed stationary engines and modern engines, this study tried to analyze the effectiveness of an uncoated wall-flow type ceramic diesel particulate filter on a Euro-I, water-cooled, direct injection, variable speed, compression ignition engine in a laboratory set-up in India. Also, this study focused on diesel particulate filter regeneration by two methods: active regeneration by diesel injection in the particulate filter using an electronic control unit and off-board regeneration by taking out and heating the diesel particulate filter in an electrical resistance furnace at 650 °C for 10 h. The results, in the form of smoke emission, NOx emission and engine performance, obtained using both the regeneration methods were analyzed, and conclusions were drawn. It was found that using diesel particulate filter, particulate matter emissions (smoke) were almost entirely eliminated. It was also found that off-board regeneration had numerous advantages compared to active regeneration. Since a furnace would be needed for off-board regeneration, an exchange process for diesel particulate filter is suggested.


Diesel particulate filter Particulate matter emission NOx emission Vehicle emissions Exhaust emissions DPF regeneration 



Cells per square inch


Diesel oxidation catalyst


Diesel particulate filter


Electronic control unit


Exhaust gas recirculation


Miniature circuit breaker


Oxides of nitrogen


Particulate matter


Parts per million


Selective catalytic reduction



The authors are grateful for support from Malaviya National Institute of Technology Jaipur (MNIT Jaipur), India. All the equipments, machinery and consumables were provided/funded by MNIT Jaipur. This research received no specific grant from any other funding agency in the public, commercial or not-for-profit sectors.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  • Pradeep Kumar Gupta
    • 1
  • Dilip Sharma
    • 1
  • Shyam Lal Soni
    • 1
  • Rahul Goyal
    • 2
  • Dheeraj Kishor Johar
    • 1
  1. 1.Malaviya National Institute of TechnologyJaipurIndia
  2. 2.Manipal UniversityJaipurIndia

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