Plasma Chemistry and Plasma Processing

, Volume 39, Issue 1, pp 143–163 | Cite as

Effect of the Reaction Temperature on the Removal of Diesel Particulate Matter by Ozone Injection

  • Runlin Fan
  • Yixi Cai
  • Yunxi ShiEmail author
  • Yingxin Cui
Original Paper


This study seeks to investigate the removal efficiency of particulate matter (PM) from the actual diesel exhaust at various reaction temperatures by using non-thermal plasma (NTP). The effect of the reaction temperature on removal efficiency was reflected by the change in the concentration of particles in different modes and the weight fraction of volatile organics in PM. The Arrhenius equation was used to determine the apparent activation energies Ea of the soot in PM. In addition, the difference in the oxidation reaction at various reaction temperatures and the effect of NTP on the properties of PM were discussed. After considering the decreasing ranges of the total concentration and the weight of the PM, it was determined that 120 °C is the optimal temperature choice for PM removal. The decreasing range of the total concentration reached 57.13% and 66.79% of PM was removed when the PM is measured by weight. NTP has better effect on the removal of smaller particles. The weight fraction of the volatile fraction markedly decreases after the reaction and the apparent activation energy of soot noticeably decreased. The oxidizability of the excited species in NTP was enhanced with the increase of the reaction temperature. However, the excited species concentration declined concurrently, resulting in the occurrence of the optimized range of reaction temperature. The particles were removed by the oxidation that occurred on the surface of the primary particle and the disintegration of the structure of the particles.


Non-thermal plasma Particulate matter Temperature Oxidative activity Size distribution Thermos-gravimetric analysis 



This research was supported primarily by the National Natural Science Foundation of China (Nos. 51806085, 51676089), the Major projects of natural science research in colleges and universities in Jiangsu Province (No. 16KJA470002), and the Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions (PADA).

Compliance with Ethical Standards

Conflict of interest

The authors declare no competing financial interest.

Supplementary material

11090_2018_9947_MOESM1_ESM.pdf (114 kb)
Supplementary material 1 (PDF 113 kb)


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.School of Automotive and Traffic EngineeringJiangsu UniversityZhenjiangChina

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