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Effect of non-thermal plasma injection flow rate on diesel particulate filter regeneration at room temperature

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Abstract

For the regeneration of diesel particulate filters (DPF) using non-thermal plasma (NTP), both cost-effectiveness and regeneration efficiency should be raised. This study compared and contrasted the physicochemical characteristics of carbon black and engine particulate matter (PM). After carbon black was put into the DPF, an experimental setup for the oxidation of PM using NTP was created. The findings showed that carbon black and PM samples had comparable oxidation traits, micro-nanostructures, and C/O elemental ratios. O3, the main active species in NTP, was susceptible to heat breakdown, and the rate of decomposition of O3 increases with increasing temperature. The removal effectiveness of carbon black first improved and subsequently declined with an increase in the NTP injection flow rate during offline DPF regeneration using NTP at room temperature. A relatively high carbon black removal efficiency of 85.1% was achieved at an NTP injection flow rate of 30 L/min.

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The data will be available from the corresponding author upon a reasonable request.

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (No. 52276115) and the Major Projects of Natural Science Research in Colleges and Universities in Jiangsu Province (No.21KJA470001).

Funding

This study was funded by The National Natural Science Foundation of China, No. 52276115, Yunxi Shi, the Major Projects of Natural Science Research in Colleges and Universities in Jiangsu Province, No. 21KJA470001, Yunxi Shi

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Authors and Affiliations

  1. School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang, 212013, Jiangsu, People’s Republic of China

    Xulong Chen, Yunxi Shi, Yixi Cai, Junfeng Xie, Yinqin Yang & Daolong Hou

  2. School of Automotive Engineering, Yancheng Institute of Technology, Yancheng, 224051, Jiangsu, People’s Republic of China

    Yongsheng Fan

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  1. Xulong Chen
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Correspondence to Yunxi Shi.

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Chen, X., Shi, Y., Cai, Y. et al. Effect of non-thermal plasma injection flow rate on diesel particulate filter regeneration at room temperature. Carbon Lett. 34, 1075–1089 (2024). https://doi.org/10.1007/s42823-023-00675-0

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