Effect of INTP on the Composition and Functional Groups of PM in Diesel Engine

doi:10.7652/xjtuxb201803009

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Effect of INTP on the Composition and Functional Groups of PM in Diesel Engine

更新时间：2025-07-09

- Effect of INTP on the Composition and Functional Groups of PM in Diesel Engine
- Vol. 52, Issue 3, Pages: 63-68(2018)
- 作者机构：
  
  江苏大学汽车与交通工程学院,江苏,镇江,212013
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb201803009
  CLC： TK421.5
- Online First：10 March 2018，
  
  Published：2018
- 稿件说明：
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Effect of INTP on the Composition and Functional Groups of PM in Diesel Engine[J]. 2018, 52(3): 63-68.
DOI：

Effect of INTP on the Composition and Functional Groups of PM in Diesel Engine[J]. 2018, 52(3): 63-68. DOI： 10.7652/xjtuxb201803009.

摘要

为探究间接低温等离子体(INTP)对柴油机颗粒物(PM)成分及官能团的影响

以氧气作为介质阻挡放电式低温等离子体发生器的气源

搭建了INTP技术处理柴油机PM的试验台架

利用热重分析仪、傅里叶红外光谱仪和微克天平探究了低温等离子体对柴油机PM成分、官能团和质量的影响。试验结果表明:INTP处理后PM的成分发生了明显变化

挥发性物质的质量分数下降至48%～71%

固体碳的含量上升至29%～52%; PM的特征温度和表观活化能都有所下降

INTP降低了PM的氧化温度

提高了PM的氧化活性; INTP处理后

PM表面的烷基官能团减少

新生成的含氧官能团和芳香环使PM氧化活性增强; 经过INTP处理后

柴油机PM去除量为7.91～26.732 mg

去除率为40%～80%。

Abstract

In order to investigate the effect of indirect non-thermal plasma(INTP)on composition and functional groups of diesel particulate matter(PM)

oxygen was used as the gas source of non-thermal plasma reactor with dielectric barrier discharge and a test bench for the treatment of diesel PM by using INTP technology was built up. A thermo-gravimetric analyzer

a Fourier transform infrared spectroscopy and a microgram balance were used to investigate the effects of non-thermal plasma on the composition

functional groups and quality of PM. The results show that the composition of PM changes obviously after the treatment of INTP. The proportion of volatile matter falls to 48%-71%

and solid carbon accounts for an increase to 29%-52%. The characteristic temperatures and apparent activation energy of PM both decrease after INTP

so INTP has the ability to make PM easier to be oxidized at a lower temperature and improve the oxidation activity of PM. After the treatment of INTP

the alkyl functional groups on the PM surface are reduced

and the newly formed oxygen-containing functional groups and aromatic rings enhance the PM oxidation activity. The removal mass and rate of PM is 7.91-26.732 mg and 40%-80% respectively after INTP treatment.

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references

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