A review of fundamental factors affecting diesel PM oxidation behaviors

Jian Bing Gao*, Chao Chen Ma, Shi Kai Xing, Li Wei Sun, Li Yong Huang

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

48 Citations (Scopus)

Abstract

Diesel particulate matter (DPF) is usually employed to meet the stringent regulations on particulate matter (PM) emissions for diesel engine. To resolve the DPF regeneration problem, comprehensive information about the factors influencing PM oxidation behaviors must be understood. Large amounts of factors related to PM oxidation activity have been investigated, however, some relations are still ambiguous. This paper reviews the factors related to PM oxidation activity that the factors are divided into the engine-correlated and engine-uncorrelated factors. The methods with both advantages and disadvantages to test the oxidation behaviors are introduced. The microstructure and ingredient being fundamental factors affecting PM oxidation behaviors are as the principle line to correlate PM oxidation behaviors and engine-correlated factors. The relations of engine-correlated factors with oxidation behaviors are obtained though advanced technologies that are mutual complementation. The engine-uncorrelated factors are also reviewed that these factors are vital to oxidation activity changes. Multiple-factor analysis rather than single-factor analysis should be developed to make the oxidation behaviors of diesel PM more clear.

Original languageEnglish
Pages (from-to)330-345
Number of pages16
JournalScience China Technological Sciences
Volume61
Issue number3
DOIs
Publication statusPublished - 1 Mar 2018

Keywords

  • diesel PM
  • ingredient
  • microstructure
  • oxidation behaviors

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