2. Academic Validation
  3. Discrimination methods for diesel origin by analyzing fatty acid methyl ester (FAME) composition in diesel-contaminated soil

Discrimination methods for diesel origin by analyzing fatty acid methyl ester (FAME) composition in diesel-contaminated soil

  • Sci Rep. 2021 Aug 10;11(1):16245. doi: 10.1038/s41598-021-95780-3.
Myoung-Soo Ko 1 2,  Seunghak Lee 3
Affiliations

Affiliations

  • 1 Department of Energy and Resources Engineering, Kangwon National University, Chuncheon, 24341, Republic of Korea. msko@kangwon.ac.kr.
  • 2 Department of Integrated Energy and Infra System, Graduate School, Kangwon National University, Chuncheon, 24341, Republic of Korea. msko@kangwon.ac.kr.
  • 3 Water Cycle Research Center, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea. seunglee@kist.re.kr.
PMID: 34376767 DOI: 10.1038/s41598-021-95780-3
Abstract

The biodiesel containing fatty acid methyl esters (FAMEs) are blended with refined diesel products. Here, we evaluate relative FAME composition ratio as a potential index to discriminate the pollution origin in diesel-contaminated soil. Artificially contaminated soil was prepared to mimic the release of petroleum products using four different refined diesels; in addition, the contaminated soil was put under natural weathering conditions. The variations in the relative FAME composition ratio was compared with those of the corresponding diesel origin using principal component analysis (PCA) for 60 days. All soil samples could be classified into four groups according to diesel origin using two principal components. The proposed method can be used to discriminate the specific diesel pollution origin in contaminated soils.

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