Effects of soil organic matter on the transport of non-aqueous phase liquid in soils

Junko Nishiwaki, Yoshishige Kawabe, Yasuhide Sakamoto, Takeshi Komai, Ming Zhang

Research output: Chapter in Book/Report/Conference proceedingChapter


Understanding the transport and fate of gasoline components in soils is of fundamental importance for protecting human health from possible risks. A series of column experiments were performed to investigate the effects of soil organic matter, on the transport of total petroleum hydrocarbons (TPH) and the paraffin (n-paraffin and isoparaffin), olefin, naphthene, and aromatic (PONA) components in 2 typical Japanese soils. The results of this study illustrated the following observations: 1) The remaining mass of regular gasoline in a soil is time-dependent. 2) The major degradation mechanism of regular gasoline in soils would be volatilization. 3) The sorption of regular gasoline by soil organic matter might be one of the major reasons that causes regular gasoline remaining in Kuroboku soil. 4) Aromatic and isoparrafine components are tended to remain in soils.

Original languageEnglish
Title of host publicationSoil Organic Matter
Subtitle of host publicationEcology, Environmental Impact and Management
PublisherNova Science Publishers, Inc.
Number of pages7
ISBN (Print)9781621002727
Publication statusPublished - 2012 Jan 1
Externally publishedYes


  • Gasoline
  • PONA components
  • Soil organic matter
  • Soil type
  • Total petroleum hydrocarbon

ASJC Scopus subject areas

  • Environmental Science(all)


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