Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Compositional Characteristics and Origin of Polycyclic Aromatic Hydrocarbons[PAHs] of Crude Oils and Petroleum Products

원유와 석유제품 중의 다환방향족탄화수소류[PAHs] 분포특성과 발생원

  • Chung, Hung-Ho (Gwangyangbay Zone Environmental Institute) ;
  • Park, Eun-Hee (Gwangyangbay Zone Environmental Institute) ;
  • Choi, Sang-Won (Department Chemical Engineering, College of Engineering, Chonnam National University)
  • 정흥호 (광양만권환경연구소) ;
  • 박은희 (광양만권환경연구소) ;
  • 최상원 (전남대학교 생명화학공학부)
  • Published : 2006.05.01
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Abstract

Compositional characteristics and origin of polycyclic aromatic hydrocarbons(PAHs), which should be strongly regulated for environmental protection in the crude oils and petroleum products, have been investigated by gas chromatography-mass spectrometry(GC/MS). In the crude oils analyzed, two-rings compound(naphthalene) of PAHs was detected around $72.3\sim93.5%$, but five- or six-rings compound of PAHs was not detected. In the crude oils analyzed, the molecular ratio indices of Phe/Ant(phenanthrene/anthracene)>15, Fla/Pyr(fluoranthene/pyrene)<1, BaA/Chr(benzo (a)anthracene/chrysene)$\leq0.4$ could be effectively applied, and we found that the origin of PAHs was petrogenic sources. Total PAHs concentrations in the crude oils were increased with increasing API gravity and with decreasing sulfur contents of the analyzed crude oils. Five- or six-rings compound of PAHs were not included in ail petroleum products except bunker-C. Furthermore, the molecular ratio indices of Phe/Ant(phenanthrene/anthracene) vs. Fla/Pyr(fluoranthene/pyrene) could be effectively applied as the standard for the PAHs contamination criterion at the other Korean areas.

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References

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