原油和燃料油多环芳烃特征组分差异性分析
Analysis on the differences of characteristic components of polycyclic aromatic hydrocarbons between crude oil and fuel oil
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摘要: 本文采用气相色谱/质谱方法(GC-MS),并结合文献数据,分析研究了未风化或风化程度很小的原油和燃料油多环芳烃(PAHs)不同系列组分相对含量的差异性.结果表明,原油萘系列化合物相对含量明显高于燃料油,菲系列和系列化合物相对含量明显低于燃料油,二苯并噻吩和芴系列化合物相对含量无明显差异性.油品萘系列化合物相对含量高于57.0%时,油品可能为原油,含量低于48.9%时,油品可能为燃料油;菲系列化合物相对含量小于21.7%时,油品可能为原油,含量大于22.6%时,油品可能为燃料油;系列化合物相对含量大于5.4%时,油品可能为燃料油.基于16种多环芳烃,原油中苯并蒽和蒽的相对含量低于燃料油,油品中蒽的相对含量大于3.8%,油品可能为燃料油,油品中苯并蒽的相对含量大于5.9%时,油品可能为燃料油.Abstract: In this paper,gas chromatography/mass spectrometry(GC-MS) is used to analyze the relative content of different components of crude oil and fuel oil polycyclic aromatic hydrocarbons(PAHs) with little weathering or weathering in combination with literature data. The results show that the relative content of crude naphthalene series compounds is significantly higher than that of fuel oil. The relative content of phenanthrene series and chrysene series compounds is lower than that of fuel oil. The relative content of dibenzothiophene and the fluorene series components are not significantly different. When the relative content of the naphthalene component of the oil naphthalene series is higher than 57.0%, the oil may be crude oil, and when the content is less than 48.9%, the oil may be fuel oil; When the relative content of phenanthrene series is less than 21.7%, the oil may be crude oil. When the content is more than 22.6%, the oil may be fuel oil; when the relative content of chrysene series component is more than 5.4%, the oil may be fuel oil. Based on 16 polycyclic aromatic hydrocarbons, the relative content of benz(a)anthracene and anthracene in crude oil is lower than that of fuel oil. The relative content of anthracene in the oil is more than 3.8%. The oil may be fuel oil. When the relative content of benz(a)anthracene in the oil is more than 5.9%, the oil may be fuel oil.
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Key words:
- crude oil /
- fuel oil /
- polycyclic aromatic hydrocarbons
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