Vendeuvre Colombe, Ruiz-Guerrero Rosario, Bertoncini Fabrice, Duval Laurent, Thiébaut Didier, Hennion Marie-Claire
Institut Français du Pétrole, BP3, 69390 Vernaison, France.
J Chromatogr A. 2005 Sep 9;1086(1-2):21-8. doi: 10.1016/j.chroma.2005.05.106.
The detailed characterisation of middle distillates is essential for a better understanding of reactions involved in refining process. Owing to higher resolution power and enhanced sensitivity, comprehensive two-dimensional gas chromatography (GC x GC) is a powerful tool for improving characterisation of petroleum samples. The aim of this paper is to compare GC x GC and various ASTM methods -- gas chromatography (GC), liquid chromatography (LC) and mass spectrometry (MS) -- for group type separation and detailed hydrocarbon analysis. Best features of GC x GC are demonstrated and compared to these techniques in terms of cost, time consumption and accuracy. In particular, a new approach of simulated distillation (SimDis-GC x GC) is proposed: compared to the standard method ASTM D2887 it gives unequal information for better understanding of conversion process.
对中间馏分进行详细表征对于更好地理解炼油过程中涉及的反应至关重要。由于具有更高的分辨率和增强的灵敏度，全二维气相色谱法（GC×GC）是改进石油样品表征的有力工具。本文旨在比较GC×GC与各种ASTM方法——气相色谱法（GC）、液相色谱法（LC）和质谱法（MS）——用于族类型分离和详细烃类分析。展示了GC×GC的最佳特性，并在成本、时间消耗和准确性方面与这些技术进行了比较。特别是，提出了一种模拟蒸馏的新方法（SimDis-GC×GC）：与标准方法ASTM D2887相比，它提供了不同的信息，有助于更好地理解转化过程。
