Characterisation of middle-distillates by comprehensive two-dimensional gas chromatography (GC×GC): A powerful alternative for performing various standard analysis of middle-distillates

Colombe Vendeuvre 1 Rosario Ruiz-Guerrero 1 Fabrice Bertoncini 1 Laurent Duval 1 Didier Thiébaut 2 Marie-Claire Hennion 2
1 IFPEN - IFP Energies nouvelles
2 ESPCI ParisTech - Ecole Supérieure de Physique et de Chimie Industrielles de la Ville de Paris
Abstract : 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 × GC) is a powerful tool for improving characterisation of petroleum samples. The aim of this paper is to compare GC × 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 × 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 × GC) is proposed: compared to the standard method ASTM D2887 it gives unequal information for better understanding of conversion process.
Keywords : Simulated distillation Group type separation Hydrocarbons Comprehensive two-dimensional gas chromatography ASTM methods
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Colombe Vendeuvre, Rosario Ruiz-Guerrero, Fabrice Bertoncini, Laurent Duval, Didier Thiébaut, et al.. Characterisation of middle-distillates by comprehensive two-dimensional gas chromatography (GC×GC): A powerful alternative for performing various standard analysis of middle-distillates. Journal of Chromatography A, Elsevier, 2005, 2nd International Symposium on Comprehensive Multidimensional Gas Chromatography, 2nd International Symposium on Comprehensive Multidimensional Gas Chromatography, 1086 (1-2), pp.21-28. ⟨http://www.sciencedirect.com/science/article/pii/S0021967305011192⟩. ⟨10.1016/j.chroma.2005.05.106⟩. ⟨hal-01330596⟩

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