%0 Journal Article
%T Elementary Analysis of Petroleum Distillates by Gc-Aed: Validation and Application to the Calculation of Distillation Profile Properties Analyse ¨¦l¨¦mentaire des distillats p¨¦troliers par couplage GC-AED : validation et application au calcul de propri¨¦t¨¦s en profil de distillation
%A Baco F.
%A Quignard A.
%A Szymanski R.
%J Oil & Gas Science and Technology
%D 2006
%I Institut Fran?ais du P¨¦trole
%R 10.2516/ogst:1999041
%X This article describes the development of elementary analysis in the distillation profile of petroleum cuts by gas phase chromatography-atomic emission detection (GC-AED) coupling and shows the application perspectives to characterisation of middle distillates of a piece of information unheard of until now on a routine basis. The performances of the analytical assembly used have been studied for carbon, hydrogen, sulphur and nitrogen analysis. Simulated distillation, a gas phase chromatography analysis which enables determining the weight percentage of distilled matter in relation to the boiling point of petroleum cuts, has been adapted to GC-AED coupling. We have developed a method giving access to three types of information: global elementary composition, simulated distillation and elementary composition in distillation profile, i. e. by fraction (%) of the distilled product. The analysis of the atmospheric distillates has been assessed in terms of precision and bias for these various types of information. The validation was carried out notably by comparison with the results obtained using reference analytical methods, on preparative distillation cuts of representative samples. The application of GC-AED to characterisation of distillates is discussed, in particular for classification purposes and for predicting petroleum properties in the distillation profile. The cetane number of gas oils was taken as an example to illustrate the latter application. Cet article d¨¦crit la mise au point de l'analyse ¨¦l¨¦mentaire en profil de distillation des coupes p¨¦troli¨¨res par couplage chromatographie en phase gazeuse-d¨¦tection par ¨¦mission atomique (GC-AED) et montre les perspectives d'application ¨¤ la caract¨¦risation de distillats moyens d'une information jusqu'alors in¨¦dite en routine. Les performances de l'ensemble analytique utilis¨¦ ont ¨¦t¨¦ ¨¦tudi¨¦es pour l'analyse du carbone, de l'hydrog¨¨ne, du soufre et de l'azote. La distillation simul¨¦e, analyse par chromatographie en phase gazeuse qui permet de d¨¦terminer le pourcentage poids de mati¨¨re distill¨¦e, en fonction du point d'¨¦bullition des coupes p¨¦troli¨¨res, a ¨¦t¨¦ adapt¨¦e sur le couplage GC-AED. On a d¨¦velopp¨¦ une m¨¦thode qui donne acc¨¨s ¨¤ trois types d'information : composition ¨¦l¨¦mentaire globale, distillation simul¨¦e et composition ¨¦l¨¦mentaire en profil de distillation, c'est-¨¤-dire par tranche (%) de produit distill¨¦. L'analyse des distillats atmosph¨¦riques a ¨¦t¨¦ ¨¦valu¨¦e en termes de fid¨¦lit¨¦ et de justesse pour ces divers types d'information. La validation a ¨¦t¨¦ r¨¦alis¨¦e notamment par comparaison avec les
%U http://dx.doi.org/10.2516/ogst:1999041