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Etude des propriétés volumétriques (PVT) d'hydrocarbures légers (C1-C4), du dioxyde de carbone et de l'hydrogène sulfuré. Mesures par densimétrie à tube vibrant et modélisation.

Fabien Rivollet
Abstract : Various pollutant contents (ie carbon dioxide, hydrogen sulphide or other sulphur products) are found in produced oils. These latter must undergo a number of transformations and purifications. The design and dimensioning of the corresponding units can well be optimized only if one has reliable and accurate data about phase equilibria and volumetric properties and of course reliable and accurate modeling. This work was devoted partly to measurements of volumetric properties on three binary mixtures (ethane - hydrogen sulphide, ethane - propane and carbon dioxide - hydrogen sulphide). These measurements were carried out using equipment, comprising a vibrating tube densimeter (Paar, model DMA 512 P), which was especially designed and built for this work. The study undertaken about the modeling of volumetric properties made it possible to highlight the inadequacy of the traditional use of cubic equations of state to represent simultaneously volumetric properties and phase equilibria. Among the equations of state investigated, a close attention however was paid to cubic equations of state because of their very great use in the oil field. A new tool was found to adapt cubic equations of state to the simultaneous and satisfactory representation of volumetric properties and phase equilibria. It concerns the coupling of the cubic Redlich-Kwong-Soave equation of state with volume correction through a neural network.
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https://pastel.archives-ouvertes.fr/pastel-00002603
Contributor : Ecole Mines Paristech <>
Submitted on : Thursday, June 28, 2007 - 8:00:00 AM
Last modification on : Wednesday, November 29, 2017 - 3:02:33 PM
Long-term archiving on: : Wednesday, September 8, 2010 - 5:19:33 PM

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Fabien Rivollet. Etude des propriétés volumétriques (PVT) d'hydrocarbures légers (C1-C4), du dioxyde de carbone et de l'hydrogène sulfuré. Mesures par densimétrie à tube vibrant et modélisation.. Chemical Sciences. École Nationale Supérieure des Mines de Paris, 2005. English. ⟨pastel-00002603⟩

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