کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
204527 | 460745 | 2006 | 8 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Phase behavior of binary mixture of asphaltene + solvent and ternary mixture of asphaltene + solvent + precipitant Phase behavior of binary mixture of asphaltene + solvent and ternary mixture of asphaltene + solvent + precipitant](/preview/png/204527.png)
Asphaltene precipitation is a perennial problem in producing and refining crude oils. To study asphaltene precipitation, it is useful to model the solubility of asphaltenes in petroleum fluids as a function of temperature and liquid-phase composition. In this work a polymer solution model is used for asphaltene precipitation in two cases. In the first case a binary mixture is considered which consists of asphaltene as a polymer component and crude oil as the solvent. In the second case ap ternary mixture is considered which consists of asphaltene as a polymer component and crude oil as the solvent and a precipitant as the third component. The phase diagrams and phase stability limits obtained for a sample of crude oil with four different precipitants are presented.
Journal: Fluid Phase Equilibria - Volume 245, Issue 2, 10 August 2006, Pages 117–124