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Ιδιότητες και φυσικοχημική συμπεριφορά ρευστών πλούσιων σε Διοξείδιο του Άνθρακα

Nedeljkovic Milan

Πλήρης Εγγραφή

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Περίληψη

The main goal of this master thesis project is to compare two PVT simulation software packages. The simulator software programs under study are the KBC’s (now acquired by Yokogawa Company) Multiflash and HydraFLASH from HydraFact Ltd. Both simulators are supposed to make same predictions and compared to existing experimental data. However, it is shown that performance of them might exhibit significant differences, even though same equations of state were applied for calculations in both software.Introduction chapter provides brief description of Carbon Capture and Storage process, as well as overview of properties of carbon dioxide. In Chapter 2, popular equations of states employed for calculations will be presented, as well as short description of software packages used for this project. In chapter 3 density will be discussed, which is one of the most important thermophysical property for CCS processes. Both multi-component and binary mixtures will be examined. In chapter 4, speed of sound property will be discussed. Chapter 5 presents solubility of CO2 in water and salt aqueous phase, and lastly Chapter 6, provides information about hydrate dissociation data between two software and experimental data. In the conclusions part our thoughts regarding both software packages will be finalized and therefore final judgement will be made.By finalizing this study, a more solid judgement on performance of these two software programs on the different simulations has been built.

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