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Mutual solubilities of hydrocarbons and water with the CPA EoS |
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| Authors: | MB Oliveira JAP Coutinho AJ Queimada |
| Institution: | 1. CICECO, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal;2. Laboratory of Separation and Reaction Engineering (LSRE), Faculdade de Engenharia, Universidade do Porto, Rua do Dr. Roberto Frias, 4200-465 Porto, Portugal |
| Abstract: | The knowledge of hydrocarbon/water phase equilibria is important in the design and operation of equipment for petroleum transport and refining and petrochemical plants. The presence of water in a hydrocarbon mixture can affect the product quality and damage the operation equipment due to corrosion and formation of gas hydrates. Tracing the concentration of hydrocarbons in aqueous media is also important for technical purposes like preventing oil spills and for ecological concerns such as predicting the fate of these organic pollutants in the environment. |
| Keywords: | AAD average absolute deviation APACT associated perturbed anisotropic chain theory CPA cubic plus association EoS equation of state LLE liquid&ndash liquid equilibria MHV2 second-order modified Huron&ndash Vidal mixing rules NP number of data points SAFT statistical associating fluid theory SRK Soave&ndash Redlich&ndash Kwong UNIFAC universal functional activity coefficient model |
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