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Article Dans Une Revue Fluid Phase Equilibria Année : 2005

Paraffin crystallization in synthetic mixtures: Predictive local composition models revisited

Résumé

Aiming at identify the shortcomings of the available models for the description of the solid phase non-ideality, new solid liquid equilibrium data for multicomponent hydrocarbon systems was measured. The Predictive UNIQUAC and Wilson models for the description of the solid phase non-ideality, previously proposed, are here compared against this new data. The weaknesses displayed by these models on the predictive description of the measured phase behavior helps to identify their limitations and this is expected to lead to a new improved model for the solid phase non-ideality. Following this approach a new UNIQUAC based model is proposed that seems to overcome the limitations of the models identified on this work.

Dates et versions

hal-00338119 , version 1 (11-11-2008)

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J. A.P. Coutinho, Carla Goncalves, Isabel M. Marrucho, Jérôme Pauly, Jean-Luc Daridon. Paraffin crystallization in synthetic mixtures: Predictive local composition models revisited. Fluid Phase Equilibria, 2005, 233 (1), pp.28-33. ⟨10.1016/j.fluid.2005.04.007⟩. ⟨hal-00338119⟩

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