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Solid-liquid equilibria in mixed electrolyte aqueous solution have been investigated using available thermodynamic data for solids and for aqueous electrolyte solutions. The mean spherical approximation (MSA) modified by Lu et al. [Fluid Phase Equilib. 85 (1993) 81] is used to calculate the mean ionic activity coefficients in mixed electrolyte solutions at saturation conditions. Solid-liquid equilibria...
The prevention of wax formation under high pressure on new diesel engine requires a good understanding of the behaviour of the paraffin molecules crystallization. In this work a diesel from a Petrogal refinery was investigated under pressure. In particular the melting curve was measured from atmospheric pressure to 100MPa by an optical technique. The behaviour of the solid phase with the pressure...
Liquid-solid phase equilibrium measurements were carried out at various pressures and temperatures below the onset of crystallization in a mixture made up of a distribution of paraffins with composition exponentially decreasing from n-C 6 to n-C 36. Liquid and solid phases in partially frozen mixtures were separated by isobaric and isothermal filtration and analyzed by gas...
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