Revisión Diagramas de Equilibrio Líquido-Sólido

Transcripción

1 Dpto. Ingeniería Química Revisión Diagramas de Equilibrio Líquido-Sólido Prof.Dr. Juan A. Reyes-Labarta 65

2 Análisis gráfico de la estabilidad de las fases condensadas TEORÍA DEL PLANO TANGENTE (Energía de Mezcla de Gibbs) P.ej. Sistema LLS ternario: 66

3 Análisis gráfico de la estabilidad de las fases condensadas TEORÍA DEL PLANO TANGENTE (Energía de Mezcla de Gibbs) P.ej. Sistema LLS ternario: 1L 2L 67

4 Análisis gráfico de la estabilidad de las fases condensadas TEORÍA DEL PLANO TANGENTE (Energía de Mezcla de Gibbs) P.ej. Sistema LLS ternario: 1L+1S 2L+1S 68

5 Análisis gráfico de la estabilidad de las fases condensadas TEORÍA DEL PLANO TANGENTE (Energía de Mezcla de Gibbs) P.ej. Sistema LLS ternario: 1L 2L 1L+1S 2L+1S 69

6 Simultaneous Correlation of LL, LS and LLS Equilibrium Data for Water + Organic Solvent + Salt Ternary Systems J.A. Reyes-Labarta, M.M. Olaya, M.D. Serrano, A. Botella and A. Marcilla Simultaneous correlation of water + organic solvent + salt system with hydrates A more complex situation is considered with two forms for the solid phase: - anhydrous pure solid (S) - monohydrated (Sh) Water + 1-butanol + LiCl LiCl H2O) system: (anhydrous and monohydrated, 8 different equilibrium regions are found (6 heterogeneous). EQUIFASE 2006 (Morelia, MÉXICO) 70

7 Diagramas de equilibrio LLS SISTEMA TERNARIO T,P=cte. Sal Triángulo de reparto 1L+1S 2L+1S Agua 1L 2L 1L+1S 1L Disolvente Sal anhidra Sal Monohidratada L+S LSSh LSh LLSh L LSh LS Agua LL Disolvente 71

8 Diagramas de equilibrio LL SISTEMAS CUATERNARIOS-T,P=cte. Sistemas cuaternarios Agua (1) + Soluto (2) + Disolvente (3) + Soluto (4) 72

9 Diagramas de equilibrio LLS SISTEMAS CUATERNARIOS-T,P=cte. Agua/Acetona/1-Butanol/Cloruro Sódico a 25ºC Agua/Etanol/1-Butanol/Cloruro Sódico a 25ºC 73

10 BIBLIOGRAFÍA relacionada Diagramas de equilibrio LLS (T y P ctes.) -Marcilla, A.; Olaya, M.M.; Reyes, J.; Gómez, A. Graphical analysis of the phase equilibria diagram. V Iberoamerican Conference on Phase Equilibria and Fluid Properties for Process Design. EQUIFASE 99 Book of Proceedings, pag. : Vigo (España), Reyes-Labarta, J.A.; Olaya M.M.; Serrano M.D.; Botella, A.; Marcilla, A. Simultaneous Correlation of LL, LS and LLS Equilibrium Data for Water + Organic Solvent + Salt Ternary Systems:Part I (Anhydrous Solid Phase )-II (Hydrated Solid Phases Formation). VII Iberoamerican Conference on Phase Equilibria and Fluid Properties for Process Design. EQUIFASE Morelia, Michoacán (MEXICO), Reyes-Labarta, J.A. ;Olaya, M.M. ; Serrano, M.D.; Botella, A.; Marcilla, A. Simultaneous Correlation of LL, LS and LLS Equilibrium Data for Water + Organic Solvent + Salt Ternary Systems. 10th Mediterranean Congress of Chemical Engineering. EXPOQUIMIA 05. Barcelona (España), Olaya, M.M. ;Reyes-Labarta, J.A.;Serrano,M.D.;Marcilla, A. Gibss energy topological analysis for constructing liquid-liquid phase diagrams for ternary systems. 10th Mediterranean Congress of Chemical Engineering. EXPOQUIMIA 05. Barcelona (España), Marcilla, A.; Reyes-Labarta, J.A.; Botella, A.; Gómez, A.; Olaya, M. M. Comments on the limitations of the different thermodynamic methods for the simultaneous representation of all phase equilibrium regions. 9th Mediterranean Congress of Chemical Engineering. EXPOQUIMIA 02. Barcelona (España), Marcilla, A.; Olaya, M.M.; Reyes-Labarta, J.A.; Botella, A. Limitations of the Thermodynamic Models and Methods for Phase Equilibrium. Proposal of a New Methodology. 4th European Congress of Chemical Engineering. Granada (España), Marcilla, A.; Reyes-Labarta, J.A.; Olaya, M.M.; Serrano M.D. Simultaneous Correlation of LL, LS and LLS Equilibrium Data for Water + Organic Solvent + Salt Ternary Systems. Hydrated Solid Phase Formation. Industrial & Engineering Chemistry Research, 47, (2008). -Olaya, M.M.; Marcilla, A.; Serrano,M.D.; Botella A.; Reyes-Labarta, J.A. Simultaneous Correlation of LL, LS and LLS Equilibrium Data for Water + Organic Solvent + Salt Ternary Systems. Anhydrous Solid Phase. Industrial & Engineering Chemistry Research, 46, (2007). -Reyes, J.A.; Conesa, J.A.; Marcilla, A.; Olaya, M.M. Solid-Liquid Equilibrium Thermodinamics: checking stability in multiphase systems using Gibbs Energy Function. Industrial & Engineering Chemistry Research, 40, (2001). 74