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Revisión Diagramas de Equilibrio

Líquido-Sólido

Prof.Dr. Juan A. Reyes-Labarta ©http://iq.ua.es/~jareyes/

Dpto. Ingeniería Química

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Análisis gráfico de la estabilidad de las fases condensadas

TEORÍA DEL PLANO TANGENTE (Energía de Mezcla de Gibbs)

P.ej. Sistema LLS ternario:

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Análisis gráfico de la estabilidad de las fases condensadas

TEORÍA DEL PLANO TANGENTE (Energía de Mezcla de Gibbs)

1L 2L

P.ej. Sistema LLS ternario:

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Análisis gráfico de la estabilidad de las fases condensadas

TEORÍA DEL PLANO TANGENTE (Energía de Mezcla de Gibbs)

1L+1S2L+1S

P.ej. Sistema LLS ternario:

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Análisis gráfico de la estabilidad de las fases condensadas

TEORÍA DEL PLANO TANGENTE (Energía de Mezcla de Gibbs)

1L2L1L+1S2L+1S

P.ej. Sistema LLS ternario:

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Simultaneous Correlation of LL, LS and LLS Equilibrium Data forWater + Organic Solvent + Salt Ternary Systems

J.A. Reyes-Labarta, M.M. Olaya, M.D. Serrano, A. Botella and A. Marcilla

Water + 1-butanol + LiCl (anhydrous and monohydrated, LiCl·H2O) system:

8 different equilibrium regions are found (6 heterogeneous).

Simultaneous correlation of Simultaneous correlation of water + organic solvent + salt system with hydrates water + organic solvent + salt system with hydrates

EQUIFASE 2006 (Morelia, MÉXICO)

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A more complex situation is considered with two forms for the solid phase:- anhydrous pure solid (S)- monohydrated (Sh)

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DisolventeAgua

Sal anhidra

LSh

L+S

L

Sal Monohidratada

LL

LLSh

LSSh

LSh

LS

Diagramas de equilibrio LLS – SISTEMA TERNARIO – T,P=cte.

Agua Disolvente

Sal

1L2L

1L

2L+1S

1L+1S

1L+1

S

Triángulo de reparto

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Diagramas de equilibrio LL – SISTEMAS CUATERNARIOS-T,P=cte.

Sistemas cuaternariosAgua (1) + Soluto (2) + Disolvente (3) + Soluto (4)

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Agua/Etanol/1-Butanol/Cloruro Sódico a 25ºC

Agua/Acetona/1-Butanol/Cloruro Sódico a 25ºC

Diagramas de equilibrio LLS – SISTEMAS CUATERNARIOS-T,P=cte. ©

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-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. : 3 – 10. Vigo (España), 1999.

-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 2006. Morelia, Michoacán (MEXICO), 2006.

-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 MediterraneanCongress of Chemical Engineering. EXPOQUIMIA’05. Barcelona (España), 2005.

-Olaya, M.M. ;Reyes-Labarta, J.A.;Serrano,M.D.;Marcilla, A. Gibss energy topological analysis for constructingliquid-liquid phase diagrams for ternary systems. 10th Mediterranean Congress of Chemical Engineering. EXPOQUIMIA’05. Barcelona (España), 2005.

-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. 9thMediterranean Congress of Chemical Engineering. EXPOQUIMIA’02. Barcelona (España), 2002.

-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), 2003.

-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, 2100-2108 (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, 7030- 7037 (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, 902-907 (2001).

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BIBLIOGRAFÍA relacionadaDiagramas de equilibrio LLS (T y P ctes.)