Modeling Alkaline Silicate Solutions at 25 °C

Industrial and Engineering Chemistry Research

Volumn 42, Issue 26, 2003, Pages 6970-6976

  Weber, Charles F ^a   Hunt, Rodney D ^a  

^a OAK RIDGE NATIONAL LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ALKALINITY; NUCLEAR MAGNETIC RESONANCE; POLYMERS; SILICATES; SOLUBILITY; THERMODYNAMICS;

ION-INTERACTION APPROACH;

CHEMICAL ENGINEERING;

SILICATE; SODIUM HYDROXIDE; SODIUM NITRATE;

MATHEMATICAL MODELING; THERMODYNAMICS;

ALKALINITY; AQUEOUS SOLUTION; ARTICLE; MODEL; MOLECULAR DYNAMICS; MOLECULAR INTERACTION; NUCLEAR MAGNETIC RESONANCE; PH MEASUREMENT; SOLUBILITY; TEMPERATURE DEPENDENCE; THERMODYNAMICS;

EID: 0346734329     PISSN: 08885885     EISSN: None     Source Type: Journal    
DOI: 10.1021/ie0303449     Document Type: Article

References (22)

1. Iler, R. K. The Chemistry of Silica: Solubility, Polymerization, Colloid and Surface Properties, and Biochemistry; Wiley: New York, 1979.
2. Alexander, G. B.; Heston, W. M.; Iler, R. K. The Solubility of Amorphous Silica in Water. J. Phys. Chem. 1954, 58, 453.
3. Zarubin, D. P.; Nemkina, N. V. The Solubility of Amorphous Silica in an Alkaline Aqueous Media at a Constant Ionic Strength. Russ. J. Inorg. Chem. 1990, 35 (1), 16.
4. Svensson, I. L.; Sjöberg, S.; Öhman, L.-O. Polysilicate Equilibria in Concentrated Sodium Silicate Solutions. J. Chem. Soc. Faraday Trans. I 1986, 82, 3635.
5. McCormick, A. V.; Bell, A. T.; Radke, C. J. Quantitative Demonstration of Siliceous Species in Sodium Silicate Solutions by Silicon-29 NMR Spectroscopy. ZEOLITES 1987, 7, 183.
6. Kinrade, S. D.; Swaddle, T. W. Silicon-29 NMR Studies of Aqueous Silicate Solutions. 1. Chemical Shifts and Equilibria. Inorg. Chem. 1988, 27, 4253.
7. Marshall, W. L. Amorphous Silica Solubilities-I. Behavior in Aqueous Sodium Nitrate Solutions; 25-300 °C, 0-6 Molal. Geochim. Cosmochim. Acta 1980, 44, 907.
8. Marshall, W. L.; Warakomski, J. M. Amorphous Silica Solubilities-II. Effect of Aqueous Salt Solutions at 25 °C. Geochim. Cosmochim. Acta 1980, 44, 915.
9. Eikenberg, J. On the Problem of Silica Solubility at High pH; PSI-Bericht Nr. 74, Paul Scherrer Institut, 1990.
10. SefiK, J.; McCormick, A. V. Thermochemistry of Aqueous Silicate Solution Precursors to Ceramics. AIChE J. 1997, 43 (11A), 2773.
11. Caullet, P.; Guth, J. L. Observed and Calculated Silicate and Aluminosilicate Oligomer Concentrations in Alkaline Aqueous Solutions. In Zeolite Synthesis; Occelli, M. L., Robson, H., Eds.; American Chemical Society: Washington, DC, 1989.
12. Grenthe, I.; Fuger, J.; Konings, R. J. M.; Lemire, R. M.; Muller, A. B.; Nguyen-Trung, C.; Wanner, H. Chemical Thermodynamics of Uranium; North-Holland, Amsterdam, Netherlands, 1992.
13. Sjöberg, S.; Öhman, L.-O.; Ingri, N. Equilibrium and Structural Studies of Silicon (IV) and Aluminium (III) in Aqueous Solution. 11. Polysilicate Formation in Alkaline Aqueous Solution, A Combined Potentiometric and 29Si NMR Study. Acta Chem. Scand. A 1985, 39, 93.
14. Eriksson, G. Thermodynamic Studies of High-Temperature Equilibria. XII. SOLGASMIX, A Computer Program for Calculation of Equilibrium Compositions in Multiphase Systems. Chem. Scripta 1975, 8, 100.
15. Weber, C. F. Convergence of the Equilibrium Code SOLGASMIX. J. Comput. Phys. 1998, 145, 655.
16. Pitzer, K. S. Thermodynamics of Electrolytes. I. Theoretical Basis and General Equations. J. Phys. Chem. 1973, 77, 268.
17. Pitzer, K. S. Ion Interaction Approach: Theory and Data Correlation. In Activity Coefficients in Electrolyte Solutions, 2nd ed.; Pitzer, K. S., Ed.; CRC Press: Boca Raton, Florida, 1991.
18. Weber, C. F. Thermodynamic Modeling of Savannah River Waste Solutions; Draft letter report, April 4, 2001.
19. HSC Chemistry for Windows, Version 2.0, Outokumpu Research (P. O. Box 60, FIN-28101 PORI, Finland), May 31, 1994.
20. Weber, C. F.; Beahm, E. C.; Watson, J. S. Modeling Thermodynamics and Phase Equilibria for Aqueous Solutions of Trisodium Phosphate. J. Soln. Chem. 1999, 28 (11), 1207.
21. Weber, C. F.; Beahm, E. C.; Lee, D. D.; Watson, J. S. A Solubility Model for Aqueous Solutions Containing Sodium, Fluoride, and Phosphate Ions. Ind. Eng. Chem. Res. 2000, 39, 518-26.
22. Weber, C. F. Calculation of Pitzer Parameters at High Ionic Strengths. Ind. Eng. Chem. Res. 2000, 39, 4422-6.