Boric Acid Equilibria in Near-Critical and Supercritical Water

Industrial and Engineering Chemistry Research

Volumn 37, Issue 5, 1998, Pages 2045-2051

  Wofford, William T ^a   Gloyna, Earnest F ^a   Johnston, Keith P ^a  

^a The University of Texas at Austin   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ALCOHOLS; CORRELATION METHODS; HYDROCHLORIC ACID; MATHEMATICAL MODELS; PH; POTASSIUM COMPOUNDS; REACTION KINETICS; SODIUM COMPOUNDS; TITRATION; WATER;

BORIC ACID; BORN MODEL; NAPHTHOL; POTASSIUM HYDROXIDE; SODIUM BORATE;

PHASE EQUILIBRIA;

EID: 0032069708     PISSN: 08885885     EISSN: None     Source Type: Journal    
DOI: 10.1021/ie9707634     Document Type: Article

References (21)

1. Buffers for pH and redox control of hydrothermal systems. In Hydrothermal Experimental Techniques; Ulmer, G. C., Barnes, H. L., Eds.; Wiley-Interscience: New York, 1987.
2. CRC Handbook of Chemistry and Physics; Weast, R. C., Ed. CRC: Boca Raton, FL, 1981.
3. Frantz, J. D.; Marshall, W. L. Electrical conductances and ionization constants of salts, acids, and bases in supercritical aqueous fluids: I. Hydrochloric acid from 100 to 700 C and at pressures to 4000 bar. Am. J. Sci. 1984, 284, 651.
4. Gloyna, E. F.; Li, L. Supercritical water oxidation: An engineering update. Waste Management 1993, 13, 379-394.
5. Ho, P.; Palmer, D. A. Electrical conductivity measurements of aqueous electrolyte solutions at high temperatures and high pressures. In Physical Chemistry of Aqueous Systems: Meeting the Needs of Industry; White, H. J., et al., Ed.; Begell: New York, 1995; p 518.
6. Johnston, K. P.; Bennett, G. E.; Balbuena, P. B.; Rossky, P. J. Continuum electrostatic model for ion solvation and relative acidity of HCl in supercritical water. J. Am. Chem. Soc. 1996, 118, 6746-6752.
7. Luo, H.; Tucker, S. C. Compressible continuum solvation model for molecular solutes. J. Am. Chem. Soc. 1995, 117, 1135911360.
8. Marshall, W. L.; Franck, E. U. Ion product of water substance, 0-1000°C , 1-10,000 bar new international formulation and its backgrund. J. Phys. Chem. Data 1981, 10, 295.
9. Mesmer, R. E.; Baes, C. F.; Sweeton, F. H. Acidity measurements at elevated temperature. VI. Boric acid equilibria. Inorg. Chem. 1972, 11, 537-543.
10. Mesmer, R. E.; Marshall, W. L.; Palmer, D. A.; Simonson, J. M.; Holmes, H. F. Thermodynamics of aqueous association and ionization reactions at high temperatures and pressures. J. Solution Chem. 1988, 17, 699-718.
11. Pitzer, K. S. Activity Coefficients in Electrolyte Solutions; CRC: Boca Raton, FL, 1991.
12. Rashin, A. A.; Honig, B. Reevaluation of the Born model of ion hydration. J. Phys. Chem. 1985, 89, 5588-5593.
13. Ryan, E. T.; Xiang, T.; Johnston, K. P.; Fox, M. A. Absorption and fluorescence studies of acridine in subcritical and supercritical water. J. Phys. Chem. 1997, 101, 1827-1835.
14. Savage, P. E.; Gopalan, S.; Mizan, T. I.; Martino, C. J.; Brock, E. E. Reactions at supercritical conditions: Applications and fundamentals. AIChE J. 1995, 41, 1723.
15. Tanger, J. C., W; Pitzer, K. S. Calculation of the thermodynamic properties of aqueous electrolytes to 1000°C and 5000 bar from a semicontinuum model for ion hydration. J. Phys. Chem. 1989, 93, 4941-4951.
16. Tester, J. W.; Holgate, H. R.; Armellini, F. J.; Webley, P. A.; Killilea, W. R.; Hong, G. T.; Barner, H. E. Supercritical water oxidation technology: A review of process development and fundamental research. In Emerging Technologies in Hazardous Waste Management III; Tedder, D. W., Pohland, F. G., Eds.; American Chemical Society: Washington, D.C., 1993; pp 3576.
17. Wofford, W. T. Dissertation, University of Texas, 1997.
18. Wood, R. H.; Quint, J. R.; Grolier, J.-P. E. Thermodynamics of a charged hard sphere in a compressible dielectric fluid. A modification of the born equation to include the compressibility of the solvent. J. Phys. Chem. 1981, 85, 3944-3949.
19. Xiang, T.; Johnston, K. P. Acid-base behavior of organic compounds in supercritical water. J. Phys. Chem. 1994, 98, 7915.
20. Xiang, T.; Johnston, K. P. Acid-base behavior in supercritical water: /S-Naphthoic acid-ammonia equilibrium. J. Solut. Chem. 1997, 26, 13-30.
21. Xiang, T.; Johnston, K. P.; Wofford, W. T.; Gloyna, E. F. Spectroscopic Measurement of pH in Aqueous Sulfuric Acid and Ammonia from Sub- to Supercritical Conditions. Ind. Eng. Chem. Res. 1996, 35, 4788-4795.