Conditions conducive to forming crystalline uranyl silicates in high caustic nuclear waste evaporators

Nuclear Technology

Volumn 154, Issue 2, 2006, Pages 237-246

  Oji, Lawrence N ^a   Martin, Keisha B ^a   Stallings, Mary E ^a   Duff, Martine C ^a  

^a WESTINGHOUSE SAVANNAH RIVER COMPANY   (United States)

Author keywords

Fissile material accumulation; Nuclear waste evaporator; Uranium silicates

Indexed keywords

CHEMICAL REACTIONS; CRYSTALLINE MATERIALS; EVAPORATORS; MIXTURES; SILICATE MINERALS; URANIUM COMPOUNDS;

FISSILE MATERIAL ACCUMULATION; LIQUID WASTE VOLUME; NUCLEAR WASTE EVAPORATORS; NUCLEAR WASTE PROCESSING; REACTION MIXTURE; URANIUM SILICATES;

RADIOACTIVE WASTES;

EID: 33646574344     PISSN: 00295450     EISSN: None     Source Type: Journal    
DOI: 10.13182/NT06-A3731     Document Type: Article

References (12)

1. W. R. WILMARTH, S. D. FINK, D. T. HOBBS, and M. S. HAY, "Characterization and Dissolution Studies of Samples from the 242-16H Gravity Line," WSRC-TR-97-03326, Savannah River National Laboratory (1997).
2. W. R. WILMARTH, D. D. WALKER, and S. D. FINK, "Sodium Aluminosilicate Formation in Tank 43H Simulant," WSRC-TR-97-00389, Savannah River National Laboratory (1997).
3. D. T. HOBBS and T. B. EDWARDS, "Solubility of Uranium in Alkaline Salt Solutions," WSRC-TR-94-453, Savannah River National Laboratory (1994).
4. R. FINCH and T. MURAKAMI, "Systematics and Paragenesis of Uranium Minerals," Reviews in Mineralogy, Uranium: Mineralogy, Geochemistry and the Environment, Vol. 38, Chap. 3, p. 91, P. C. BURNS and R. FINCH, Eds., Mineralogical Society of America, Chantilly, Virginia (1999).
5. S. N. NGUYEN et al., "Standard Gibbs Free Energies of Formation at the Temperature of 303.15 K of Four Uranyl Silicates: Soddyite, Uranophane, Sodium Boltwoodite and Sodium Weeksite," J. Chem. Thermodyn., 24, 359 (1992).
6. F. CESBRON, P. ILDEFONSE, and M. SICHERE, "New Mineralogy Data on Uranophane and Beta-Uranophane; Synthesis of Uranophane," Mineral. Mag., 57, 301 (1993),
7. I. PEREZ et al., "The Thermodynamics and Kinetics of Uranophane Dissolution in Bicarbonate Test Solutions," Geochim. Cosmochim. Acta, 64, 603 (2000).
8. 4 A New Compound Formed During Vapor Hydration of an Actinide-Bearing Borosilicate Waste Glass," J. Nucl. Mater., 278, 290 (2000).
9. R. VOCHTEN, N. BLATON, and O. PEETERS, "Synthesis of Sodium Weeksite and Its Transformation into Weeksite," Neues Jahrb. Mineral., Monatsh., 12, 569 (1997).
10. J. CEJKA, "Infrared Spectroscopy and Thermal Analysis of the Uranyl Minerals," Reviews in Mineralogy, Uranium: Mineralogy, Geochemistry and the Environment, Vol. 38, Chap. 12, p. 521, P. C. BURNS and R. FINCH, Eds., Mineralogical Society of America, Chantilly, Virginia (1999).
11. W. R. WILMARTH, C. J. COLEMAN, A. R. JURGENSEN, W. M. SMITH, J. C. HART, W. T. BOYCE, D. MESSIMER, and C. M. CONLEY, "Characterization and Dissolution Studies of Samples from the 242-16H Evaporator," WSRC-TR-2000-00038, Savannah River National Laboratory (2000).
12. W. R. WILMARTH, C. J. COLEMAN, J. C. HART, and W. T. BOYCE, "Characterization of Sample from the 242-16H Evaporator Wall," WSRC-TR-2000-00089, Savannah River National Laboratory (2000).