Uptake of oxo-anions by cements through solid-solution formation: Experimental evidence and modelling

Radiochimica Acta

Volumn 90, Issue 9-11, 2002, Pages 639-646

  Ochs, Michael ^a   Lothenbach, Barbara ^a   Giffaut, Eric ^b  

^a BMG Engineering Ltd   (Switzerland)

^b ANDRA   (France)

Author keywords

Cement; Chromium; Ettringite; Selenium; Solid solufion; Uptake

Indexed keywords

ALUMINUM OXIDE; ANION; CEMENT; CHROMIC ACID; ETTRINGITE; RHENIUM; SELENATE; SULFATE; UNCLASSIFIED DRUG;

CALCULATION; CHEMICAL ANALYSIS; CONFERENCE PAPER; LEACHING; MATERIALS; MATERIALS TESTING; QUANTITATIVE ANALYSIS; SOLID;

EID: 0038041251     PISSN: 00338230     EISSN: None     Source Type: Journal    
DOI: 10.1524/ract.2002.90.9-11_2002.639     Document Type: Conference Paper

References (25)

1. Berner, U.: Concentration limits in the cement-based Swiss repository for long-lived. intermediate-level radioactive wastes (LMA). PSI Report 99-10, Paul Scherrer Institut, Villigen, Switzerland (1999).
2. Bradbury, M. H., Van Loon, L. R.: Cementitious near-field sorption data bases for performance assessment of a L/ILW repository in a Palfris Marl host rock. CEM-94: Update I, June 1997. PSI Report 98-01, Paul Scherrer Institut, Villigen, Switzerland (1998).
3. Johnson, E. A., Rudin, M. J., Steinberg, S. M., Johnson, W. H.: The sorption of selenite on various cement formulations. Waste Management 20, 509 (2000).
4. Kuan, W. H., Lo, S. L., Wang, M. K., Lin, C. F.: Removal of Se(IV) and Se(VI) from water by aluminum-oxide-coated sand. Wat. Res. 32, 915 (1998).
5. Wijnja, H., Schulthess, C. P.: Interaction of carbonate and organic anions with sulfate and selenate adsorption on an aluminum oxide. Soil Sci. Soc. Am. J. 64, 898 (2000).
6. Manceau, A., Charlet, L.: The mechanism of selenate adsorption on goethite and hydrous ferric oxide. J. Colloid Interface Sci. 168, 87 (1994).
7. Su, C., Suarez, D. L.: Selenate and selenite sorption on iron oxides: an infrared and electrophoretic study. Soil Sci. Soc. Am. J. 64, 101 (2000).
8. Cowan, C. E., Zachara, J. M., Resch, C. T.: Solution ion effects on the surface exchange of selenite on calcite. Geochim. Cosmochim, Acta 54, 2223 (1990).
9. 2- in synthetic calcite single crystals. Geochim. Cosmochim. Acta 58, 2087 (1994).
10. Stumm, W., Morgan, J. J.: Aquatic Chemistry. 3rd ed., John Wiley and Sons, Inc., New York (1996).
11. Weng, C. H., Huang, C. P., Allen, H. E., Leavens, P. B., Sanders, P. F.: Chemical interactions between Cr(VI) and hydrous concrete particles. Envi. Sci. Technol. 30, 371 (1996).
12. Kindness, A., Macias, A., Glasser, F. P.: Immobilization of chromium in cement matrices. Waste Management 14, 3 (1994).
13. Lea, F. M.: High-alumina cement. In: The Chemistry of Cement and Concrete. 3th ed., Arnold, London (1970) pp. 490-527.
14. Ochs, M., Hager, D., Helfer, S, Lothenbach, B.: Solubility of radionuclides in fresh and leached cementitious systems at 22 °C and 50 °C. Mater. Res. Soc. Symp. Proc. 506, 773 (1998).
15. Berner, U.: A thermodynamic description of the evolution of pore water chemistry and uranium speciation during the degradation of cement. PSI Report 62, Paul Scherrer Institut, Villigen, Switzerland (1990).
16. Neall, F.: Modelling of the near-field chemistry of the SMA-repository at the Wellenberg site: application of the extended cement degradation model. NTB 94-03, Nagra, Wettingen, Switzerland (1994).
17. Engkvist, I., Albinsson, Y., Johansson Engkvist, W.: The long-term stability of cement - leaching tests. SKB Technical Report 96-09, Stockholm, Sweden (1996).
18. Taylor, H. F. W.: Cement Chemistry. Academic Press, London, UK (1990).
19. Kumarathasan, P., McCarthy, G. J., Hassett, G. J., Pflughoeft-Hasset, D. F.: Oxyanion substituted ettringites: synthesis and characterisation and their potential role in immobilisation of As, B, Cr, Se and V. Mat. Res. Soc. Symp. Proc. 178, 83 (1990).
20. 2O. Cem. Concr. Res. 23, 422 (1993).
21. Curti, E.: Coprecipitation of radionuclides: basic concepts, literature reviews and first applications. PSI Report 97-10, Villigen PSI, Switzerland (1997).
22. Doerner, H. A., Hoskins, W. M.: Co-precipitation of radium and barium sulphates. J. Amer. Chem. Soc. 47, 662 (1925).
23. Wagman, D. D., Evans, W. H., Parker, V. B., Schumm, R. H., Halow, I., Bailey, S. M. Churney, K. L., Nuttall, C. D.: The NBS Tables of Chemical Thermodynamic Properties: Selected Values for Inorganic and C1 and C2 Organic Substances in SI Units. J. Phys. Chem. Ref. Data 11, Suppl. 2 (1982).
24. Ochs, M., Lothenbach, B., Hager, D., Helfer, A., Wierczinski, B. and Skarnemark, G.: Solubility limits and adsorption reactions. Experimental and theoretical investigation on the behaviour of Sn, Ni, Eu (Am), Pb, Re (Tc), Th, Sr and Cs in cementitious systems. ANDRA Technical Note C NT 0BMG 97-001, Châtenay-Malabry, France (1997).
25. d Models and Datasets for the Retention of Radionuclides in Cementitious Repositories. ANDRA Technical Note C.RP.0BMG.01-001 (2002).