The solubility of selenate-AFt (3CaO·Al2O 3·3CaSeO4·37.5H2O) and selenate-AFm (3CaO·Al2O3·CaSeO 4·xH2O)

Cement and Concrete Research

Volumn 33, Issue 11, 2003, Pages 1741-1748

  Baur, Isabel ^a   Johnson, C Annette ^a  

^a SWISS FEDERAL INSTITUTE OF AQUATIC SCIENCE AND TECHNOLOGY   (Switzerland)

Author keywords

Characterisation; Ettringite; Modelling; Monosulfate; Waste management

Indexed keywords

COMPUTER SIMULATION; PH EFFECTS; SYNTHESIS (CHEMICAL); WASTE MANAGEMENT; X RAY DIFFRACTION;

MILLIMOLAR RANGE;

CEMENTS;

EID: 0141621076     PISSN: 00088846     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0008-8846(03)00151-0     Document Type: Article

References (32)

1. Taylor H.F.W. Cement Chemistry. 1997;Thomas Telford, London.
2. Kumarathasan P., McCarthy G.J., Hassett D.J., Pflughoeft-Hasset D.F. Oxyanion substituted ettringites: synthesis and characterization; and their potential role in immobilization of As, B, Cr, Se and V. Mater. Res. Soc. Symp. Proc. 178:1990;83-104.
3. McCarthy G.J., Hassett D.J., Bender J.A. Synthesis, crystal chemistry and stability of ettringite, a material with potential applications in hazardous waste immobilization. Mater. Res. Soc. Symp. Proc. 245:1992;129-140.
4. 2O. Cem. Concr. Res. 23:1993;422-430.
5. Myneni S.C.B., Traina S.J., Logan T.J., Waychunas G.A. Oxyanion behavior in alkaline environments: sorption and desorption of arsenate in ettringite. Environ. Sci. Technol. 31:1997;1761-1768.
6. 2O, the chromate analog of ettringite; 5-75 °C. Appl. Geochem. 15:2000;1203-1218.
7. Kindness A., Lachowski E.E., Minocha A.K., Glasser F.P. Immobilisation and fixation of molybdenum (VI) by Portland cement. Waste Manage. 14:1994;97-102.
8. 2O. Cem. Concr. Res. 29:1999;1005-1011.
9. M. Zhang, Incorporation of oxyanionic B, Cr, Mo, and Se into hydrocalumite and ettringite: application to cementitious systems, PhD thesis, University of Waterloo, Canada, 2000.
10. Perkins R.B., Palmer C.D. Solubility of chromate hydrocalumite (3CaO·Al2O3·CaCrO4·nH2O) 5-75 °C. Cem. Concr. Res. 31:2001;983-992.
11. S. Kemakta, A.B. Konsult, Modelling of water flow, barrier degradation, chemistry and radionuclide transport in the near field of a repository for L/ILW, Technical report NTB 88-42, Nagra, 1989.
12. I. Bonhoure, I. Baur, C.A. Johnson, E. Wieland, A.M. Scheidegger, Se(IV/VI) immobilization by cementitious systems: an X-ray absorption study (in preparation).
13. Hayes K.F., Roe A.L., Brown G.E. Jr., Hodgson K.O., Leckie J.O., Parks G.A. In situ X-ray absorption study of surface complexes: selenium oxyanions on a-FeOOH. Science. 238:1987;783-786.
14. Rietra R.P.J.J., Hiemstra T., Riemsdijk W.H.V. Comparison of selenate and sulfate adsorption on goethite. J. Colloid Interface Sci. 240:2001;384-390.
15. Peak D., Sparks D.L. Mechanisms of selenate adsorption on iron oxides and hydroxides. Environ. Sci. Technol. 36:2002;1460-1466.
16. I. Baur, C.A. Johnson, Sorption of selenite and selenate to cement minerals, Environ. Sci. Technol (accepted for publication).
17. Johnson E.A., Rudin M.J., Steinberg S.M., Johnson W.H. The sorption of selenite on various cement formulations. Waste Manage. 20:2000;509-516.
18. Hassett D.J., McCarthy G.J., Kumarathasan P., Pflughoeft-Hassett D. Synthesis and characterization of selenate and sulfate-selenate ettringite structure phases. Mater. Res. Bull. 25:1990;1347-1354.
19. 2O system. Cem. Concr. Res. 21:1991;991-998.
20. H. Pöllmann, Die Kristallchemie der Neubildungen bei Einwirkung von Schadstoffen auf hydraulische Bindemittel, PhD thesis, Friedrich-Alexander University, Erlangen, Germany, 1984.
21. Furrer G. Version 4.0; Institute of Terrestrial Ecology (ITÖ). 1995;Schlieren, Switzerland.
22. J.C.W. Westall, MICROQL: I. A chemical equilibrium program in Basic: II. Computation of adsorption equilibria in Basic, Technical report, EAWAG, 1979.
23. Pöllmann H., Kuzel H.-J., Wenda R. Compounds with ettringite structure. N. Jb. Miner. Abh. 160:1989;133-158.
24. 4. Cem. Concr. Res. 26:1996;27-33.
25. 2O). Cem. Concr. Res. 27:1997;7-13.
26. 2O system at 25 °C. Cem. Concr. Res. 23:1993;221-238.
27. Lachowski E.E., Glasser F.P., Kindness A., Luke K. Justnes H. 10th International Congress on the Chemistry of Cement. vol. 3:1997;3ii091 Amarkai and Congress Göteborg, Gothenburg.
28. Millero F.J., Schreiber D.R. Use of ion pairing model to estimate activity coefficients of the ionic components of natural waters. Am. J. Sci. 282:1982;1508-1540.
29. Ochs M., Lothenbach B., Giffaut E. Uptake of oxo-anions by cements through solid-solution formation: experimental evidence and modelling. Radiochim. Acta. 90:2002;639.
30. Baes C.F., Mesmer R.E. The Hydrolysis of Cations. 1986;Wiley-Interscience, Malabar, FL. reprinted by Robert E. Krieger Publishing.
31. Smith R.M., Martell A.E. Critical Stability Constants. Inorganic Complexes. vol. 4:1976;1-12 Plenum, New York.
32. Séby F., Potin-Gautier M., Giffaut E., Borge G., Donard O.F.X. A critical review of thermodynamic data for selenium species at 25 °C. Chem. Geol. 171:2001;173-194.