Mobility of U, Np, Pu, Am and Cm from Spent Nuclear Fuel into Bentonite Clay

Radiochimica Acta

Volumn 82, Issue 1, 1998, Pages 167-171

  Rameback H ^a   Skalberg M ^a   Eklund, U B ^b   Kjellberg, L ^b   Werme, L ^c  

^a CHALMERS UNIVERSITY OF TECHNOLOGY   (Sweden)

^b STUDSVIK NUCLEAR AB   (Sweden)

^c SWEDISH NUCLEAR FUEL AND WASTE MANAGEMENT CO   (Sweden)

Author keywords

Actinides; Americium; Bentonite clay; Curium; Diffusion; Neptunium; Nuclear fuel; Plutonium; UO2 fuel; Uranium

Indexed keywords

EID: 0041735155     PISSN: 00338230     EISSN: None     Source Type: Journal    
DOI: 10.1524/ract.1998.82.special-issue.167     Document Type: Article

References (21)

1. Torstenfelt, B.: "Migration of the fission products strontium, technetium, iodine and cesium in clay", Radiochim. Acta 39, 97 (1986).
2. Miyahara, K., Ashida, T., Kohara, Y., Yusa, Y., Sasaki, N.: "Effect of bulk density on diffusion for cesium in compacted bentonite", Radiochim. Acta 52/53, 293 (1991).
3. Sato, H., Ashida, T., Kohara, Y., Yui, M., Sasaki, N.: "Effect of dry density on diffusion of some radionuclides in compacted sodium bentonite", J. Nucl. Sci. Technol. 29(9), 873 (1992).
4. Oscarsson, D.: "Surface diffusion: Is it an important transport mechanism in compacted clays?", Clays and Clay Minerals 42/5, 534 (1994).
5. Albinsson, Y., Christiansen, B., Engkvist, I., Johansson, W.: "Transport of actinides and Tc through a bentonite backfill containing small quantities of iron or copper", Radiochim. Acta 52/53, 283-286 (1991).
6. Sharma, H. D., Oscarsson, D. W.: "Diffusion of plutonium in mixtures of bentonite and sand at pH 3", AECL, Report no. 10435, 1991.
7. Skålberg, M., Eliasson, L., Skarnemark, G., Torstenfelt, B., Forsyth, R., Holmer, A., Winqvist, B., Allard, B.: "Diffusion of radionuclides from spent oxide fuel into compacted bentonite", Sci. Total Environ. 69, 347 (1988).
8. 2-Fuel in Compacted Bentonite", Mat. Res. Soc. Symp. Proc. 176, 559 (1990).
9. 2 fuel in bentonite clay", Radiochim. Acta 66/67, 405 (1994).
10. 99Tc. Applied in spent nuclear fuel research, Licentiate Thesis, Department of Nuclear Chemistry, Chalmers University of Technology, Göteborg (1994).
11. Allard, B., Beall, G. W.: "Sorption of americium on geologic media", J. Environ. Sci. Health A14(6), 507 (1979).
12. Torstenfelt, B., Andersson, K., Kipatsi, H., Allard, B., Olofsson, U.: "Diffusion measurements in compacted bentonite", Mat. Res. Soc. Symp. Proc. 6, 295 (1982).
13. Ramebäck, H., Skålberg, M.: "Separation of neptunium, plutonium, americium and curium from uranium with di-(2-ethyl hexyl)-phosphoric acid (HDEHP) for radiometric and ICP-MS analysis", to be published in J. Radioanal. Nucl. Chem.
14. Crank, J.: The Mathematics of Diffusion, 2nd edition, Oxford Univ. Press, London (1975).
15. Torstenfelt, B., Allard, B.: "The retention of redox sensitive waste elements in compacted bentonite", Mat. Res. Soc. Symp. Proc. 26, 789 (1984).
16. Idemitsu, K., Furuya, H., Tachi, Y., Inagaki, Y.: "Diffusion of uranium in compacted bentonite in the presence of carbon steel", Mat. Res. Soc. Symp. Proc. 333, 939 (1994).
17. Vannerberg, K.: Modelling of sorption mechanism, Licentiate Thesis, Department of Nuclear Chemistry, Chalmers University of Technology, Göteborg (1994).
18. Silva, R. J., Bidoglio, G., Rand, M. H., Robouch, P. B., Wanner, H., Puigdomenech, I.: Chemical Thermodynamics of americium. Chemical Thermodynamics Series, Vol. 2, OECD Nuclear Energy Agency, Elsevier, Amsterdam (1995).
19. Allard, B.: Actinide solution equilibria and solubilities in geological systems, SKB Report No. 83-35, Swedish Nuclear Fuel and Waste Management Co., Stockholm (1983).
20. Ramebäck, H., Skålberg, M.: Unpublished data.
21. Allard, B., Rydberg, J., Kipatsi, H., Torstenfelt, B.: "Disposal of radioactive waste in granitic bedrock", in: Radioactive waste in geologic storage, (ed. S. Fried), American Chemical Society Symposium Series 100, 47 (1979).