Integrated sorption and diffusion model for bentonite. Part 2: Porewater chemistry, sorption and diffusion modeling in compacted systems

Journal of Nuclear Science and Technology

Volumn 51, Issue 10, 2014, Pages 1191-1204

  Tachi, Yukio ^a   Yotsuji, Kenji ^a   Suyama, Tadahiro ^a   Ochs, Michael ^b  

^a JAPAN ATOMIC ENERGY AGENCY   (Japan)

^b BMG Engineering Ltd   (Switzerland)

Author keywords

actinides; compacted bentonite; diffusion; geological disposal; porewater chemistry; radioactive waste; sorption

Indexed keywords

ACTINIDES; AMERICIUM; DIFFUSION; ELECTRIC PROPERTIES; NEPTUNIUM; RADIOACTIVE WASTE DISPOSAL; RADIOACTIVE WASTES; SORPTION; UNCERTAINTY ANALYSIS; URANIUM;

CLAY-WATER INTERACTION; COMPACTED BENTONITE; ELECTRICAL DOUBLE LAYERS; GEOLOGICAL DISPOSAL SYSTEMS; GEOLOGICAL DISPOSALS; LONG TERM PERFORMANCE; PORE-WATER CHEMISTRY; QUANTITATIVE AGREEMENT; DIFFUSION MODEL;

BENTONITE; ACTINIDES;

EID: 84904384034     PISSN: 00223131     EISSN: None     Source Type: Journal    
DOI: 10.1080/00223131.2014.914453     Document Type: Article

References (68)

1. NEA. Engineered barrier systems and the safety of deep geological repositories. State-of-the-art report. Paris: OECD-NEA; 2003.
2. NEA. NEA sorption project. Phase II: interpretation and prediction of radionuclide sorption onto substrates relevant for radioactive waste disposal using thermodynamic sorption models. Paris: OECD-NEA; 2005.
3. NEA. NEA sorption project. Phase III: thermodynamic sorption modeling in support of radioactive waste disposal safety cases. Paris: OECD-NEA; 2012.
4. Muurinen A. Diffusion of anions and cations in compacted sodium bentonite. Finland: VTT Publications 168, Espoo; 1994.
5. Oscarson DW., Hume HB., King F. Sorption of cesium on compacted bentonite. Clays Clay Minerals. 1994; 42: 731-736.
6. Van Loon LR., Glaus MA. Mechanical compaction of smectite clays increases ion exchange selectivity for cesium. Environ Sci Technol. 2008; 42: 1600-1604. (Pubitemid 351416169)
7. Kato H., Muroi M., Yamada N., Ishida H., Sato H. Estimation of effective diffusivity in compacted bentonite. In: Scientific basis for nuclear waste management XXIII. Materials Research Society Symposium Proceedings. Vol. 353. Material Research Society; 1995; p. 277-284.
8. 2+ in compacted bentonite-anion exclusion and surface diffusion. Stockholm: Swedish Nuclear Fuel and Waste Management Co; 1996. (. SKB technical report 96. -16).
9. 2+ in bentonite clay compacted to different densities: experiments and modeling. Radiochim Acta. 2002; 90: 753-760.
10. 85Sr in montmorillonite: evidence of interlayer diffusion being the dominant pathway at high compaction. Environ Sci Technol. 2007; 41: 478-485. (Pubitemid 46106279)
11. - in compacted kaolinite, illite and montmorillonite. Geochim Cosmochim Acta. 2010; 74: 1999-2010.
12. Van Loon LR., Glaus MA., Müller W. Anion exclusion effects in compacted bentonites: towards a better understanding of anion diffusion. Appl Geochem. 2007; 22: 2536-2552. (Pubitemid 47615356)
13. + and HTO diffusion in compacted bentonite: effect of surface chemistry and related texture. J Hydrol. 2009; 370: 9-20.
14. Tachi Y., Yotsuji K., Seida Y., Yui M. Diffusion of cesium and iodine in compacted sodium montmorillonite under different saline conditions. In: Scientific basis for nuclear waste management XXXIII. Materials Research Society Symposium Proceedings. Vol. 1193. Material Research Society; 2009; p. 545-552.
15. Tachi Y., Nakazawa T., Ochs M., Yotsuji K., Suyama T., Seida Y., Yamada N., Yui M. Diffusion and sorption of neptunium(V) in compacted montmorillonite: effects of carbonate and salinity. Radiochim Acta. 2010; 98: 711-718.
16. - and HTO in compacted montmorillonite as a function of porewater salinity: integrated sorption and diffusion model. Geochim Cosmochim Acta. 2014; 132: 75-93.
17. Van Brakel J., Heertjes. PM. Analysis of diffusion in macroporous media in terms of a porosity, a tortuosity, and a constrictivity factor. Int J Heat Mass Transfer. 1974; 17: 1093-1103.
18. Birgersson M., Karnland O. Ion equilibrium between montmorillonite interlayer space and an external solution-consequences for diffusional transport. Geochim Cosmochim Acta. 2009; 73: 1908-1923.
19. Appelo CAJ., Wersin P. Multicomponent diffusion modeling in clay systems with application to the diffusion of tritium, iodide, and sodium in Opalinus clay. Environ Sci Technol. 2007; 41: 5002-5007. (Pubitemid 47121099)
20. Bourg IC., Sposito G., Bourg ACM. Tracer diffusion in compacted, water-saturated bentonite. Clays Clay Minerals. 2006; 54 (3): 363-374. (Pubitemid 44172027)
21. Bradbury MH., Baeyens B. Porewater chemistry in compacted re-saturated MX-80 bentonite. J Contam Hydrol. 2003; 61: 329-338. (Pubitemid 36206462)
22. Gimmi T., Kosakowski G. How mobile are sorbed cations in clays and clay rocks? Environ Sci Technol. 2011; 45: 1443-1449.
23. Bourg IC., Bourg ACM., Sposito G. Modeling diffusion and adsorption in compacted bentonite: a critical review. J Contam Hydrol. 2003; 61: 293-302. (Pubitemid 36206460)
24. Ochs M., Lothenbach B., Wanner H., Sato H., Yui M. An integrated sorption-diffusion model for the calculation of consistent distribution and diffusion coefficients in compacted bentonite. J Contam Hydrol. 2001; 47: 283-296. (Pubitemid 32143669)
25. Tachi Y., Ochs M., Suyama T. Integrated sorption and diffusion model for bentonite. Part 1: clay-water interaction and sorption modeling in dispersed systems. J Nucl Sci Technol. Forthcoming 2014.
26. Grathwohl P. Diffusion in natural porous media: contaminant transport, sorption/desorption and dissolution kinetics. Boston (MA): Kluwer Academic Publishers; 1998.
27. - and HTO in samples of the argillaceous Wakkanai formation from the Horonobe URL, Japan: clay-based modeling. Geochim Cosmochim Acta. 2011; 75: 6742-6759.
28. Holmboe M., Wold S., Jonsson M. Porosity investigation of compacted bentonite using XRD profile modeling. J Contam Hydrol. 2012; 128: 19-32.
29. Wieland E., Wanner H., Albinson Y., Wersin P., Karnland O. A surface chemical model of the bentonite-water interface and its implications for modelling the near-field chemistry in a repository for spent fuel. Stockholm: Swedish Nuclear Fuel and Waste Management Co; 1994. (. SKB technical report 94-26).
30. Muurinen A., Lehikoinen J. Porewater chemistry in compacted bentonite. Eng Geol. 1999; 54: 207-214. (Pubitemid 29473654)
31. Oda C., Shibata M. Modeling and experimental studies on bentonite-water interaction Japan: JNC; 1999. (JNC technical report, JNC TN8400 99-032).
32. Oda C., Shibata M., Yui M. Experimental indications of effects of surface deprotonation on Na-bentonite porewater chemistry in a geological repository. In: Scientific basis for nuclear waste management XXIV. Materials Research Society Symposium Proceedings. Vol. 663. Material Research Society; 2001; p. 637-644. (Pubitemid 35444121)
33. Wersin P. Geochemical modelling of bentonite porewater in high-level waste repositories. J Contam Hydrol. 2003; 61: 405-422. (Pubitemid 36206466)
34. Bradbury MH., Baeyens B. Experimental and modelling studies on the pH buffering of MX-80 bentonite porewater. Appl Geochem. 2009; 24: 419-425.
35. Ochs M., Lothenbach B., Shibata M., Yui M. Thermodynamic modeling and sensitivity analysis of porewater chemistry in compacted bentonite. Phys Chem Earth. 2004; 29: 129-136. (Pubitemid 38300682)
36. Sposito G. The surface chemistry of soils. New York (NY): Oxford University Press; 1984.
37. Lehikoinen J., Muurinen A., Valkiainen M. A consistent model for anion exclusion and surface diffusion. In: Scientific basis for nuclear waste management XXII. Materials Research Society Symposium Proceedings. Vol. 556. Material Research Society; 1999; p. 663-670. (Pubitemid 30537033)
38. Tochigi Y., Tachi Y. Development of diffusion database of buffer materials and rocks. Japan: JAEA; 2009. (. JAEA technical report, JAEA-Data/Code 2008-035).
39. Idemitsu K., Tachi Y., Furuya H., Inagaki Y., Arima T. Diffusion of uranium in compacted bentonites in the reducing condition with corrosion products of iron. In: Scientific basis for nuclear waste management XIX. Materials Research Society Symposium Proceedings. Vol. 412. Material Research Society; 1996; p. 683-690.
40. Parkhurst DL., Appelo CAJ. User's guide to PHREEQC (ver.2)-a computer program for speciation, batch-reaction, one-dimensional transport, and inverse geochemical calculations. U.S.: U.S. Geological Survey; 1999. (. Water-resources investigations report 99-4259).
41. Fletcher P., Sposito G. The chemical modeling of clay/electrolyte interactions for montmorillonite. Clay Minerals. 1989; 24: 375-391. (Pubitemid 20607708)
42. Wanner H., Albinsson Y., Wieland E. A thermodynamic surface model for caesium sorption on bentonite. Fresenius J Anal Chem. 1996; 354: 763-769. (Pubitemid 126722963)
43. Kitamura A., Fujiwara K., Doi R., Yoshida Y., Mihara M., Terashima M., Yui M. JAEA thermodynamic database for performance assessment of geological disposal of high-level radioactive and TRU wastes. Japan: JAEA; 2010. (. JAEA technical report, JAEA-Data/Code 2009-024).
44. Guillaumont R., Fanghänel T., Fuger J., Grenthe I., Neck V., Palmer DA., Rand MH. Update on the chemical thermodynamics of uranium, neptunium, plutonium, americium and technetium. OECD/NEA chemical thermodynamics. Vol. 5. Amsterdam: Elsevier; 2003.
45. Verwey EJW., Overbeek JThG. Theory of the stability of lyophobic colloids. Amsterdam: Elsevier; 1948.
46. Low PF. Viscosity of interlayer water in montmorillonite. Soil Sci Soc Am J. 1976; 40: 500-505.
47. Lyklema J., Overbeek JThG. On the interpretation of electrokinetic potentials. J Colloid Sci. 1961; 16: 501-512.
48. 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. 1992; 29: 873-882. (Pubitemid 23570521)
49. Sato H., Ashida T., Kohara Y., Yui M. Study on retardation mechanism of H-3, Tc-99, Cs-137, Np-237 and Am-241 in compacted sodium bentonite, In: Scientific basis for nuclear waste management XXI. Materials Research Society Symposium Proceedings. Vol. 294. Material Research Society; 1993; p. 403-408.
50. Mills R. Self-diffusion in normal and heavy water in the range 1-45. J Phys Chem. 1973; 77: 685-688.
51. Kozaki T., Sato Y., Nakajima M., Kato H., Sato S., Ohashi H. Effect of particle size on the diffusion behavior of some radionuclides in compacted bentonite. J Nucl Mater. 1999; 270: 265-272.
52. Liu J., Yamada H., Kozaki T., Sato S., Ohashi H. Effect of silica sand on activation energy for diffusion of sodium ions in montmorillonite and silica sand mixture. J Contam Hydrol. 2003; 61: 85-93. (Pubitemid 36206447)
53. Marcus Y. Ion properties. New York (NY): Marcel Dekker, Inc.; 1997.
54. Idemitsu K., Tachi Y., Furuya H., Inagaki Y., Arima T. Diffusion of Cs and Sr in compacted bentonites under reducing conditions and in the presence of corrosion products of iron. In: Scientific basis for nuclear waste management XXI. Materials Research Society Symposium Proceedings. Vol. 506; 1998; p. 351-358.
55. Kozaki T., Sato H., Fujishima A., Sato S., Ohashi H. Activation energy for diffusion of cesium in compacted sodium montmorillonite. J Nucl Sci Technol. 1996; 33: 522-524. (Pubitemid 126582189)
56. Kozaki T., Sato H., Sato S., Ohashi H., Diffusion mechanism of cesium ions in compacted montmorillonite. Eng Geol. 1999; 54: 223-230. (Pubitemid 29473656)
57. Kim HT., Suk TW., Parks SH. Diffusivities for ions through compacted Na-bentonite with varying dry bulk density. Waste Manag. 1993; 13: 303-308.
58. Kuroda Y., Idemitsu K., Furuya H., Inagaki Y., Arima T. Diffusion of technetium in compacted bentonites in the reducing condition with corrosion products of iron. In: Scientific basis for nuclear waste management XX. Materials Research Society Symposium Proceedings. Vol. 465; 1997; p. 909-916.
59. Kozaki T., Inada K., Sato S., Ohashi H. Diffusion mechanism of chloride ions in sodium montmorillonite. J Contam Hydrol. 2001; 47: 159-170. (Pubitemid 32140845)
60. Molera M., Eriksen T., Jansson M. Anion diffusion pathways in bentonite clay compacted to different dry densities. Appl Clay Sci. 2003; 23: 69-76. (Pubitemid 37024356)
61. Kozai N., Inada K., Kozaki T., Sato S., Ohashi H., Banba T. Apparent diffusion coefficients and chemical species of neptunium(V) in compacted Na-montmorillonite. J Contam Hydrol. 2001; 47: 149-158. (Pubitemid 32140844)
62. Torstenfelt B., Allard B. Migration of fission products and actinides in compacted bentonite. Stockholm: Swedish Nuclear Fuel and Waste Management Co; 1986. (. SKB TR-86-14).
63. Sato H., Shibutani T. Study on adsorption and diffusion mechanism of nuclides in buffer material and geosphere. Japan: PNC; 1994. p. 71-89. (. PNC technical review No.91).
64. Tachi Y., Kohara Y., Uchidate N., Shibutani T. Diffusion behavior of Pu and Am in compacted bentonite. Japan: JNC; 1999. (. JNC technical report, JNC TN8400 99-089).
65. Kerisit S., Liu C. Molecular simulation of the diffusion of uranyl carbonate species in aqueous solution. Geochim Cosmochim Acta. 2010; 74: 4937-4952.
66. Idemitsu K., Furuya H., Tachi Y., Inagaki Y. Diffusion of uranium in compacted bentonites in the presence of carbon steel. In: Scientific basis for nuclear waste management XVII. Materials Research Society Symposium Proceedings. Vol. 333. Material Research Society; 1994; p. 939-946.
67. 3 (aq) species. Radiochim Acta. 2001; 89: 511-518. (Pubitemid 32757516)
68. Davis JA., Meece DE., Kohler M., Curtis GP. Approaches to surface complexation modeling of Uranium(VI) adsorption on aquifer sediments. Geochim Cosmochim Acta. 2005; 68: 3621-3641.