Effect of homogenization on the microstructure and exclusion of chloride in compacted bentonite

Physics and Chemistry of the Earth

Volumn 32, Issue 1-7, 2007, Pages 485-490

  Muurinen, Arto ^a   Karnland, Ola ^b   Lehikoinen, Jarmo ^a  

^a VTT TECHNICAL RESEARCH CENTRE OF FINLAND   (Finland)

^b Ideon Science Park   (Sweden)

Author keywords

Bentonite; Donnan model; Exclusion; Microstructure; Nuclear waste; Porosity

Indexed keywords

CHLORIDE MINERALS; COMPACTION; DISPERSIONS; MICROSTRUCTURE; PORE SIZE;

DONNAN MODEL; DUAL-POROSITY STRUCTURE; PORE WATER;

BENTONITE;

BENTONITE; CHLORIDE; COMPACTION; DENSITY; DISSOLUTION; EXPERIMENTAL STUDY; HOMOGENEITY; MODELING; POROSITY; ROCK MICROSTRUCTURE; SATURATION;

EID: 33847761528     PISSN: 14747065     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.pce.2006.02.058     Document Type: Article

References (12)

1. Fernández A.M., Baeyens B., Bradbury M., and Rivas P. Analysis of the porewater chemical composition of a Spanish compacted bentonite used in an engineered barrier. Phys. Chem. Earth 29 (2004) 105-118
2. Karnland, O., 1998. Bentonite swelling pressure in strong NaCl solutions. Helsinki, Posiva Oy, Report POSIVA 98-01, 36 p, ISBN 951-652-039-1.
3. Kozaki T., Sato H., Fujishima A., Saito N., Sato S., and Ohashi H. Effect of dry density on activation energy for diffusion of strontium in compacted sodium montmorillonite. Mat. Res. Soc. Symp. Proc. vol. 465 (1997), Pennsylvania, Materials Research Society, Pittsburgh 893-900
4. Müller-Vonmoos, M., Kahr, G., 1983. Mineralogische Untersuchungen von Wyoming Bentonit MX-80 und Montigel. Baden/Switzerland, NAGRA, Technisher Bericht 83-12, 15 p, +app. 13 p.
5. Muurinen A., Karnland O., and Lehikoinen J. Ion concentration caused by an external solution into the porewater of compacted bentonite. Phys. Chem. Earth 29 (2004) 119-127
6. Overbeek J. Electrochemistry of double layer. In: Kruyt H. (Ed). Colloid Science (1952), Elsevier Publishing Company, Amsterdam 115-193
7. Pusch, R., 2001. The microstructure of MX-80 clay with respect to its bulk physical properties under different environmental conditions. Stockholm, Svensk Kärnbränslehantering AB (SKB), Technical report TR-01-08, 111 p.
8. Pusch, R., Karnland, O., Hökmark, H., 1990. GMM - A general microstructural model for qualitative and quantitative studies of smectite clays. Stockholm, Svensk Kärnbränslehantering AB (SKB), Technical report TR-90-43, 94 p.
9. Robinson R.A., and Stokes R.H. Electrolyte Solutions (1959), Butterworths Scientific Publications, London
10. Sposito G., Holtzclaw K.M., Johnston C.T., and Le Vesque C.S. Thermodynamics of sodium-copper exchange on Wyoming bentonite at 298 K. Soil Sci. Soc. Am. J. 43 (1981) 47-51
11. Ståhlberg J. Retention model for ions in chromatography. J. Chromatogr. A 855 (1999) 3-55
12. Wersin P. Geochemical modelling of bentonite porewater in high-level waste repositories. J. Contam. Hydrol. 61 (2003) 405-422