In situ physico-chemical characterization of Boom Clay

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Authors:Baeyens, B.; Maes, A.; Cremers, A.
Author Affiliations:Primary:
Cathol. Univ., Lab. voor Colloidale Scheikd., Louvain, Belgium
Volume Title:Special issue; Belgian R&D programme
Volume Authors:Baetsle, L. H., editor
Source:Special issue; Belgian R&D programme, edited by L. H. Baetsle. Radioactive Waste Management and the Nuclear Fuel Cycle, 6(3-4), p.391-408. Publisher: Harwood Academic Publishers, Chur-London-Paris, International. ISSN: 0739-5876
Publication Date:1985
Note:In English. 19 refs.; illus. incl. 5 tables
Summary:The Boom clay formation, a potential HLW repository is thoroughly characterized in terms of some relevant chemical and physico-chemical properties. The clay formation is also homogeneous with respect to the ionic compositions of the exchange complex and the interstitial liquid phase; the ion occupancies are ZMg = .475 + .035, ZNa = .365 ± .03, ZK = .16 ± .02. The in situ liquid phase composition, as obtained from extracts in a 208-246 m depth interval is also faily constant, the bicarbonate and sodium ions representing the bulk of the liquid phase ions (90-95%). The statistical averages of the sodium absorption ratio (SAR) and potassium absorption ratio (PAR) are 38.5 ± 11 and 1.50 ± .43. The pH of the system is 9.2-9.3. The clay formation appears to be in equilibrium with the uderlying aquifer. Modified journal abstract.
Subjects:Adsorption; Boom Clay; Cation exchange capacity; Cenozoic; Engineering geology; Geochemistry; In situ; Oligocene; Organic compounds; Paleogene; Soil surveys; Soils; Surveys; Tertiary; Waste disposal; Belgium; Europe; Western Europe; Mol; Organic materials
Record ID:1986034466
Copyright Information:GeoRef, Copyright 2018 American Geosciences Institute.
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