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Coles, D.G.; Weed, H.C.; Jackson, D.D.; Schweiger, J.S.
California Univ., Livermore (USA). Lawrence Livermore Lab1978
California Univ., Livermore (USA). Lawrence Livermore Lab1978
AbstractAbstract
[en] Melt glass (fused rock containing fission and activation products and actinides) produced by three underground nuclear explosions has been leached at 250C with groundwater obtained from a well near the explosion sites. Leaching was carried out in cells with the groundwater passing over glass particles (size range: 40 to 030 μ) at flow rates of 36 and 6.7 cm/day. With this dynamic flow-through system, the solid sample is continually exposed to fresh leaching solution in an attempt to simulate actual underground conditions. Radionuclide concentrations in the leachate were obtained at intervals of 1, 2, 3, 6, 11, 32, 38, 70, and 120 days after the leaching began. The fraction of radioactivity leached per day per m2 surface area varied from 1.5 x 10-2 for 22Na on Day 1 to 7.0 x 10-6 for 144Ce on Day 120. Except for 144Ce, leaching rates did not seem to depend significantly on flow rates. 10 figures, 5 tables
Primary Subject
Secondary Subject
Source
Aug 1978; 34 p; American Chemical Society symposium; Miami Beach, FL, USA; 29 - 30 Jan 1979; CONF-790139--1; Available from NTIS., PC A03/MF A01
Record Type
Report
Literature Type
Conference; Numerical Data
Report Number
Country of publication
ANTIMONY 124, ANTIMONY 125, CERIUM 144, CESIUM 137, COBALT 57, COBALT 58, COBALT 60, CONTAMINATION, EXPERIMENTAL DATA, FISSION PRODUCTS, GLASS, GROUND WATER, INTERNAL CONVERSION RADIOISOTO, ISOLATED VALUES, LEACHING, MANGANESE 54, NUCLEAR EXPLOSIONS, RADIONUCLIDE MIGRATION, RUTHENIUM 106, SIMULATION, SODIUM 22, UNDERGROUND EXPLOSIONS, ZIRCONIUM 95
ANTIMONY ISOTOPES, BETA DECAY RADIOISOTOPES, BETA-MINUS DECAY RADIOISOTOPES, BETA-PLUS DECAY RADIOISOTOPES, CERIUM ISOTOPES, CESIUM ISOTOPES, COBALT ISOTOPES, DATA, DATA FORMS, DAYS LIVING RADIOISOTOPES, DISSOLUTION, ELECTRON CAPTURE RADIOISOTOPES, EVEN-EVEN NUCLEI, EVEN-ODD NUCLEI, EXPLOSIONS, HOURS LIVING RADIOISOTOPES, HYDROGEN COMPOUNDS, INFORMATION, INTERMEDIATE MASS NUCLEI, ISOMERIC TRANSITION ISOTOPES, ISOTOPES, LIGHT NUCLEI, MANGANESE ISOTOPES, MINUTES LIVING RADIOISOTOPES, NUCLEI, NUMERICAL DATA, ODD-EVEN NUCLEI, ODD-ODD NUCLEI, OXYGEN COMPOUNDS, RADIOACTIVE MATERIALS, RADIOISOTOPES, RARE EARTH NUCLEI, RUTHENIUM ISOTOPES, SEPARATION PROCESSES, SODIUM ISOTOPES, WATER, YEARS LIVING RADIOISOTOPES, ZIRCONIUM ISOTOPES
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