Properties of radioactive wastes and waste containers. Quarterly progress report, October-December 1981
Technical Report
·
OSTI ID:5054770
A study correlating the leachability of /sup 137/Cs from small-scale to large-scale cement forms was performed. The waste forms consisted of organic ion exchange resins incorporated in Portland I cement, with a waste-to-cement ratio of 0.6 and a water-to-cement ratio of 0.4 (as free water) and boric acid waste (12% solution), incorporated in Portland III cement, with a waste-to-cement ratio of 0.7. /sup 137/Cs was added to both waste types prior to solidification. The samples' dimensions varied from 1 in. x 1 in. to 22 in. x 22 in. (diameter x height) in size. Leach data extending over a period of 260 days were obtained. A method based on semi-infinite plane source diffusion model was applied to analyze the leach data. An effective bulk diffusion coefficient was calculated from the leach data for both types of solidified waste. A derived mathemtical expression allows prediction of the amount of /sup 137/Cs leached from the forms as a function of leaching time and waste form dimensions. A reasonably good agreement between the experimental and calculated data is obtained.
- Research Organization:
- Brookhaven National Lab., Upton, NY (USA)
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 5054770
- Report Number(s):
- NUREG/CR-2193-Vol.1-Nos.3-4; BNL-NUREG-51410-Vol.1-Nos.3-4; ON: TI86000963
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
052002* -- Nuclear Fuels-- Waste Disposal & Storage
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
36 MATERIALS SCIENCE
360604 -- Materials-- Corrosion
Erosion
& Degradation
ALKALI METAL ISOTOPES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BUILDING MATERIALS
CEMENTS
CESIUM 137
CESIUM ISOTOPES
DATA
DISSOLUTION
DISTRIBUTION FUNCTIONS
EXPERIMENTAL DATA
FUNCTIONS
INFORMATION
ION EXCHANGE MATERIALS
ISOTOPES
LEACHING
LOW-LEVEL RADIOACTIVE WASTES
MATERIALS
NUCLEI
NUMERICAL DATA
ODD-EVEN NUCLEI
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
POLYMERS
PORTLAND CEMENT
RADIOACTIVE MATERIALS
RADIOACTIVE WASTES
RADIOISOTOPES
RESEARCH PROGRAMS
RESINS
SEPARATION PROCESSES
WASTE FORMS
WASTES
YEARS LIVING RADIOISOTOPES
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
36 MATERIALS SCIENCE
360604 -- Materials-- Corrosion
Erosion
& Degradation
ALKALI METAL ISOTOPES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BUILDING MATERIALS
CEMENTS
CESIUM 137
CESIUM ISOTOPES
DATA
DISSOLUTION
DISTRIBUTION FUNCTIONS
EXPERIMENTAL DATA
FUNCTIONS
INFORMATION
ION EXCHANGE MATERIALS
ISOTOPES
LEACHING
LOW-LEVEL RADIOACTIVE WASTES
MATERIALS
NUCLEI
NUMERICAL DATA
ODD-EVEN NUCLEI
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
POLYMERS
PORTLAND CEMENT
RADIOACTIVE MATERIALS
RADIOACTIVE WASTES
RADIOISOTOPES
RESEARCH PROGRAMS
RESINS
SEPARATION PROCESSES
WASTE FORMS
WASTES
YEARS LIVING RADIOISOTOPES