Method of treating waste material containing radioactive cesium isotopes
Patent
·
OSTI ID:5115929
A method is described for treating waste materials containing radioactive cesium isotopes. The process involves mixing an aqueous solution of an alkali metal silicate (sodium is the most desireable alkali metal), a hardening agent (Portland cement is readily available), and a plurality of shale particles with the waste materials. Once the mass has solidified, it may then be exposed to the leaching action of an aqueous environment. Results have shown that the leachability of cesium from a solidified mass is greatly reduced when shale is present in the solidified material. 14 claims.
- Assignee:
- TIC; EDB-80-115858
- Patent Number(s):
- US 4173546
- OSTI ID:
- 5115929
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
052001* -- Nuclear Fuels-- Waste Processing
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
ALKALI METAL COMPOUNDS
ALKALI METAL ISOTOPES
AQUEOUS SOLUTIONS
BUILDING MATERIALS
CEMENTS
CESIUM ISOTOPES
DISPERSIONS
DISSOLUTION
ISOTOPES
LEACHING
MANAGEMENT
MATERIALS
MIXTURES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
PORTLAND CEMENT
PROCESSING
RADIOACTIVE WASTE PROCESSING
ROCKS
SEDIMENTARY ROCKS
SEPARATION PROCESSES
SHALES
SILICATES
SILICON COMPOUNDS
SODIUM COMPOUNDS
SODIUM SILICATES
SOLIDIFICATION
SOLUTIONS
WASTE MANAGEMENT
WASTE PROCESSING
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
ALKALI METAL COMPOUNDS
ALKALI METAL ISOTOPES
AQUEOUS SOLUTIONS
BUILDING MATERIALS
CEMENTS
CESIUM ISOTOPES
DISPERSIONS
DISSOLUTION
ISOTOPES
LEACHING
MANAGEMENT
MATERIALS
MIXTURES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
PORTLAND CEMENT
PROCESSING
RADIOACTIVE WASTE PROCESSING
ROCKS
SEDIMENTARY ROCKS
SEPARATION PROCESSES
SHALES
SILICATES
SILICON COMPOUNDS
SODIUM COMPOUNDS
SODIUM SILICATES
SOLIDIFICATION
SOLUTIONS
WASTE MANAGEMENT
WASTE PROCESSING