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Process for solidifying radioactive waste pellets

Patent ·
OSTI ID:5514072
; ; ;
In storing of radioactive wastes by drying, pulverization and pelletizing, radioactive waste pellets are solidified with an alkali silicate solution as a filler, a substance having an action to harden the alkali silicate solution, and a substance having an action to absorb the water formed by the hardening reaction of the alkali silicate solution, or a substance having both actions to harden the alkali silicate solution and to absorb the water formed by the hardening reaction. The solidification can be attained with easy operation and prolonged stability at a low cost.
Assignee:
Hitachi, Ltd. (Japan)
Patent Number(s):
US 4505851
OSTI ID:
5514072
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
ABSORPTION
ADDITIVES
ALKALI METAL COMPOUNDS
COMMINUTION
DRYING
FABRICATION
HYDROGEN COMPOUNDS
MANAGEMENT
MATERIALS
MOLDING
OXYGEN COMPOUNDS
PELLETIZING
PHASE TRANSFORMATIONS
PROCESSING
RADIOACTIVE MATERIALS
RADIOACTIVE WASTE PROCESSING
RADIOACTIVE WASTE STORAGE
RADIOACTIVE WASTES
SILICATES
SILICON COMPOUNDS
SOLIDIFICATION
STORAGE
WASTE MANAGEMENT
WASTE PROCESSING
WASTE STORAGE
WASTES
WATER