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Process for vitrifying liquid radioactive waste

Patent ·
OSTI ID:5291687
; ; ;

A process for vitrifying liquid radioactive waste is provided. In this process, a solution of a water-soluble vitrifying-facilitating inorganic compound in liquid radioactive waste is mixed with a solution obtained by hydrolyzing an alkyl silicate and then the solution mixture is left to gel. Thereafter, the resulting gel is irradiated with microwaves to calcine the gel, and the calcined gel is further heated to melt and then cooled to obtain a vitrified product.

Assignee:
Agency of Industrial Science and Technology, Japan
Patent Number(s):
US 4514329
OSTI ID:
5291687
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
ADSORBENTS
CALCINATION
CHEMICAL REACTIONS
COOLING
DECOMPOSITION
ELECTROMAGNETIC RADIATION
GELATION
HEATING
HIGH-LEVEL RADIOACTIVE WASTES
INORGANIC COMPOUNDS
IRRADIATION
LIQUID WASTES
MANAGEMENT
MATERIALS
MICROWAVE RADIATION
OXYGEN COMPOUNDS
PROCESSING
PYROLYSIS
RADIATIONS
RADIOACTIVE MATERIALS
RADIOACTIVE WASTE PROCESSING
RADIOACTIVE WASTES
SILICA GEL
SILICATES
SILICON COMPOUNDS
SOLUBILITY
THERMOCHEMICAL PROCESSES
VITRIFICATION
WASTE MANAGEMENT
WASTE PROCESSING
WASTES