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Chemical digestion of low level nuclear solid waste material

Patent ·
OSTI ID:7247257
;
A chemical digestion for treatment of low level combustible nuclear solid waste material is provided and comprises reacting the solid waste material with concentrated sulfuric acid at a temperature within the range of 230/sup 0/--300/sup 0/C and simultaneously and/or thereafter contacting the reacting mixture with concentrated nitric acid or nitrogen dioxide. In a special embodiment spent ion exchange resins are converted by this chemical digestion to noncombustible gases and a low volume noncombustible residue. 6 claims, no drawings.
Assignee:
Energy Research and Development Administration
Patent Number(s):
US 3957676
OSTI ID:
7247257
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
CHALCOGENIDES
DISSOLUTION
HIGH TEMPERATURE
HYDROGEN COMPOUNDS
INORGANIC ACIDS
MANAGEMENT
NITRIC ACID
NITROGEN COMPOUNDS
NITROGEN DIOXIDE
NITROGEN OXIDES
OXIDES
OXYGEN COMPOUNDS
PROCESSING
RADIOACTIVE WASTE PROCESSING
SOLID WASTES
SULFURIC ACID
WASTE MANAGEMENT
WASTE PROCESSING
WASTES