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Method for making a low density polyethylene waste form for safe disposal of low level radioactive material

Patent ·
OSTI ID:6034994
;
In the method of the invention low density polyethylene pellets are mixed in a predetermined ratio with radioactive particulate material, then the mixture is fed through a screw-type extruder that melts the low density polyethylene under a predetermined pressure and temperature to form a homogeneous matrix that is extruded and separated into solid monolithic waste forms. The solid waste forms are adapted to be safely handled, stored for a short time, and safely disposed of in approved depositories.
DOE Contract Number:
AC02-76CH00016
Assignee:
Dept. of Energy
Patent Number(s):
None
Application Number:
ON: TI85006401
OSTI ID:
6034994
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
LOW-LEVEL RADIOACTIVE WASTES
MANAGEMENT
MATERIALS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PHASE TRANSFORMATIONS
POLYETHYLENES
POLYMERS
POLYOLEFINS
PROCESSING
RADIOACTIVE MATERIALS
RADIOACTIVE WASTE PROCESSING
RADIOACTIVE WASTES
SOLIDIFICATION
WASTE FORMS
WASTE MANAGEMENT
WASTE PROCESSING
WASTES