Low-temperature method for containing thermally degradable hazardous wastes
A low-temperature method for producing coated hazardous waste pellets which are used as the aggregate in a concrete wasteform is characterized by combining hazardous waste with a chemically setting organic polymer to form a mixture which is formed into pellets. The pellets are first coated with epox...
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| creator | TOM JUDY C SYKES MELVIN C BRABSTON WILLIAM N WAKELEY LILLIAN D BEAN DENNIS L MALONE PHILIP G |
| description | A low-temperature method for producing coated hazardous waste pellets which are used as the aggregate in a concrete wasteform is characterized by combining hazardous waste with a chemically setting organic polymer to form a mixture which is formed into pellets. The pellets are first coated with epoxy and then coated with a silicate-based powder. The liquid concrete-pellet mixture is then placed in molds which can be rotated to concentrate the pellets away from the perimeter of the wasteform. The double-coated hazardous waste pellets have improved bonding when used as a coarse aggregate in a concrete mixture. The resulting wasteform is self-supporting and needs no external container for transportation, storage, or disposal. |
| format | Patent |
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| subjects | DECONTAMINATION ARRANGEMENTS THEREFOR DISPOSAL OF SOLID WASTE NUCLEAR ENGINEERING NUCLEAR PHYSICS PERFORMING OPERATIONS PHYSICS PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT RECLAMATION OF CONTAMINED SOIL SOIL TRANSPORTING TREATING RADIOACTIVELY CONTAMINATED MATERIAL |
| title | Low-temperature method for containing thermally degradable hazardous wastes |
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