Method for acid oxidation of radioactive, hazardous, and mixed organic waste materials
The present invention is directed to a process for reducing the volume of low level radioactive and mixed waste to enable the waste to be more economically stored in a suitable repository, and for placing the waste into a form suitable for permanent disposal. The invention involves a process for preparing radioactive, hazardous, or mixed waste for storage by contacting the waste starting material containing at least one organic carbon-containing compound and at least one radioactive or hazardous waste component with nitric acid and phosphoric acid simultaneously at a contacting temperature in the range of about 140 C to about 210 C for a period of time sufficient to oxidize at least a portion of the organic carbon-containing compound to gaseous products, thereby producing a residual concentrated waste product containing substantially all of said radioactive or inorganic hazardous waste component; and immobilizing the residual concentrated waste product in a solid phosphate-based ceramic or glass form.
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC09-89SR18035
- OSTI ID:
- 20013966
- Resource Relation:
- Other Information: PBD: 28 Sep 1999
- Country of Publication:
- United States
- Language:
- English
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