Decontamination of HEPA filters: April--June 1977
Efforts this past quarter were directed toward the determination of dissolution parameters in various reagents of PuO/sub 2/, PuO/sub 2/-UO/sub 2/ solid solution, and AmO/sub 2/-PuO/sub 2/. The reagents used were various concentrations of HNO/sub 3/-HF-H/sub 2/SO/sub 4/, HNO/sub 3/-HF, HNO/sub 3/-(NH/sub 4/)/sub 2/Ce(NO/sub 3/)/sub 6/, and HNO/sub 3/-H/sub 2/SO/sub 4/. In one series of tests, simulated contaminated HEPA filter media were used. This material was prepared by mixing shredded filter media with actinide oxides. In another series, actual HEPA glovebox filter media contaminated with PuO/sub 2/ were used. Fusion tests were also completed using simulated PuO/sub 2/ contaminated filter media. Both Na/sub 2/CO/sub 3/ and Na/sub 2/CO/sub 3/-KNO/sub 3/ were investigated as possible fusion agents.
- Research Organization:
- Mound Lab., Miamisburg, OH (USA)
- DOE Contract Number:
- EY-76-C-04-0053
- OSTI ID:
- 7299410
- Report Number(s):
- MLM-2445
- Country of Publication:
- United States
- Language:
- English
Similar Records
Decontamination of the HEPA filters: July--September 1977
Use of sulfuric-nitric acid for the recovery of plutonium from HEPA filters. (620. 2, WH001/LWE)
Related Subjects
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
400702 -- Radiochemistry & Nuclear Chemistry-- Properties of Radioactive Materials
ACTINIDE COMPOUNDS
AIR FILTERS
AMERICIUM COMPOUNDS
AMERICIUM OXIDES
AMMONIUM COMPOUNDS
AMMONIUM NITRATES
CERIUM COMPOUNDS
CERIUM NITRATES
CHALCOGENIDES
CLEANING
DECONTAMINATION
DISSOLUTION
EQUIPMENT
FILTERS
FILTRATION
GASEOUS WASTES
HYDROFLUORIC ACID
HYDROGEN COMPOUNDS
INORGANIC ACIDS
MANAGEMENT
NITRATES
NITRIC ACID
NITROGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PLUTONIUM COMPOUNDS
PLUTONIUM DIOXIDE
PLUTONIUM OXIDES
POLLUTION CONTROL EQUIPMENT
PROCESSING
RADIOACTIVE WASTE PROCESSING
RARE EARTH COMPOUNDS
SEPARATION PROCESSES
SULFURIC ACID
TRANSURANIUM COMPOUNDS
URANIUM COMPOUNDS
URANIUM DIOXIDE
URANIUM OXIDES
WASTE MANAGEMENT
WASTE PROCESSING
WASTES