Spray calcination/in-can melting: effluent characterization and treatment
According to data obtained during calcination of nonradioactive, simulated waste, ruthenium and cesium losses from the spray calciner are small, on the order of 3.5 x 10/sup -2/% and 3.4 x 10/sup -2/%, respectively. Calciner-melter and filter decontamination factors for ruthenium and cesium averaged 3.6 x 10/sup 4/ and 3.9 x 10/sup 4/, respectively. Particulate decontamination factors of 10/sup 3/ to 10/sup 4/ have been obtained using sintered stainless steel filters. A significant portion of the ruthenium and cesium lost to the process off-gas system was due to particle penetration of the filters. The particles penetrating the filters have a mass distribution centering about a size large enough to control with available technology. Processing wastes containing fluoride will probably volatilize a portion of the fluoride to the off-gas system, thus increasing the probability of corrosion problems. 34 figures, 30 tables.
- Research Organization:
- Battelle Pacific Northwest Labs., Richland, WA (United States)
- DOE Contract Number:
- EY-76-C-06-1830
- OSTI ID:
- 5497364
- Report Number(s):
- PNL-3109; TRN: 80-005552
- Country of Publication:
- United States
- Language:
- English
Similar Records
Behavior and control of ruthenium during operation of the New Waste Calcining Facility at the Idaho Chemical Processing Plant
Behavior and control of ruthenium during operation of the New Waste Calcining Facility at the Idaho Chemical Processing Plant
Related Subjects
RADIOACTIVE WASTE PROCESSING
GASEOUS WASTES
OFF-GAS SYSTEMS
CALCINATION
CESIUM
DECONTAMINATION
FILTERS
LOSSES
MELTING
RUTHENIUM
SPRAYS
ALKALI METALS
CHEMICAL REACTIONS
CLEANING
DECOMPOSITION
ELEMENTS
MANAGEMENT
METALS
PHASE TRANSFORMATIONS
PLATINUM METALS
PROCESSING
PYROLYSIS
REFRACTORY METALS
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENTS
WASTE MANAGEMENT
WASTE PROCESSING
WASTES
052001* - Nuclear Fuels- Waste Processing