Study of selected off-gases produced during the immobilization of nuclear wastes in the SYNROC process. Final report for year ended December 31, 1981. [Pollucite, CsAlSi/sub 2/O/sub 6/, and barium-cesium hollandite, (Ba,Cs)Al/sub 2/Ti/sub 6/O/sub 16/]
Calculation of possible off-gases expected during the fabrication of SYNROC showed that volatilization of cesium would be a significant problem. Samples of the cesium containing minerals pollucite, CsAlSi/sub 2/O/sub 6/, and barium-cesium hollandite, (Ba,Cs)Al/sub 2/Ti/sub 6/O/sub 16/, were prepared for vaporization studies. Fifteen vaporization runs were made with the hollandite samples. With dry air as the carrier gas, the vapor pressure of cesium over Ba/sub 0/ /sub 8/Cs/sub 0/ /sub 4/Al/sub 2/Ti/sub 6/O/sub 16/ was found to be about 1 x 10/sup -7/ atm at 1050/sup 0/C.
- Research Organization:
- Lawrence Livermore National Lab., CA (USA); Saint Cloud State Coll., MN (USA). Dept. of Chemistry
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 5362507
- Report Number(s):
- UCRL-15457; ON: DE82016782
- 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
36 MATERIALS SCIENCE
360604 -- Materials-- Corrosion
Erosion
& Degradation
ALKALI METALS
ALKALINE EARTH METAL COMPOUNDS
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
BARIUM COMPOUNDS
BARIUM OXIDES
CESIUM
CHALCOGENIDES
DATA
ELEMENTS
EVAPORATION
EXPERIMENTAL DATA
FABRICATION
HEAT TREATMENTS
HOLLANDITE
INFORMATION
MANAGEMENT
MATERIALS
METALS
MINERALS
NUMERICAL DATA
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
PROCESSING
RADIOACTIVE WASTE PROCESSING
ROCKS
SOLIDIFICATION
SYNROC PROCESS
SYNTHETIC MATERIALS
SYNTHETIC ROCKS
TEMPERATURE EFFECTS
THERMODYNAMIC PROPERTIES
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
VAPOR PRESSURE
VERY HIGH TEMPERATURE
WASTE MANAGEMENT
WASTE PROCESSING
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
36 MATERIALS SCIENCE
360604 -- Materials-- Corrosion
Erosion
& Degradation
ALKALI METALS
ALKALINE EARTH METAL COMPOUNDS
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
BARIUM COMPOUNDS
BARIUM OXIDES
CESIUM
CHALCOGENIDES
DATA
ELEMENTS
EVAPORATION
EXPERIMENTAL DATA
FABRICATION
HEAT TREATMENTS
HOLLANDITE
INFORMATION
MANAGEMENT
MATERIALS
METALS
MINERALS
NUMERICAL DATA
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
PROCESSING
RADIOACTIVE WASTE PROCESSING
ROCKS
SOLIDIFICATION
SYNROC PROCESS
SYNTHETIC MATERIALS
SYNTHETIC ROCKS
TEMPERATURE EFFECTS
THERMODYNAMIC PROPERTIES
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
VAPOR PRESSURE
VERY HIGH TEMPERATURE
WASTE MANAGEMENT
WASTE PROCESSING