Applications of iron-enriched basalt to TMI radioactive waste disposal
Conference
·
OSTI ID:5363347
Iron-enriched basalt (IEB), a man-made analogue to natural basalt, has been investigated as a dissolution and immobilization medium for Three Mile Island (TMI) radioactive wastes. The research has focused on the ability of IEB, a glass-ceramic whose principal constituents are SiO/sub 2/, Fe/sub 2/O/sub 3/ + FeO, and Al/sub 2/O/sub 3/, to contain TMI zeolites, resins, and core debris; and on the practical aspects of producing IEB on a large scale using a joule-heated melter. The retention of cesium and strontium during high-temperature processing of IEB and the leach rate of these species from IEB in 363 K deionized water have been investigated. Simulated TMI core debris (UO/sub 2/, zircaloy, and stainless steel) have been successfully dissolved in IEB by using an air bubbler to accelerate the dissolution process. Large-scale IEB castings (10 kg and 75 kg) incorporating simulated TMI wastes have been prepared using a 250 kg capacity joule-heated research melter. Subjecting the castings to a controlled cooling produced fine grained monoliths with almost no microcracks. 6 figures.
- Research Organization:
- EG and G Idaho, Inc., Idaho Falls (USA)
- DOE Contract Number:
- AC07-76ID01570
- OSTI ID:
- 5363347
- Report Number(s):
- EGG-M-08282; CONF-820424-28; ON: DE82017764
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
052001* -- Nuclear Fuels-- Waste Processing
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BASALT
CORIUM
DISSOLUTION
ENRICHED URANIUM REACTORS
IGNEOUS ROCKS
LEACHING
MANAGEMENT
MELTING
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
PHASE TRANSFORMATIONS
POLYMERS
POWER REACTORS
PROCESSING
PWR TYPE REACTORS
RADIOACTIVE WASTE PROCESSING
REACTORS
RESINS
ROCKS
SEPARATION PROCESSES
SIMULATION
SOLIDIFICATION
THERMAL REACTORS
THREE MILE ISLAND-2 REACTOR
VOLCANIC ROCKS
WASTE MANAGEMENT
WASTE PROCESSING
WATER COOLED REACTORS
WATER MODERATED REACTORS
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
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Light-Water Moderated
Nonboiling Water Cooled
22 GENERAL STUDIES OF NUCLEAR REACTORS
220900 -- Nuclear Reactor Technology-- Reactor Safety
BASALT
CORIUM
DISSOLUTION
ENRICHED URANIUM REACTORS
IGNEOUS ROCKS
LEACHING
MANAGEMENT
MELTING
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
PHASE TRANSFORMATIONS
POLYMERS
POWER REACTORS
PROCESSING
PWR TYPE REACTORS
RADIOACTIVE WASTE PROCESSING
REACTORS
RESINS
ROCKS
SEPARATION PROCESSES
SIMULATION
SOLIDIFICATION
THERMAL REACTORS
THREE MILE ISLAND-2 REACTOR
VOLCANIC ROCKS
WASTE MANAGEMENT
WASTE PROCESSING
WATER COOLED REACTORS
WATER MODERATED REACTORS