EVALUATION OF ULTIMATE DISPOSAL METHODS FOR LIQUID AND SOLID RADIOACTIVE WASTES. IV. SHIPMENT OF CALCINED SOLIDS
The costs of shipping caleined Purex and Thorex wastes were calculated assuming the wastes were produced by a plant processing 1500 metric tons/year of U converter fuel at a burnup of 10,000 Mwd ton, 270 metric tons/year of Th converter fuel at 20,000 Mwd/ton. Calculations were made for Purex waste calcined in acidic and reacidified (after alkaline storage) forms and for Thorex waste calcined in acidic and reacidified forms and with constituents added for producing an acidic Thorex glass. Shipping casks of Fe, Pb, and U were considered at 25, 0.75, and 00/ lb. Casks were cylindrical in shape and up to 60 in. ID, which is large enough to contain four 24-in.-dia., nine 12in.- dia., or thirty six 6-in.-dia. cylinders of calcined waste. Cask weights ranged up to 100 tons. The cask design did not include liquid coolants or mechanical cooling equipment, and couriers were assumed not required. Minimum waste age prior to shipping because of temperature limitations ranged up to 11 years for acidic Purex with four 24-in.-dia. cylinders/cask. Rail freight rates of , , and /ton were assumed for distances of turn of the empty casks. Total costs were lowest in all cases for lead casks, and for 1000 mile round-trip shipments ranged from 5.5 x 10/sup -4/ mil1/kwh/sub e/ for acidic Purex waste at 30 years of age in casks containing four 24-in.-dia. cylinders to 1.6 x 10/sup -2/ mill/kwh/sub e/ for acidic Thorex at 0.33 years in casks containing four 6-in.- dia. or one 12-in.-dia. cylinders. Costs for 3000 mile roundtrip shipments were higher by factors of 2.0 to 2.4. (auth)
- Research Organization:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- DOE Contract Number:
- W-7405-ENG-26
- NSA Number:
- NSA-16-032620
- OSTI ID:
- 4757833
- Report Number(s):
- ORNL-3356
- Resource Relation:
- Other Information: Orig. Receipt Date: 31-DEC-62
- Country of Publication:
- United States
- Language:
- English
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