High-level waste vitrification by spray calcination/in-can melting

Technical Report · Mon Nov 01 04:00:00 EST 1976

DOI:https://doi.org/10.2172/7335297· OSTI ID:7335297

Larson, D E; Bonner, W F ^[1]

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1. comp.

Federal regulations require that high-level liquid waste (HLLW) be converted to a solid for custody in a Federal repository. The Spray Solidification/In-Can Melting process has been developed and is being demonstrated for commercial application. The bases used are similar to those of the NFS plant and to anticipated regulations for waste canister receipt at a Federal repository. The reference NFS flowsheet combines plant HA Column Wastes, Low-Level Wastes, and various HLLW process recycle streams to produce a borosilicate glass. After the canister is filled and sealed, the lid weld will be inspected and decontaminated. Equipment and instrumentation for feed supply to the calciner, calcination, melting, welding, weld inspection, canister decontamination, and in-cell canister storage are being designed and demonstrated. Preliminary facility layouts, equipment design data, and instrumentation needs are provided for major process equipment systems. Additional demonstration work is being performed to verify and complete the plant scale equipment design, including full-scale nonradioactive equipment testing, nonradioactive facility mockup for equipment remote operation and maintenance demonstration, and pilot plant production of waste glass from commercial fuel HLLW. The technology for spray calcination and in-can melting is ready for commercial application. Required additional work is described. A preliminary evaluation is made of materials that may be released from the process from normal and abnormal operations in the facility. 34 figures, 20 tables. (DLC)

• Research Organization: Brookhaven National Lab., Upton, NY (USA)
• DOE Contract Number: EY-76-C-06-1830
• OSTI ID: 7335297
• Report Number(s): BNWL-2092
• Country of Publication: United States
• Language: English

Related Subjects

050800 -- Nuclear Fuels-- Spent Fuels Reprocessing
052001* -- Nuclear Fuels-- Waste Processing
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
BORON COMPOUNDS
BORON SILICATES
CALCINATION
CHEMICAL REACTIONS
CLEANING
CONTAINERS
DECOMPOSITION
DECONTAMINATION
DEMONSTRATION PROGRAMS
DIAGRAMS
DRYING
EQUIPMENT
FLOWSHEETS
FUEL REPROCESSING PLANTS
GLASS
LEAK TESTING
LIQUID WASTES
MANAGEMENT
MELTING
NUCLEAR FACILITIES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
POWER REACTORS
PROCESSING
PYROLYSIS
RADIOACTIVE WASTE PROCESSING
RADIOACTIVE WASTE STORAGE
REACTORS
SEALS
SILICATES
SILICON COMPOUNDS
SOLIDIFICATION
SPRAY DRYING
STORAGE
TESTING
WASTE MANAGEMENT
WASTE PROCESSING
WASTE STORAGE
WASTES