scholarly journals Oak Ridge National Laboratory Melton Valley Storage Tanks Waste Filtration Process Evaluation

10.2172/5149 ◽  
1998 ◽  
Author(s):  
B.W. Walker
Keyword(s):  
Process Evaluation ◽  
National Laboratory ◽  
Storage Tanks ◽  
Filtration Process ◽  
Oak Ridge ◽  
Oak Ridge National Laboratory

scholarly journals Cleanout of Waste Storage Tanks at Oak Ridge National Laboratory

1984 ◽  
Vol 44 ◽  
Author(s):  
H. O. Weeren ◽  
L. C. Lasher ◽  
E. W. McDaniel
Keyword(s):  
Research And Development ◽  
Process Design ◽  
National Laboratory ◽  
Radioactive Wastes ◽  
Development Work ◽  
Storage Tanks ◽  
Oak Ridge ◽  
Waste Storage ◽  
Oak Ridge National Laboratory ◽  
Underground Disposal

AbstractIn 1943, six storage tanks were built at the Clinton Laboratories [later to become Oak Ridge National Laboratory (ORNL)] to contain wastes generated by wartime research and development operations. During the following years, these tanks became an integral part of the ORNL waste system and accumulated ∼1.5 × 106 L (400,000 gal) of sludge containing radioactive wastes. Recently, over a period of ∼18 months, these tanks were sluiced, the radioactive sludge resuspended, and the resuspended slurry pumped to the ORNL Hydrofracture Facility for underground disposal.In this paper, a summary of the development work is given, and the process design and constraints are described. The operating difficulties encountered and overcome included grinder blade erosion, malfunctioning instruments, pump suction plugging, and slurry settling. About 90% of the settled sludge (containing ∼715,000 Ci) was removed from the system.

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