Ground freezing for containment of hazardous waste
Conference
·
OSTI ID:629375
The freezing of ground for the containment of subsurface hazardous waste is a promising method that is environmentally friendly and offers a safe alternative to other methods of waste retention in many cases. The frozen soil method offers two concepts for retaining waste. One concept is to freeze the entire waste area into a solid block of frozen soil thus locking the waste in situ. For small areas where the contaminated soil does not include vessels that would rupture from frost action, this concept may be simpler to install. A second concept, of course, is to create a frozen soil barrier to confine the waste within prescribed unfrozen soil boundaries; initial research in this area was funded by EPA, Cincinnati, OH, and the Army Corps of Engineers. The paper discusses advantages and limitations, a case study from Oak Ridge, TN, and a mesh generation program that simulates the cryogenic technology.
- Research Organization:
- Corps of Engineers, Cold Regions Research and Engineering Lab., Hanover, NH (United States)
- Sponsoring Organization:
- USDOE Office of Environmental Restoration and Waste Management, Washington, DC (United States)
- DOE Contract Number:
- AI05-94OR22141
- OSTI ID:
- 629375
- Report Number(s):
- DOE/OR/22141--T3; CONF-9508244--; ON: DE98007084
- Country of Publication:
- United States
- Language:
- English
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