Process for the solvent extraction for the radiolysis and dehalogenation of halogenated organic compounds in soils, sludges, sediments and slurries
Patent
·
OSTI ID:1176103
A process of extracting halogenated organic compounds, and particularly PCBs, from soil, sediment, slurry, sludge and dehalogenating the compounds contacts a contaminated soil sample with an extraction medium of a mixture of an alkane and a water miscible alcohol. The organic compounds dissolve in the extraction medium which is separated from the soil by passing water upwardly through the soil. The extraction medium floats to the surface of the water and is separated. Thereafter, the extraction medium containing the halogenated organic contaminants is subjected to ionizing radiation to radiolytically dehalogenate the compounds.
- Research Organization:
- Idaho National Engineering Laboratory (INEL), Idaho Falls, ID (United States); Clean Earth Technologies, LLC, St. Louis, MO (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC07-94ID13223
- Assignee:
- Clean Earth Technologies, LLC (St. Louis, MO)
- Patent Number(s):
- 7,175,816
- Application Number:
- 10/386,181
- OSTI ID:
- 1176103
- Country of Publication:
- United States
- Language:
- English
Hydromechanical Method to Increase Efficiency of Algal Photosynthesis
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