Compositions – Radioactive compositions
Patent
1990-03-30
1990-12-18
Nelson, Peter A.
Compositions
Radioactive compositions
252630, 252632, 110237, 44589, 44591, G21F 900
Patent
active
049784773
ABSTRACT:
Process for the treatment of a hazardous material containing a thermochemically destructible component comprising contacting the material with a carbon char, thereafter loading the carbon char into a reaction vessel having two ends, initiating a flame front at one end of the loaded vessel, introducing an oxidant to the other end of the vessel, and allowing the flame front to move through the carbon char in the direction of the end through which the oxidant is introduced and away from the end at which the flame front was initiated.
REFERENCES:
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patent: 4152119 (1979-05-01), Schulz
patent: 4225457 (1980-09-01), Schulz
patent: 4315656 (1982-02-01), Hall
patent: 4352332 (1982-10-01), Baston
patent: 4499833 (1985-02-01), Grantham
Disinger et al., "Some Unique Approaches to the Chromatographic and Spectrophotometric Analysis of Underground Coal Gasification By-Product Waters and Their Applications to Environmental Control", 8th Underground Coal Conversion Symposium, Aug. 1982, pp. 345-354.
Manahan et al., "Interaction of Contaminated Water and Solid Material By-Products from in situ Coal Gasification: Implications for Pollution Control Technology", 6th Underground Coal Conversion Symposium, 1980, 10 pages.
"Hanna Coal Used to Destroy PCBs", The Laramie Daily Boomerang, Oct. 15, 1988.
Gale, "The Adsorption of Trace Heavy Metals From Solution by Coal and Coal Derived Solid Phases", May 1981.
Kistler et al., "Behavior of Chromium, Nickel, Cooper, Zinc, Cadmium, Mercury, and Lead During the Pyrolysis of Sewage Sludge", Environ. Sci. Technol. 1987, 21, pp. 704-708.
Oppelt, "Hazardous Waste Destruction", Environ. Sci. Technol., vol. 20, No. 4, 1986, pp. 312-318.
Larsen David W.
Manahan Stanley E.
Carroll Chrisman D.
Chem Char Research, Inc.
Nelson Peter A.
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