Submergible torch for treating waste solutions and method thereo

Details Submergible torch for treating waste solutions and method thereo Submergible torch for treating waste solutions and method thereo

1994-04-13

1995-03-14

Nessler, Cynthia L.

Liquid purification or separation

Processes

Chemical treatment

210766, 210903, 423251, 423659, 588 19, 588 20, C02F 170

Patent

active

053974816

ABSTRACT:
A submergible torch for removing nitrate and/or nitrite ions from a waste solution containing nitrate and/or nitrite ions comprises: a torch tip, a fuel delivery mechanism, a fuel flow control mechanism, a catalyst, and a combustion chamber. The submergible torch is ignited to form a flame within the combustion chamber of the submergible torch. The torch is submerged in a waste solution containing nitrate and/or nitrite ions in such a manner that the flame is in contact with the waste solution and the catalyst and is maintained submerged for a period of time sufficient to decompose the nitrate and/or nitrite ions present in the waste solution.

REFERENCES:
patent: 3006859 (1961-10-01), Allemann et al.
patent: 3479295 (1969-11-01), Thompson
patent: 3862296 (1975-01-01), Dotson et al.
patent: 4990266 (1991-02-01), Vorlop et al.
patent: 5118447 (1992-06-01), Cox et al.
patent: 5221486 (1993-06-01), Fassbender
Thompson et al, "Fluidized Bed Calcination of Radioactive Wastes Using In-Bed Combustion Heating", Nuclear Technology, vol. 16, Nov. 1972 pp. 396-405.
Stinson, Stephen C., "EPA to Evaluate New Technologies For Cleaning Up Hazardous Wastes", Chemical and Engineering News, May 25, 1987, pp. 7-12.

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