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Title: Submergible torch for treating waste solutions and method thereof

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.
  1. (Oak Ridge, TN)
Issue Date:
OSTI Identifier:
Martin Marietta Energy Systems, Inc. (Oak Ridge, TN) ORNL
Patent Number(s):
US 5397481
Research Org:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN
Country of Publication:
United States
submergible; torch; treating; waste; solutions; method; removing; nitrate; nitrite; solution; containing; comprises; tip; fuel; delivery; mechanism; flow; control; catalyst; combustion; chamber; ignited; form; flame; submerged; manner; contact; maintained; period; time; sufficient; decompose; fuel delivery; flow control; time sufficient; solution containing; combustion chamber; waste solutions; waste solution; submergible torch; fuel flow; treating waste; control mechanism; containing nitrate; removing nitrate; torch tip; delivery mechanism; /210/423/588/