Method for processing aqueous effluents containing metal nitrate or nitrite salts
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United States of America Patent
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Jun 15, 2010
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Jun 17, 2005
filing date -
Jun 18, 2004
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Abstract
+ in aqueous solution, generally in the form of an aqueous ammonia solution, into the aqueous effluent and, subsequently (II) in processing the obtainable medium at a temperature ranging from 100 to 700° C. and a pressure of 1-50 MPa (i.e. from 10 to 500 bar), thereby converting the metal (M) nitrite or nitrate into metal (M) oxide, nitrogen and water.
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