Process and installation for the treatment of effluents by oxidation and denitrification in the presence of a heterogeneous catalyst
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United States of America Patent
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Oct 26, 1999
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N/A
app pub date -
Aug 23, 1997
filing date -
Oct 27, 1994
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Abstract
The invention relates to a process of aqueous phase oxidation of effluents, consisting of subjecting said effluents to oxidation in the presence of at least one catalyst and of at least one oxidising agent, at a temperature of between approximately 20.degree. C. and approximately 350.degree. C., under a total pressure of between approximately 1 and approximately 160 bars, in such manner as to mineralise part of the organic matter and total ammoniated nitrogen contained in said effluents, said oxidation being carried out inside a reactor in which a gaseous phase is set up above the liquid phase consisting of said effluents. characterized in that said catalyst is a heterogeneous catalyst placed inside said reactor above the interface between said gaseous phase and said liquid phase.
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