Sub-critical partial oxidation for treatment of nitration wastes
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United States of America Patent
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Aug 12, 2014
Grant Date -
Mar 8, 2012
app pub date -
May 14, 2010
filing date -
May 15, 2009
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Abstract
A process for treating wastewater containing nitro-hydroxy-aromatic compounds using oxidative sub-critical conditions. The wastewater to be treated is adjusted to contain excess hydroxide equivalent to greater than three moles of free hydroxide per mole of total nitro-hydroxy-aromatic compounds, and a sub-stoichiometric amount of an oxidant is supplied to the wastewater. The nitro-hydroxy-aromatic compounds may include nitro-phenol salts or nitro-cresol salts.
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