Process for eliminating or reducing persistent organic pollutants contained in particles
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United States of America Patent
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May 12, 2015
Grant Date -
Feb 20, 2014
app pub date -
Oct 28, 2013
filing date -
Apr 29, 2011
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Abstract
A treatment process of persistent organic pollutants contained in particles is provided. Said process includes reacting persistent organic pollutant in particles under hydrothermal conditions in the presence of Fe2+ and Fe3+. Several beneficial effects can be achieved, including 1) no other additive is needed during the reaction process; 2) Fe2+ and Fe3+ are safe, cheap and extensive sources; 3) because Fe2+ and Fe3+ are dissolved, they can fully disperse into particles, and fully contact can be achieved, thus obtaining a decomposition rate no less than 70% of the persistent organic pollutants is under subcritical conditions.
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