METHOD TO REMOVE AMMONIA FROM MINE DEPRESSURIZATION WATER
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United States of America Patent
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Issued Date -
Jul 23, 2015
app pub date -
Jan 22, 2014
filing date -
Jan 22, 2014
priority date (Note) -
Abandoned
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Abstract
The invention is directed to a process for removing ammonia from mine depressurization water involving introducing the water into a tank or collection pond; injecting a sufficient amount of an oxidizing gas into the water to yield aerated water; and holding the aerated water within the tank or collection pond for a pre-determined residence time to perform air-stripping on the aerated water to facilitate the volatilization of ammonia; nitrification to convert ammonia into nitrate and nitrite; or both.
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