Waste water process with scrubber
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United States of America Patent
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Apr 17, 2007
Grant Date -
Mar 1, 2007
app pub date -
Sep 23, 2005
filing date -
Aug 26, 2005
priority date (Note) -
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Abstract
An apparatus and method for treating waste products produced by chemical processing plants. Steam stripping waste sour water results in a vapor including ammonia and hydrogen sulfide. A scrubber unit including a quenching column produces a concentrated ammonium sulfide solution. The concentrated ammonium sulfide allows for more efficient transfer from more than one refinery to a centralized purification facility for further processing.
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