capture system with ammonia recovery and processes of use
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United States of America Patent
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Jan 7, 2014
Grant Date -
Jan 3, 2013
app pub date -
Feb 21, 2012
filing date -
Jul 1, 2011
priority date (Note) -
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Abstract
Processes for recovering ammonia from an ammonium sulfate stream include reacting the ammonia sulfate stream with a lime slurry to form a slurry comprising calcium sulfate and ammonia; providing the slurry comprising calcium sulfate and ammonia to a stripper configured to recover the ammonia from the slurry; utilizing a heat source from a chilled ammonia process to the stripper; and extracting an ammonia vapor stream from the stripper. Also disclosed are systems for performing the processes.
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