Process for producing ammonium thiosulfate
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United States of America Patent
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Feb 2, 2010
Grant Date -
Feb 28, 2008
app pub date -
Aug 22, 2007
filing date -
Aug 23, 2006
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Abstract
into a solution of ammonium sulfite and then contacting gaseous feed streams with portions of the resulting solution in a plurality of contact zones where portions of ammonium sulfite in the liquid streams are converted to ammonium thiosulfate upon contact with the gaseous feed streams.
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