PROCESS FOR THE ABSORPTION OF SULFUR DIOXIDE FROM FLUE GAS
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United States of America Patent
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Issued Date -
Oct 22, 2009
app pub date -
Sep 4, 2007
filing date -
Sep 4, 2006
priority date (Note) -
Abandoned
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Abstract
The present invention provides a process for the absorption of sulfur dioxide from flue gases comprising the steps of: a) providing input seawater or brackish water; b) treating at least a portion of the seawater or brackish water to form a more concentrated solution of ions; and c) contacting the flue gas with an aqueous stream containing the concentrated solution to form flue gas with a reduced content of sulfur dioxide and a wash solution. wherein the treatment in stage (b) is a process selected from the group consisting of vacuum distillation, distillation, reverse osmosis, or any combination thereof.
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