Process for the recovery of sulfur dioxide from gas flows
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United States of America Patent
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Aug 14, 1990
Issued Date -
N/A
app pub date -
Jan 31, 1989
filing date -
Sep 16, 1985
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Expired
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Abstract
SO.sub.2 containing gas is purified by means of an aqueous absorption solution, and SO.sub.2 is regenerated from this solution. There is used an absorption solution containing a phosphate buffer, and SO.sub.2 is removed from the absorption solution together with water by evaporation.
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