Sulfur dioxide removal from gases using a modified lime
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United States of America Patent
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Jan 21, 1992
Grant Date -
N/A
app pub date -
Nov 6, 1990
filing date -
Nov 6, 1990
priority date (Note) -
Expired
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Abstract
A wet scrubbing process for removing sulfur dioxide from combustion gases uses an aqueous slurry containing calcium components resulting from the slaking of lime, with the slaked lime formed by mixing lime with water containing a calcium sulfur-oxide salt. The presence of the calcium sulfur oxide salt in the slaking water results in a more easily dewatered sludge that is subsequently removed from the wet scrubbing system.
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