Methods for wet cleaning or purifying gases or fumes to remove gaseous pollutants
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United States of America Patent
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Sep 25, 2001
Grant Date -
N/A
app pub date -
Sep 27, 1999
filing date -
Sep 21, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Method for wet cleaning gases to remove low soluble pollutants such as mercury metal and nitrogen monoxide. An oxidizing agent is released from a compound such as a sodium chlorite, injected into a recycle stream being conveyed for dispensing into a scrubber, by a releasing agent, such as finely divided solids in the recycle stream, so that the oxidizing agent becomes available at the time of dispersion into the scrubber to oxidize the pollutants on the surface of droplets dispersed throughout the gases in the scrubber. The resulting oxidized pollutants have increased solubility and are transferred to a scrubbing liquid.
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