Regeneration of Whetlerite for Adsorbing Toxic Pollutants From Air.
Patent, Filed 13 Dec 90, patented 10 Nov 92,
DEPARTMENT OF THE NAVY WASHINGTON DC
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Whetlerite degraded by exposure to atmospheric contaminants is treated to restore its ability to adsorb toxic air pollutants by passing through it a flow of an oxygen-containing gas further containing from 500 to 2000 ppm of carbon monoxide and water vapor corresponding to 60 to 90 percent relative humidity at 60 to 80 degrees C.
- Air Pollution and Control