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US 4,301,126 AGranted
Process for destroying phosgene
AssigneeBASF SE
InventorsGerd Duembgen, Erfried Voelkl, Gerhard Pforr
Life of this patent
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Abstract
To destroy phosgene contained in gases, the phosgene is decomposed catalytically in the presence of active carbon by hydrolysis with water vapor, in the absence of liquid water, at above the dew point of water.
Claims3
A process for destroying phosgene contained in gases which comprises:
- passing the gas containing phosgene mixed with water vapor and in the absence of liquid water through a bed of active carbon at a temperature of from 10.degree. to 80.degree. C.
Dependencies are inferred from the claim text.