Assertion: phosgene | /r/HasProperty | neutralized by dilute caustic solution
Facets:
Source sentences:
text: The noncondensed product gases, containing unreacted carbon monoxide (i.e., the excess carbon monoxide that was fed to the reactor and which passed through it unreacted), chlorine, hydrogen chloride, and other by-products as well as a small amount of phosgene, are then passed through an absorption system where the hydrogen chloride and phosgene are neutralized by a dilute caustic solution.