Removal of fatty acids, odor, flavor and destabilizing impurities, as well as some color bodies by subjecting the oil to high vacuum and temperature, augmented by direct steam agitation, under conditions so that the impurities are vaporized and removed while the oil remains liquid.

an agent which corrects or removes unpleasant odors

Action taken to remove the odor and contaminants from an atmosphere following a fire. See Fogging Devices.