Patent ID: 7022158
Filing Date: 2006-04-04
Classification: B01D,B01J,Y10S

Abstract:
1. A method of removing a contaminant from a gas in an airplane cabin, the method comprising: (a) installing a contaminant removal article in a pathway of the gas, the article comprising a body having a thickness of at least 1 cm, the body comprising a plurality of passages extending through the body in a side-by-side array, the passages having a cross-sectional width of no more than about 5 mm, the passages having an interior surface and a coating substantially covering the interior surface, the coating comprising a polymeric binder and an adsorptive particulate, the coating having a thickness of no more than 0.5 mm, and the article having only incidental catalytic properties; (b) contacting the gas with the article, the gas having contaminant present at a level of 50 ppm-volume to 2 ppb-volume; and (c) removing at least 90% of the contaminant from the gas with a pressure drop of no greater than 1 inch water at an airflow filter face velocity of 0.5 m/s.