Patent ID: 7194979
Filing Date: 2007-03-27
Classification: A01K,B01D,Y02A

Abstract:
1. A method for removing ammonia, other odors, dust, particulates, and microbial pathogens from the air from an animal rearing facility comprising: a) providing an enclosed building for an animal, said building comprising at least one inlet for admitting air from the environment, at least one outlet for exhausting air therefrom, a ventilation system comprising an air mover effective to draw air into said building through said inlet and out from said outlet, and an air scrubber in communication with said outlet; b) moving air in said building through said outlet and said scrubber; and c) contacting said air moving through said scrubber with an solution of a salt of an acidic proton donor selected from the group consisting of alum, AlCl