Patent ID: 6673241
Filing Date: 2004-01-06
Classification: A01C,B01D,C02F,Y02A,Y02W

Abstract:
A self-floating cover system for reducing offensive gases and/or odors emitted from a body of water, the cover system comprising:at least one gas permeable cover unit sized and shaped to cover at least a portion of the body of water, said cover unit being flexible and having an upper surface formed by a filamentary material and capable of supporting growth of aerobic biomass capable of oxidizing emissions from the body of water thereon when the cover system is placed onto the surface of the body of water, a buoyancy-imparting layer substantially coextensive with the cover unit in area of coverage and constructed of a buoyant material comprising closed cell foam, the buoyancy of said cover unit being greater than the maximum weight of biomass that accumulates on and within said cover unit when the cover system is placed onto the surface of the body of water such that at least a portion of the upper surface of the cover unit remains above the surface of the body of water.