Patent ID: 6375905
Filing Date: 2002-04-23
Classification: B01D,B01J,F28F

Abstract:
An ozone substrate for heat exchange units comprising:a plurality of metal foil plies positioned one on top of the other to form a stack; each foil ply having a plurality of interconnected ribbons forming walls of a channel and comprising a plurality of channels adjacent one another, each channel having geometrically shaped openings and the plies stacked so that channel walls of overlying plies partially block channel openings of overlaid plies; a metal cover on each side of said stack to form a sandwich, said cover thicker than said foil plies, spanning said plies and having cover openings formed therein for fluid communication with channel openings in said stack; and, at least one of said plies having an ozone depleting substance applied to the channel walls thereof for removing ozone from ozone atmosphere as it passes through said sandwich.