Patent ID: 6814011
Filing Date: 2004-11-09
Classification: B01D

Abstract:
Plant for the hot treatment of waste gases from municipal waste incinerators, comprising a first line of taking up hot waste gases to be treated by an exit section of a municipal waste incinerator, at least a one stage fluid bed contained within at least one reactor and invested by the waste gases to be treated, at least one hopper for charging a solid granular material inside said at least one reactor, a cyclone separator at the outlet of the said reactor; the treated waste gases exiting from the said at least one reactor being first introduced into said separator and subsequently conveyed, by a first uptake line, toward a final discharge chimney; wherein in said first uptake line, downstream of said cyclone separator, provision is made for a second recirculating line that moves the waste gases treated by the said reactor, upstream of the said reactor, so that by this second line said treated waste gases mix with the waste gases to be treated originating from an uptake section of the incinerator.