METHOD FOR RECYCLING FLIGHT ASH WITH A PARTICULAR HUMIDITY CONTENT IN A COMBUSTION PLANT FOR DESTRUCTING ORGANIC POLLUTANTS CONTAINED IN THE FLIGHT ASH.

摘要

In a process for recycling organic pollutants contained in the fly ash from an incinerator into the latter for the destruction of dioxins and furans in filter cakes formed, for example, by solid/liquid separation from fly ash combined with scrubbing fluid, as residues from a waste incinerator, the pollutants are embedded before the recycle into a ceramic matrix which remains essentially stable dimensionally even under the mechanical stress in the incincerator until after the temperature action due to the combustion of the slag. For this purpose, the filter cakes are adjusted to a defined residual moisture content, subsequently mixed with a defined fraction of bentonite, heated and then recycled at a defined geometry into the incinerator furnace.