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Tuesday 21 December 1999
RM 99 A 000 780
Continuous ecological inertization process of halogenated organic materials by metallurgy reactor thermodestruction, recovering thermal energy from combustion of thermodestruction gases
Continuous ecological inertization process of halogenated organic materials by metallurgy reactor thermo-destruction, comprising the steps of: introducing sideways in a lower area of the reactor off from the bottom thereof, via a first injection level, a mixture containing said halogenated organic materials, optional additives, fuels and carrier gases of the mixture, the quantity of lime added as additive being at least stoichiometric with respect to the quantity of halogenated organic material introduced; introducing sideways in a lower area of the reactor or from the bottom thereof, optionally via a second injection level, comburent; extracting, from a scavenging area, inert iron metallurgy slag in which compounds containing halogens, optionally to be recovered, are dissolved; recovering thermal energy from combustion of thermodestruction flue gases. The figure shows the sectional side view of an AOD (Argon Oxygen Decarburization) stainless steel converter, in which a specific embodiment of the process according to the invention is carried out.
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