FIELD: process engineering.
SUBSTANCE: invention may be used for purification of UCE exhaust gases. Device intended for reducing emission of polychlorinated di-benzo-dioxines (PCDD) and polychlorinated di-benxo-furanes (PCDF) incorporates catalyst of oxidation of hydrocarbon precursors of PCDD and PCDF, arranged either ahead or behind catalyst, and catalyst of decomposition of PCDD and/or PCDF, aforesaid catalyst containing transition metals. Decomposition and/or oxidation catalyst for PCDD and/or PCDF, or precursors thereof, features additionally higher activity of nitrogen oxide oxidation by means of ammonium.
EFFECT: reduced formation and emission.
21 cl
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