FIELD: industrial ecology. SUBSTANCE: device has at least one afterburning chamber 1 whose inner surface is coated with layer of catalyst 2, screw swirler 3 mounted at inlet of chamber 1 and infra-red radiation source 4 located along axis of chamber 1 whose surface is coated with catalyst film 6 made in form of tape wound at pitch exceeding tape width over continuous helical surface; direction of winding of helical surface is opposite to direction of winding of screw swirler. EFFECT: enhanced efficiency. 4 cl, 4 dwg
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