FIELD: emission gas treatment.
SUBSTANCE: invention, in particular, relates to cleaning emission gases associated with manufacture of fired building materials to remove injurious impurities. Method according to invention consists in that reductive conditions are created within rotary furnace zone wherein temperature of emission gases is between 850 and 1400°C using burning-out of carbon-containing waste and maintaining air excess factor α = 1.05...1.1, whereas in furnace zone, emission gas temperature is below 800°C, air excess factor α is elevated to 1.2 by feeding hot air.
EFFECT: enabled conversion of nitrogen and sulfur into nitrogen and sulfur and additional removal of CO and simultaneous reclamation of coal production waste.
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