FIELD: cleaning of exhaust gases from aviation engines during ground-based tests. SUBSTANCE: exhaust gases containing NONOx and SOSOx as impurities are subjected to after-oxidation by irradiating them with electron beam. Gases are next cooled down to crystallization temperature or to condensation temperature of sulphur and nitrogen oxides in regenerator by means of coolant. Gases thus-cooled are passed through additional regenerator to cool them down to NONOx and SOSOx condensation or crystallization temperatures, whereupon they are discharged to atmosphere. EFFECT: improved gas cleaning method. 1 dwg
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