FIELD: methods of propylene oxide production. SUBSTANCE: method includes oxidation of propylene to propylene oxide in vapor phase with use of oxygen and catalyst on carrier containing silver, gold, potassium promoter, for instance, potassium nitrate or potassium carbonate, and carrier consists fully or partially of carbonate of alkaline-earth metal. EFFECT: increased yield of propylene oxide by direct oxidation in absence of gaseous promoters. 16 cl, 1 tbl
