FIELD: combustion processes. SUBSTANCE: invention relates to combining of combustion methods with addition of oxygen and separation of oxygen using solid electrolyte ion membranes. According to proposed method, flow of supplied gas containing elemental oxygen is divided into gas flow enriched by oxygen and oxygen depleted gas flow in which flow of gas enriched by oxygen is used in combustion chamber with simultaneous compression of delivered gas flow, separation of oxygen from compressed flow of gas by means of ion-transportation module and mixing of cleaned oxygen gas flow with other gas components at penetration side with formation of oxygen enriched gas flow, blowing through of penetration side of ion-transportation membrane with at least part of gas flow of combustion products obtained at combustion of gas flow coming from permeable side of ion- transportation module in combustion chamber. EFFECT: increased efficiency, reduced ejection of harmful substances into atmosphere after combustion. 10 cl, 3 tbl, 4 dwg
