<p>A combustion installation (1 ) comprising a combustion device (2) for combustion of a fuel and an oxygen-containing gas to a combustion gas and a method for such combustion is described. A nozzle means (31 ) is arranged for injection of the fuel into the combustion device (2) and a membrane device (7) for supplying oxygen to the combustion gases for production of the oxygen- containing gas, wherein the combustion device (2) comprises at least a first inlet (5) for the oxygen-containing gas and an outlet (6) for the combustion gases. The combustion installation comprises at least a first ejector (46) including the nozzle means (31 ) and the first inlet (5), wherein the nozzle means (31 ) and the first inlet (5) are arranged to drive the flow of oxygen con- taining gas and fuel through the combustion device (2).</p>
