| 摘要 |
In a method for the operation of a power plant with a closed or quasi-closed cycle, the power plant substantially comprises at least one compressor unit ( 1 ) or a pump, at least one combustion chamber ( 2 ), at least one turbine ( 3 ) and at least one heat sink ( 4 ). In the combustion chamber ( 2 ), a fuel mass flow ( 14 ) reacts with at least one oxygen flow ( 12 ), the excess combustion products which are formed as a result (CO<SUB>2</SUB>, H<SUB>2</SUB>O) are removed from the cycle at a suitable location ( 5, 6 ), and the oxygen stream ( 12 ) fed to the combustion chamber is obtained by means of an air fractionation installation ( 11 ). Means ( 9 ) for coarse fractionation of the supplied air ( 8 ) are connected upstream of the air fractionation installation ( 11 ) in order to supply oxygen-enriched air ( 10 ) to the air fractionation installation ( 11 ).
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