available for providing optimum flow rates in the gas turbine and water was added which reduces efficiency the following examples are provided to illustrate preferred embodiments of the invention and are not intended to restrict the scope thereof an air separation unit lgcc was constructed in accordance with the drawing table 1 provides stream flowrates and properties table 1______________________________________ pres stream flow sure temp compositionno lbmol hr bar deg f oxygen______________________________________ 10 16060 1 01 60 21 18 15739 11 7 75 21 37 1110 10 9 65 0 5 42 3432 3 5 65 95 48 3432 3 5 90 95 2 11048 3 4 65 2802 5334 18 4 446 2622 5714 3 4 218 2100 12698 18 4 570200 100000 1 01 60 21204 100000 14 4 724 21208 112000 14 4 2200 13214 112000 1 03 1137 13______________________________________ after heating using available heat energy i e heat of compression of the air compressor to the air separation unit ______________________________________fuel gas composition percent______________________________________nitrogen 1 9argon 1 9carbon monoxide 65 0carbon dioxide 1 2hydrogen 10______________________________________ the following table gives a comparison between the olszewski process with either total air separation unit feed or partial feed from the gas turbine gt compressor and the.