Bottoming Gas Turbine-Electric Plant by Immiscible Liquid Cycle

The use of the immiscible liquid binary cycle (ILBC) to recover exhaust heat from electric utility gas turbine plant is described. In simple dual pressure plant without L.P. turbine admission, increase in specific work output compared with the steam cycle and its variation with condenser pressure, turbine efficiency and exhaust gas temperature is presented. The penalty of larger condenser surfaces is quantified. A dual pressure steam—ILBC cycle with L.P. turbine admission, which should improve on the corresponding steam cycle, is proposed.