A new type of integrate gasification gas turbine cycle with chemical-looping combustion and saturation for air,called IGCLSA,is proposed as a candidate for the next-generation coal based power plant.The greaphical exergy analysis on the energy-utilization diagrams (EUDs) has revealed that the thermal efficiency of the IGCLSA powr plant is increased by approximately 5 percentage points compared to the conventional IGCC.From the viewpoint of environmental impact,this new type of coal-based power plant may provide a possibility to develop the clean-coal technology: no NOx formation and effective recovery of Co_2.
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