Analysis of Integrated Gasification Combined Cycle (IGCC) Power Plant Based on Climate Change Scenarios with Respect to CO2 Capture Ratio

2011 ◽  
pp. 1919-1923 ◽  
Author(s):  
Kyungtae Park ◽  
Kyusang Han ◽  
En Sup Yoon
Keyword(s):  
Climate Change ◽  
Power Plant ◽  
Co2 Capture ◽  
Combined Cycle ◽  
Climate Change Scenarios ◽  
Integrated Gasification Combined Cycle ◽  
Capture Ratio ◽  
Integrated Gasification ◽  
Igcc Power Plant

Effect of supplementary firing on the performance of an integrated gasification combined cycle power plant

2000 ◽  
Vol 214 (1) ◽  
pp. 53-60 ◽  
Author(s):  
S De ◽  
P K Nag
Keyword(s):  
Power Plant ◽  
Heat Recovery ◽  
Combined Cycle ◽  
Exergy Loss ◽  
Temperature Ratio ◽  
Integrated Gasification Combined Cycle ◽  
Specific Heats ◽  
Second Law Analysis ◽  
Integrated Gasification ◽  
Igcc Power Plant

The effect of supplementary firing on the performance of an integrated gasification combined cycle (IGCC) power plant is studied. The results are presented with respect to a simple ‘unfired’ IGCC power plant with single pressure power generation for both the gas and the steam cycles as reference. The gases are assumed as real with variable specific heats. It is found that the most favourable benefit of supplementary firing can be obtained for a low temperature ratio R T only. For higher R T, only a gain in work output is possible with a reverse effect on the overall efficiency of the plant. The second law analysis reveals that the exergy loss in the heat-recovery steam generator is most significant as the amount of supplementary firing increases. It is also noteworthy that, although the total exergy loss of the plant decreases with higher supplementary firing for a low R T (= 3.0), the reverse is the case for a higher R T (= 6.0).

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