About IGCC Plant

Outline of IGCC Plant

Capacity 543 MW (Gross)
Coal Consumption Approx. 3,400 t/day
Efficiency (Net) Approx. 48 % (LHV)
System Gasifier Air-Blown & Dry Feed Two Stage Entrained Flow
Gas Clean-up Wet (Chemical Absorption) + Gypsum Recovery
Gas Turbine Simple open cycle , single-shaft (1400℃ -class)
Flue Gas Properties SOx 10 ppm (16 % O2 basis)
NOx 6 ppm (16 % O2 basis)
Particulate 5 mg/m3N (16 % O2 basis)
Drawing

About IGCC

About IGCC

IGCC is a new power generation system aiming at higher efficiency than conventional pulverized coal firing systems by integrating coal gasification with combined cycle power generation technology.

About IGCC

Trend of Coal-Fired Power Plants Efficiency

Improvement of thermal efficiency realizes fuel savings and reduction in CO2 emissions. The thermal efficiency of IGCC is higher than that of conventional pulverized coal firing systems.

Trend of Coal-Fired Power Plants Efficiency

Effective Utilization of Low Ash Melting Point Coal

IGCC makes low ash melting point (1400℃ and under) coal available, while it is difficult to use this for conventional pulverized coal firing systems.

Effective Utilization of Low Ash Melting Point Coal

Superior Environmental Performance

IGCC is more efficient than conventional pulverized coal firing systems, and CO2 emissions are reduced by about 15%. IGCC can also reduce the volume of coal ash and the amount of cooling water discharge.

Superior Environmental Performance

The volume of ash is reduced by around 50% since the ash is dissolved as glassy slag instead of coal ash. The slag can be recycled such as for cement components and road materials.

IGCC History

Air-blown IGCC has been developed for over 30 years in Japan.

IGCC History

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