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Integrated Gasification Combined Cycle GE IGCC ... - apec egcfe

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<strong>IGCC</strong> Environmental Benefits<br />

SOA Combustion Plant<br />

Boiler SCR<br />

Baghouse<br />

95% SO 2<br />

Wet Wet<br />

Scrubber<br />

Results<br />

NOx: 0.10 lb/MMBtu<br />

SO 2 : 0.25 lb/MMBtu<br />

PM: 0.03 lb/MMBtu<br />

<strong>Integrated</strong> <strong>Gasification</strong> <strong>Combined</strong> <strong>Cycle</strong> on High Sulfur Coal Results<br />

NOx: 0.07 lb/MMBtu<br />

Syngas COS<br />

Gasifier Syngas COS MDEA<br />

Gas Gas SO2 : 0.10 lb/MMBtu<br />

Gasifier Scrubber Hydrolysis Hydrolysis Scrubber<br />

Turbine PM: 0.01 lb/MMBtu<br />

Scrubber<br />

Turbine<br />

NOxEmissions NOxEmissions - lb/MW<br />

6.0<br />

5.0<br />

4.0<br />

3.0<br />

2.0<br />

1.0<br />

5.5<br />

0.0 National<br />

Coal Average<br />

1.68<br />

0.29-0.72<br />

NSPS SOA Pulverized<br />

Coal SCR<br />

0.23-0.42<br />

<strong>IGCC</strong><br />

SO2 Emissions (lb/MMBtu)<br />

1.4<br />

1.2<br />

1.0<br />

0.8<br />

0.6<br />

0.4<br />

0.2<br />

0.0<br />

1.22<br />

National<br />

Average<br />

1998<br />

0.51<br />

Average<br />

WFGD PC<br />

1998<br />

0.1<br />

New PC<br />

PRB Coal<br />

WFGD/ SCR<br />

0.07<br />

<strong>IGCC</strong><br />

Circa 1996<br />

(Wabash)

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