GE Energy

1
GE Energy

• Clean Coal Strategy Opportunities
• Kiev
• March 20th 2007

2
IGCC Emissions Approaching Natural Gas
90
0.075
50-90
Average of Recent Permit Data
0.050
PC
IGCC
kg/GJ
Mercury Removal
NOx
Best Individual Plant Level
SO2
0.025
30 Less
PM10
PC
IGCC
0.00
Water Consumption
NGCC
Advanced PC/SCPC
IGCC
Source GE internal data, average of 28 permits
granted, applications and publicly reported
emissions
3
Deriving Maximum Value From Coal
(H2
CO)
Syngas
4
CO2 Emissions with Todays Fuels
CO
Emissions per MWh
2
Coal Plant (41)
Coal Plant (45)
IGCC at 25 removal
Heavy-Duty SC GT (37)
Technology
Natural Gas Fired Steam Plant (38)
IGCC at 70 capture
FB Combined Cycle (58)
H Combined Cycle (60)
IGCC at 90 capture
0
250
1000
1500
500
Kilograms per MWh
5
GEs Integrated Gasification Combined Cycle
Five Basic Steps
CO2
Gasification
Syngas Clean-up
Coal
Sulfur
Syngas Cooling
Hg
Slag
Clean Fuel
Heat
O2
Combined Cycle
Air Separation System
Air/N2
Air
Electricity
6
Pre-Combustion Carbon Removal A Proven Process
Diffusion Combustor Diluent NOx Control
Oxygen, Feedstock
Process Gas Only High P, Low Vol High Driving
Force
Water Gas Shift COH2O -gt CO2H2
Gasification
Optional Shift
AGR/SRU
Power
H2
Slag
CO2
S
Hg
Proven Gasification
Proven Process Technology
Proven Turbines

• 25 GE Gas Turbines operating at 50 H2
• F-class combustion validation up to 90 H2

• 63 GE Licensed Gasification Units operating
  worldwide
• 12 with solid feedstock

• 25 GE Licensed Gasification Units operating
  worldwide using shift reaction to produce H2
• 8 with solid feedstock

• 25 GE Licensed Units operating worldwide using
  AGR technology to completely remove CO2 from
  shifted syngas
• 8 with solid feedstock

7
IGCC CO2 Capture Alternatives
No Capture
Coal
CO2 Rich Fuel Gas
Gasification
Acid Gas Removal S Recovery
Power Block
HRSG Exhaust .83 MT CO2/MWh
Sulfur
Initial Capture
Gasification
Acid Gas Removal CO2 S Recovery
Power Block
CO2 Lean Fuel Gas
HRSG Exhaust .63 MT CO2/MWh
Coal
CO2 to Sequestration 0.2 MT/MWh
Sulfur
H2 Rich Fuel Gas
ShiftCapture
Coal
Gasification
Power Block
Acid Gas Removal CO2 S Recovery
Partial/ Full Shift
HRSG Exhaust .1-.3 MT CO2/MWh
CO2 to sequestration 0.6-0.9 MT/MWh
Sulfur