Advancements in Gasification TechnologyAllan Connolly, General Manager of Gasification Technology

October 12, 2005

GE Energy

2 /

GE’s IGCC Technology … A Total Package

Gasification Technology

World class commercial experience

Demonstrated process design expertise

Guaranteed product performance

Manufacturing excellence

Power block equipment design

Technology development process

Power Generation Technology

+

3 /

Diverse GE Global Team

Houston, TX – Process design & industry experience

Niskayuna, NY – Materials, design, system analysis

Shanghai, China – Materials, chemistry, instrumentation

Bangalore, India – Computational

Greenville, SC – Design & manufacturing

Irvine, CA– Gasification modeling

New Technology Intro/New Product Intro Team

4 /

Technology Development

Gasification Technology Investment

Design Methodology … Approach

• Advanced materials

‘05 ‘06

$ Y

Avg/yr ‘01–‘04

‘07

$15Y

$10Y est.

$15Y

• CFD & FEA modeling

• Experimental validation

– Piloting

– Testing

15X

5 /

IGCC Reference Plant

• Two 7FB CTs optimized for IGCC

• Two gasification trains optimized for IGCC

• Reference plant for range of feeds

• Part of multi-generation technology development plan

• GE equipment expertise + Bechtel project expertise

g

g

SwitchyardCombined

CycleASU

AGR

Sulfur

Recovery

Gasifier

and Syngas

Cooler Low Temp.

Gas Cooling

Fines

Handling

Wastewater

Treatment

Slag/Fine

Offloading Sulfur By-product

Handling

Make-up Water

Treatment

Make-up Water

Delivery

Coal

Handling

Coal

Delivery

Slurry

Slag

Washed

Syngas

Cooled

Syngas

Oxygen

Fines

Blowdown Water

Clean Syngas

Acid Gas

Reference Plant/Site Interface

Sulfur

Coal Grind

Reference Plant / Site Interface

6 /

Hydrogen/Syngas Plants

• Leverage IGCC gasification technology advances

• Leverage gasification experience from large installed base

• Feed flexibility

- Coal

- Petroleum coke

- Heavy oil

• Product flexibility

- Hydrogen

- Synthesis gas for liquid fuels, methanol, DME

- Power

- Steam

- CO2 for enhanced oil recovery

• Synergies with GE Oil & Gas compression technology

7 /

Flow

DistribFeed Injector

H2S Red

CO2 Capture

Alt

Process

Alt

ProcessGas Cleanup

NOx

Red

Adv

Mat’ls

Syngas

Opt

Inc

Cap’y

Combustion

Turbine

Opt Mech

Design

Inc Heat

Recovery

Reduce

Size

Syngas

Coolers

Adv

Mat’ls

Gasifier

Refractory

Reduced

WaterFeed System

Gasification Technology Opportunities

Cost Efficiency Availability Emissions

Reduced O2

8 /

Technology Development

Objective

• Mitigate performance penalty

Benefits

• Enables low rank coals

• Increases gasifier efficiency

• Reduces oxygen consumption

Resources

• Gasification – GE Energy

• GE Global ResearchPRB Coal Seam

Source: UBS Energy Presentation, Peabody Coal Aug 2005

Feed System … Low Rank Coals

9 /

Technology Development

Injector Spray Test Facility

Feed Injector

Objective

• Optimize gasifier flow distribution

Benefits

• Increase gasifier availability

• Improve gasifier efficiency

Resources

• Gasification – GE Energy (GE Transportation)

• GE Global Research

• Manufacturers

10 /

Technology Development

Improved Refractory Material

Refractory

Objective

• Increase refractory life

Benefits

• Increase gasifier availability

• Decrease replacement refractory cost

Resources

• Gasification – GE Energy

• GE Global Research

• 3rd party materials research lab

• Manufacturers

11 /

Technology Development

Syngas Cooler Bundle

Synthesis Gas Cooler

Objective

• Decrease synthesis gas cooler size

• Increase heat recovery

• Eliminate synthesis gas cooler deposition

Benefits

• Increase gasification availability

• Reduced synthesis gas cooler cost

• Increased efficiency

Resources

• Gasification – GE Energy

• GE Global Research

• EPCs, Fabricators

12 /

Technology Development

7FB Combustion Turbine

Objective

• Improve CT performance on synthesis gas

Benefits

• Lower $/kw

• Increased efficiency

• Decreased NOx emissions

• Increased reliability

Resources

• GE Energy & GE Transportation

Combustion Turbine

13 /

IGCC Gas Turbine Progression

NG 7FA(150MW)

IGCC 7FA+e

(197MW)

NG 7FA+e(172MW)

+e

IGCC 7FA(192MW)

NG 7FB(184MW)

IGCC 7FB(210+MW)

Disciplined NPI and Experience Path

1989 1999 2001

1995 2002 2006

PG7251(FB)

NG 7FA(150MW)

NG 7FA(172MW)

NG 7FB(184MW)

IGCC 7FA(192MW)

IGCC 7FA+e

(197MW)IGCC 7FB(210+MW)

14 /

GE Energy Driving Gasification Into the Future

Advancing Technology Across Gasification Portfolio

Lower CAPEX

Lower emissions

Improved RAM

Increased efficiency

Advancements in Gasification TechnologyAllan Connolly, General Manager of Gasification Technology

October 12, 2005

GE Energy