DoosanCO2 Capture Ready

CO2 Capture Ready Plant for IndiaAn Update

Mr R PadmanabhanChennai, India

Delhi 21 January 2008

Company update

Our new name - Doosan Babcock Energy LimitedDoosan Babcock Energy Limited, Subsidiary of Doosan Heavy Industries of South Korea, and part of the Doosan

Group the oldest and one of the top 10 conglomerates in Korea US$13bn turnover company (2006)

Market leader in gas, coal, nuclear power generation and desalination. e.g. SIPAT, 3 x 660MWe and Mundra, 5 x 800MWe

Our commitment is to all forms of power generation, including clean coal, nuclear, gas and renewables

The Doosan Groups Centre of Excellence and global R&D base for Boilers and CO2 capture which includes our India organisation

Nuclear Thermal Turbine & Generator

Desalination Casting & Forging Construction

In one year - How things have changed for coal and gas

14th Sept 07, Hans Stehr, chairman of UN CDM Exec Board:``Fossil fuel will remain a big part of the world's energy mix for decades to come,... essential we burn that fuel as efficiently as possible.''

World Wide Recognition: These plants will operate for 40- 50 years; So they need to be built Capture Ready- TODAY to avoid carbon lock-in

EU Agrees: renewables and energy efficiency, whilst vital, are not enough Coal has a huge role in the new EU Energy Policy New Plant to be capture ready from 2010, 10-12 demonstrations of CCS operational by 2015, CCS in operation from 2020,

Gas has its issues Price instability. Security of supply. Gas is also a CO2 emitter, will need CCS

for deep cuts

So coal projects beginning to be

developed which are Capture Ready

Comparison of Carbon Capture options for Coal power plant

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Amine Oxy Combustion IGCC

Amine Oxyfuel IGCC

Amine Oxyfuel IGCC

Cost of Electricity (Eurocents/kwh)

Specific Investment costs (Euro/kw)

From joint paper with Jacobs at Powergen 2006

1400-1800 Euro/kwfor New build, 800 Euro/kwfor Retrofit

5 -6.2 Euro/kwhfor New build,

New Coal Fired Plants planned in the UK

Section 36 applied for 11/12/062012

New build ASC (Capture Ready) 2 x 800MW KingsnorthE.ON

FEED study well advanced2011

1 or 2 x 500MW ASC Retrofit(Capture Ready)FerrybridgeSSE

PF Oxyfuel (All are retrofits at the moment)

PF - Post Combustion

IGCC

Feasibility study announced 17/05/07

2012 onwards

ASC Retrofit (Capture ready), up to 3390MW

Longannet and CockenzieScottish Power

Scoping Report submitted 13/3/072013/14

New build ASC (Capture Ready) 1600MWTilburyRWE npower

Scoping Report submitted 11/05/072014

New build ASC (Capture ready) 3x800 MWBlytheRWE npower

FEED study started2011800 MW IGCC with CCSTeessideCentrica

Internal feasibility study underway2012450-500MW IGCC with CCSKillingholmeE.ON

Section 36 consent. FEED study starting20112 x 430MW IGCC with CaptureHatfieldPowerfuel

StatusStart up DateSize/TechnologyProject

Ferrybridge ASR Retrofit Oxyfuel Capture ready

A future proofed Advanced Supercritical Retrofit to Ferrybridge Power Station Oxyfuel capture ready.

Ferrybridge Retrofit Specifics Present Boiler

Subcritical boiler

4 x 500MWe units

Ordered 1961, commissioned mid/late 60s

Steam Conditions:160 bar,565oC/ 565oC

Ferrybridge - Supercritical Boiler Retrofit with Oxyfuel Capture Ready

507 MWe (gross) 476MWe (net) /unit, 290 bar/ 6000C / 6100C BMCR steam flow 1,380 Te/hr Bituminous coal with up to 25% Biomass BOFA system New boiler within existing boiler house Re-use of much BOP equipment,

new SCR and FGD POSIFLOWTM low mass flux furnace

Ferrybridge ASR Capture Ready Application - Summary

Currently sub-critical operation with cycle efficiency 36.7%

With SCR and FGD, new cycle efficiency 44.7% 22% increase in overall efficiency, despite SCR/FGD penalty

CO2 reduction (with load factor of 70%) is 483,500tes/yr 18% reduction in CO2 emissions

Status of design : No technical showstoppers

ASR boiler fits easily within existing structure

Turbine layout compatible with existing foundations

Anticipated costs within budget

What does it take to be CCS ready?

Furnace thermal performance to suit oxyfuel/air coal combustion

Boiler performance considerations

Oxy-fuel burners would fit in the same space as regular burner without need for major pressure part modification

Flue gas recycle consideration in boiler design

Boiler Layout consideration for interfacing equipment

Boiler sealing against tramp air ingress

What will a Supercritical Retrofit involve at Longannet & Cockenzie?

Replacement of boiler pressure parts, within boilerhouse envelope

Lighter boiler weight means re-use of existing primary structure

Replacement of HP and IP turbine, modified LP turbine

Replacement of all steam and feed water piping

New feed pumps and feed heating system

New DCS system (if not already installed)

Re use of bulk of ancillary equipment

New SCR plant New FGD plant (if not already

installed)

600 MWe units similar to Ferrybridge ASR & CCS ready

Advanced Supercritical Retrofit (ASR)

POSIFLOWTM Boiler Retrofit Process demonstrated at Yaomeng, China in 2002

Retrofit of Chinese designed sub-critical 300MWe boiler. Flaws in its design meant it had a low availability due to overheating Retrofitted with Doosan Babcock POSIFLOWTM boiler Order received Dec 07 for similar conversion of a 2nd boiler

Technology could be applied to existing 200/210/250 MWe Indian boilers subject to full technical evaluation

There is a minimum size of unit below which the technology cannot be applied

Indian 200/210/250MWe boilers are borderline requires a feasibility study to fully evaluate

Carbon Capture by Oxyfuel firing on Pulverised Coal Plant

Figure courtesy of Vattenfall

Pilot scale tests by Doosan Babcock Energy 1996

- IEA studies completed

- EU project ENCAP underway

- EON 1MW rig now operational, confirmed DBE results

- DTI funded collaborative R&D projects in progress (Doosan Babcock Energy, EON, RWE, Air Products )

- Vattenfall 30MW demonstration plant being built , and similar projects at Lacq and Callide

- Full scale 40 MW burner test planned by Doosan Babcock in 2008/9

Carbon Capture by Oxyfuel firing on Pulverised Coal Plant

To develop a competitive Oxyfuel technology suitable for full scale application 2010.

A staged approach through the development and demonstration of Oxyfuel technology:-

- Stage 1 : Fundamentals and System Design

- Stage 2 : Modified Design Tools and Component Testing

- Stage 3 : Reference Designs

Doosan Babcock Oxyfuel Burner development program

Three Stage Development Programme

2005 2006 2007 2008 2009 2010

Stage 1Stage 2Stage 3

Multi Fuel Burner Test Facility (MBTF)

commissioned in Renfrew in 1999

conversion to Oxyfuel under the UK OXYCOAL collaborative project.

7m ($14m) funding now in place.

Stage 2 will involve conversion of the test facility to OXYCOAL firing

Demonstration of a full utility sized Oxyfuel PF combustion,

The first full-scale test of Oxyfuel firing in the world

Doosan Babcock burner test facility to be converted to Oxycoal firing

Carbon Capture Ready - Oxyfuel

Space for Air Separation Unit

Space for CO2 cleaning and compression

Space for CO2 recycle ducts

FGD may be needed for some coals

Feasible CO2 pipeline route to a storage area

Main Considerations:

Site Layout - Capture Plant Space Requirements

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70m 70m

1 x ASC BT Oxyfuel Unit:- 2 x ASU trains : 80 m x 140 m- CO2 Compression : 80 m x 15 m- Maximum Height : 68 m

CW Tower Pond Dia ~90mCW Tower Height ~110m

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1 x ASC BT Amine Unit:- 2 x DCC- 2 x Fans / Blowers- 2 x CO2 Absorber Towers (12.5m Dia x

45m Height)- 1 x CO2 Stripper Tower (10m Dia.)

- CO2 Compression : 40 m x 15m approx

15m

DCC &ABSORBER 2

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Key Messages

Work to date has demonstrated that ASC Retrofits, designed to beCapture Ready are available options today subject to initial feasibility study of each plant.

Indian coals, with high ash and low reactivity, are well suited to Oxyfuel firing than either Amine scrubbing or IGCC.

A CCS Indian-based demonstration, involving oxyfuel firing, should be a high priority

Feasibility study of Indian 200/210/250MWe units urgently needed

EU expertise and capital, combined with Indian skills and availability of utility plant in desperate need of renovation provides an

Ideal Opportunity for EU-Indo Co-operation & International Leadership

Thank you for your attention

[email protected]

Doosan Babcock is committed to development and global implementation of

cleaner power plants - clean coal, clean gas, nuclear and renewables as rapidly as

the market allows

Our Commitment to the Industry

Carbon Dioxide Capture Technologies

IEA, EU projects underway

- Requires scale up ( factor of 10)

- 300 MW planned by MHI

- Collaborative DTI project in negotiation

- Technology likely to be available for 2010 / 12 implementation

Large Scale CO2 Capture Plant

Post-combustion Carbon Capture - Amine Scrubbing on Pulverised Coal Plant

Documents

DoosanCO2 Capture Ready