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transcript
Coal Use for Power into the
Future and the need for Rapid
Introduction of CCS
“Sustainable Fossil Fuels for Future Energy”“Sustainable Fossil Fuels for Future Energy”
S4FE, Rome, 7 July 2009
Dr John Topper
Managing Director of IEA Clean Coal Centre
© IEA Clean Coal Centre www.iea-coal.org.uk
MEMBERS
Italy Japan
Rep. of Korea
UK
Spain
USAAustria
Canada
GermanyCEC
Australia
Poland
© IEA Clean Coal Centre www.iea-coal.org.uk
BHEL
Anglo Coal
ESKOM
Netherlands Group
BG Group
BRICC
Australia
CANZ
Eletrobras
DPG
SuekSIG
Schlumberger
Banpu
Arup
CONTENTS
• IEA’s Projections for Coal
• Coal Use Today
• Carbon Capture and Coal
© IEA Clean Coal Centre www.iea-coal.org.uk
10 000
12 000
14 000
16 000
18 000
Mto
e
Other renewables
Hydro
Nuclear
Biomass
World primary energy demand in the Reference
Scenario: this is unsustainable!this is unsustainable!IEA WEO 2008
0
2 000
4 000
6 000
8 000
10 000
1980 1990 2000 2010 2020 2030
Gas
Coal
Oil
World energy demand expands by 45% between now and 2030 – an average rate of increase
of 1.6% per year – with coal accounting for more than a third of the overall rise
Incremental primary energy demand in the
Reference Scenario, 2006-2030
IEA WEO 2008
Other Asia
E. Europe/Eurasia
Latin America
AfricaCoal
Oil
Gas
Nuclear
Hydro
Other
- 500 0 500 1 000 1 500 2 000
China
India
OECD
Middle East
Mtoe
Other
The increase in China’s energy demand to 2030 – the result of its sheer market size &
stronger economic growth prospects – dwarfs that of all other countries & regions
The continuing importance of coal in world
primary energy demand
60%
80%
100%
All other fuels
Coal
Shares of incremental energy demand
Reference Scenario, 2006 - 2030Increase in primary demand, 2000 - 2007
Mto
e
600
700
800
900
1 000
4.8%% = average annual rate of growth
IEA WEO 2008
0%
20%
40%
Non-OECD OECD
Demand for coal has been growing faster than any other energy source & is projected to
account for more than a third of incremental global energy demand to 2030
0
100
200
300
400
500
600
Coal Oil Gas Renewables Nuclear
1.6%2.6%
2.2%
0.8%
The Reference Scenario:
World coal production
5 000
6 000
7 000
8 000
Mil
lio
n t
on
ne
s o
f co
al
eq
uiv
ale
nt
Brown coal and peat
Coking coal
Steam coal
IEA WEO 2008
Steam coal, used mainly in power generation, dominates the 60% growth in global coal
production in 2006-2030, its share of output rising from 77% to 81%
0
1 000
2 000
3 000
4 000
1990 2006 2015 2030
Mil
lio
n t
on
ne
s o
f co
al
eq
uiv
ale
nt
The Reference Scenario:
Net hard-coal exports
Latin America
OECD North America
Africa
Other Asia
Russia
OECD Oceania 2006
2030
IEA WEO 2008
-300 -200 -100 0 100 200 300 400
OECD Asia
India
OECD Europe
China
Middle East
Other E. Europe/Eurasia
Latin America
Million tonnes of coal equivalent
Trade in hard coal grows by 2% per year to 2030, reaching almost 980 Mtce,
with most of the growth in exports going to China & India
The Reference Scenario:
World electricity generation
8 000
10 000
12 000
14 000
16 000
TW
h
Coal
Oil
Gas
Nuclear
Hydro
Biomass
IEA WEO 2008
0
2 000
4 000
6 000
8 000
2006 2030
Biomass
Wind
Rest of renewables
The shares of coal & renewables in the power-generation fuel mix increase to 2030
– mainly at the expense of natural gas & nuclear power
Total power generation capacity today
and in 2030 by scenario
Hydro
Nuclear
Gas
Coal 1.2 x today
1.5 x today
2.1 x today
1.8 x today
In the 450 Policy Scenario, the power sector undergoes a dramatic change – with CCS,
renewables and nuclear each playing a crucial role
0 1 000 2 000 3 000
Other renewables
Wind
Hydro
Coal and gas with CCS
GW
13.5 x today
2.1 x today
12.5 x today
15% of today’s coal & gas capacity
Today Reference Scenario 2030 450 Policy Scenario 2030
Recent Plant State-of-the-Art Conditions
G8 Case study plantsStudstrup (DK) 540/540
Maatsura 1 (J) 538/566
Esbjerg (DK) 560/560
Schwarze Pumpe (D) 547/565
Maatsura 2 (J) 593/593
Haramachi 2 (J) 600/600
Nordjylland (DK) 580/580/580
Boxberg (D) 545/581580
590
600
610
Max S
H S
team
Tem
pera
ture
, °C
⊗⊗⊗⊗Ultrasupercritical
© IEA Clean Coal Centre www.iea-coal.org.uk
Boxberg (D) 545/581
Tachibanawan 1 (J) 600/610
Avedore (DK) 580/600
Niederaussem (D) 580/600
Hekinan (J) 568/593
Isogo (J) 600/610
Torrevaldaliga (I) 600/610⊗⊗⊗⊗
Hitachinaka (J) 600/600
Huyan (China)
Genesee 3 580/570
Yunghung 566/576
530
540
550
560
570
1980 1985 1990 1995 2000 2005 2010
Year
Max S
H S
team
Tem
pera
ture
,
Supercritical
Locations for G8 case studies on Coal Plant
Genesee 3, Canada
Niederaussem K
Germany
Nordjylland 3
Denmark Wangqu, China
Younghung
S. Korea
Isogo New #1
Japan
© IEA Clean Coal Centre www.iea-coal.org.uk
Isogo New #1
Japan
Suratgarh, India
Majuba
South Africa
Natural gas fired
plant, Enfield, UK
Nordjylland 3, Denmark – highlights
• Most efficient coal-fired plant
• Operating net efficiency 47% LHV, power only mode/44.9%
HHV (not annual)
USC, tower boiler, tangential corner firing,
int. bituminous coals, cold sea water
© IEA Clean Coal Centre www.iea-coal.org.uk
HHV (not annual)
• High steam conditions 29 MPa/582°C/580°C/580°C at boiler by
early use of new materials (P91)
• Large number of feedwater heating stages
• Double reheat has prevented LP blade erosion
• Very low emissions and full waste utilisation
• NOx abatement Combustion measures and SCR
• Particulates removal ESP
• Desulphurisation Wet FGD
Niederaussem K, Germany – highlights
• Most efficient lignite-fired plant
• Operating net efficiency 43.2% LHV/37% HHV
• High steam conditions 27.5 MPa/580°C/600°C at turbine; initial
difficulties solved using 27% Cr materials in critical areas
USC, tower boiler, tangential wall firing,
lignite of 50-60% moisture, inland
© IEA Clean Coal Centre www.iea-coal.org.uk
difficulties solved using 27% Cr materials in critical areas
• Unique heat recovery arrangements with heat extraction to low
temperatures – complex feedwater circuit
• Low backpressure: 200 m cooling tower, 14.7°C condenser inlet
• Lignite drying demonstration plant being installed to process
25% of fuel feed to enable even higher efficiency
• NOx abatement Combustion measures
• Particulates removal ESP
• Desulphurisation Wet FGD
Isogo New Unit 1, Japan – highlights
• Near zero conventional emissions (NOx 20 mg/m3, sulphur oxides 6
mg/m3, particulates 1 mg/m3, at 6% O2, dry); full waste utilisation
• Highest steam conditions: 25.0 MPa/600°C/610°C at turbine: ASME
USC, tower boiler, opposed wall firing, int
bitum and Japanese coals, warm sea water
© IEA Clean Coal Centre www.iea-coal.org.uk
• Highest steam conditions: 25.0 MPa/600°C/610°C at turbine: ASME
CC 2328 steels in S/H; P122 for main steam pipework
• Operating net efficiency >42% LHV/40.6% HHV
• Efficiency tempered slightly by 21°C CW, fewer FW heating stages
• Dry regenerable activated coke FGD (ReACT)
• NOx abatement Combustion measures and SCR
• Particulates removal ESP
• Isogo New Unit 2 will use ReACT specifically for multi-pollutant
control, including mercury
Torrevaldaliga Nord – highlights
• 3 units at 660MWe = 1980MWe station
• Very low conventional emissions (NOx <100 mg/m3, sulphur oxides
<100 mg/m3, particulates 15 mg/m3, at 6% O , dry); full waste
USC, boilers supplied by Babcock Hitachi ,
using bituminous coal
© IEA Clean Coal Centre www.iea-coal.org.uk
<100 mg/m3, particulates 15 mg/m3, at 6% O2, dry); full waste
utilisation
• Highest steam conditions: 604°C/612°C at turbine: 25 MPa
• Operating net efficiency >44.7% LHV
• Wet scrubber based limestone/gypsum FGD
• NOx abatement SCR
• Particulates removal Bag filters
• New sea port for coal delivery
• Solids handling all enclosed
E On 50% efficient plant
… 50 plus by using new materials
Location
Efficiency
Capacity
Wilhelmshaven
50 %
500 MWe
© IEA Clean Coal Centre www.iea-coal.org.uk
Investment
Start of operation
1 billion €
2014
Size of plant Search for location
2007
Material developmentRequest for proposal
2010
ConstructionStart of operation
2014
Coal use in China, India and South Africa
Subcrit PCC
SC/USC PCC
FBC IGCC
China X X X X
India X (X) X X
South X (X)
Power generation: •Shanghai, 900 MW SC units
•Fuyang Huaren, 660 MW SC units
© IEA Clean Coal Centre www.iea-coal.org.uk
South
Africa
X (X)
Sipat power plant, India
Lagisza Supercritical CFBC – new design
• The world’s first CFBC
unit with supercritical
steam conditions
• Largest CFBC; 460 MWe
• Start-up in 2009
© IEA Clean Coal Centre www.iea-coal.org.uk
• Start-up in 2009
• Emissions of SOx, NOx
and particulates lower
than required by latest
EU LCPD limits.
• Located to NE of
Katowice, Poland
Carbon capture and storage
CaptureTransport
Three Options;
• Post-combustion
• Pre-combustion
• Oxyfuel Two Options;
• Pipelines
• Ships
Three Options;
• Coal seams, 40 Gt CO2
• Oil and gas fields, 1,000
Gt CO2
• Deep saline aquifers – up
to 10,000 Gt CO2
© IEA Clean Coal Centre www.iea-coal.org.uk
CaptureTransport
Storage
Italian CCS activities – Oxy-fuel combustion –
CCS2, Brindisi
Pilot plant• Pressurised oxy-fuel technology
• Test programme (3 and 5 MWth
test facilities)
Demonstration plant
ENEL-Livorno
Demonstration plant
• Full scale combustor(48 MWth) combustion tests at
Brindisi
• Commercial operations 2011
• Data used for 35-70 MWe PCC-based
zero emissions oxy-coal power plant
(2012)
Courtesy ENEL
ITEA –Gioia del Colle
Brindisidemo
China’s 1st Post Combustion CO2 Capture Pilot Plant
The design parameters
are:
� Flue gas flow to unit
2000-3000 Nm3/h
� Steam consumption
© IEA Clean Coal Centre www.iea-coal.org.uk
� Steam consumption
3GJ/tonne CO2
� Solvent consumption <
1.35 kg/tonne CO2
� Owners: Huaneng
� CSIRO assisted
Italian CCS activities
Post-combustion CO2 capture – CCS1, Brindisi
Pilot plant• MEA scrubber
• 2.5 t/h CO2 (5 kt/y) capture• Completed December 2008
• Startup 2009• 4 year programme
• ENI will inject CO2 (24 kt total)
into depleted Stogit gas field
Demo plant
• Retrofit of SC PCC unit at Porto
Tolle• CO2 storage (up to 1 Mt/y) from
2015
• Deep saline aquifer beneath
North Adriatic Sea• Detailed feasibility underway
Courtesy ENEL
Development of IGCC by RWE Power
RWE Power will develop a zero-CO2 lignite-fired IGCC in
Germany
© IEA Clean Coal Centre www.iea-coal.org.uk
RWE Power will develop a zero-CO2 lignite-fired IGCC in
Germany
Plant will be commissioned with CO2 transport and storage
if market and regulatory conditions are appropriate
– Capacity: 450 MWgross, 360 MWnet
– Net efficiency (target): 40%
– CO2 storage: 2.6 million tonnes per year in depleted
Gas reservoir or saline aquifer
– Commissioning: 2014
Green Gen – The first Chinese IGCC
© IEA Clean Coal Centre www.iea-coal.org.uk
Near Tiajin, southeast of Beijing. The first phase of GreenGen is
expected on line in 2009, generating 250MWe, expanding to 650
megawatts in later phases.