the challenges to the deployment of ccs in the energy intensive
TRANSCRIPT
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The Challenges to the Deployment of CCS in the Energy Intensive IndustriesCCS in the Energy Intensive Industries
(Part 1: General Overview)
Stanley SantosIEA Greenhouse Gas R&D Programme
Cheltenham, UK
Instituto de Inginieria UNAM29th March 2012
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Introduction
WHY WE NEED CO2 CAPTURE AND STORAGE IN THE
Introduction
AND STORAGE IN THE INDUSTRIAL SECTOR
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CCS in ETP-2010C t ib ti t E i i S iContribution to Emissions Savings
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CCS in ETP-2010C t ib ti t E i i S iContribution to Emissions Savings
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World Energy Use by Industrial Sector (Hi t i D t )(Historic Data)
Five most energy intensive sectors are the steel, cement, chemicals & oil refineries, pulp and paper, aluminium accounts for 77% of the total energy use from industryfrom industry
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Direct CO2 Emissions from Industrial S (2007 d t )Sources (2007 data)• Steel, Cement and
Chemical Industries accounts for nearly 70% of the Direct CO2Emissions.
Th i i• These emissions are not only from combustion of fossil fuel related CO2emissions but also to include PROCESS RELATED CO2EMISSIONS
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Remarks on the ETP-2010 FindingsRemarks on the ETP 2010 Findings• It could be concluded from the IEA Energy gy
Technology Perspective 2010 that CCS is an important part to the reduction of CO2 fromimportant part to the reduction of CO2 from the industrial sector.T h l i t b th l i• Technology is may not be the only main barrier to the deployment of CCS in the industrial sector.
• Market competitiveness and global nature of• Market competitiveness and global nature of some of these industries is an important i th t h ld b dd d
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issues that should be addressed.
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Outline of PresentationOutline of Presentation• Iron and Steel Sector
• Industry Overview• ULCOS Programme (European)• Course 50 Programme (Japanese)• Posco RIST (South Korea)
• Oil Refining Sector• Industry Overviewy• Results of CONCAWE Study
• Cement and Lime Industrial SectorCement and Lime Industrial Sector• Industry Overview• ECRA Programme
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ECRA Programme• Concluding Remarks
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The Challenges to the Deployment of CCS in the Energy Intensive IndustriesCCS in the Energy Intensive Industries
(Part 2: Iron and Steel Sector)
Stanley SantosIEA Greenhouse Gas R&D Programme
Cheltenham, UK
Instituto de Inginieria UNAM29th March 2012
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1st Blast Furnace in Mexico (Picture Courtesy of AHMSA)
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Overview to the Integrated Steel Mill
CHALLENGES OF DEPLOYING CCS IN AN INTEGRATED STEEL
Overview to the Integrated Steel Mill
CCS IN AN INTEGRATED STEEL MILL
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An integrated steel mill is composed by numerous facilitiesFrom iron ore to steel products
4 Blast furnaces2 coking plant batts
coal
From iron ore to steel products
oressinter plant
5 BOF
3 ti li h t t i lli 3 cold strip rolling
2 continuous annealing
hot metal
crude steelscrap + additives
3 casting line + hot strip rollingor continuous casting line 3 pickling
3 cold strip rolling
3 batch annealingskin pass rolling
ZnslabZn
2 cold rollingfinishing shop1 heavy plate mill
3 hot stripfinishing shop
4 hot-dip coating line
3 coating lineslab
line
heavy plate hot strip coated / organic coated sheets
uncoated sheets
electrolytic coated sheets
ThyssenKrupp Steel Europe
Workshop CCS IEAGHG / VDEh8. - 9. NovemberProf. Dr. Gunnar Still12
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AHMSA - Steel Works OverviewAHMSA Steel Works Overview Sinter Plant
Pellet Plant
Coke Plant
Sinter PlantCold Rolling Mill
Hot Metal Production ContinuousLiquid Steel
Production
Continuous Casting
Hot Rolling Mill
Product Line:Plate
Hot RolledCold Rolled
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Tin PlatedChrome PlatedStructural SteelPower Plant Oxygen Plant Lime Kiln Reheating Furnace
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First Challenge...First Challenge...
There are no steel mill in this orld hich• There are no steel mill in this world which are alike...• Steel are produced with different processes• Steel are produced with different type of finishedSteel are produced with different type of finished
or semi-finished products• Steel are produced with different grades• Steel are produced with different grades• ...
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ThyssenKrupp Steel Europe – Main CO2-Emitters (schematically)
x% CO2-emissionsAbsolut Part /t CO2
(schematically)up to 20 mio t CO2 p.a.
CO2CO2CO2
30% 48%11%y%
Absolut Part /t-CO2
CO2-source% Carbon Input
2 Coke Plant Batt 4 Blast Furnaces6 Power PlantsCoke
2
0,1%74%Coal
CO2CO2
externalBF Top Gas
~2% ~9%74%4%
Carbon in liquid phase
Coal-injection
3 Hot Rolling, 3 Cold Rolling,div. Annealing
etc.2 BOF ShopsCoal
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1%9%
liquid phase
etc.
<0-1%
1%9%
BOFgasCokeovengas
ThyssenKrupp Steel Europe
Workshop CCS IEAGHG / VDEh8. - 9. NovemberProf. Dr. Gunnar Still15
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2nd and 3rd Challenges...2nd and 3rd Challenges...
• There are no steel mill hich are alike• There are no steel mill which are alike...• Emissions from the Integrated Steel Mills g
comes from multiple sources.• The source of CO2 may not be the emitter• The source of CO2 may not be the emitter
of the CO2.• Strongly dependent on how you define Boundary
Limit• In addition to the direct use of fossil fuels, the
emissions is also strongly dependent on the
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g y pmanagement of the use of By-Product Gases
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4th Challenge...BF Technology is already near theBF Technology is already near the Theoretical Limit of Efficiency
475 kg/t HM
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Essential to CCS DeploymentEssential to CCS Deployment• Accounting of CO2 Emissions that could be g
comparable is an Essential Activity for Deployment of CO2 Capture Technology in the Iron and Steel p gySector.
• Accounting of CO2 Emissions should be based on aAccounting of CO2 Emissions should be based on a globally consistent methodology that will allow production normalised CO2 emission comparableproduction normalised CO2 emission comparable between regions that are not possible today.
• This should result to a better benchmarking• This should result to a better benchmarking –therefore providing a meaningful number for CO2
Avoidance Cost
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Avoidance Cost.
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ThyssenKrupp Steel Europe –M i CO E itt ( h ti ll )
x% CO2-emissionsAbsolut Part /t CO2
Main CO2-Emitters (schematically)up to 20 mio t CO2 p.a.
CO2CO2CO2
30% 48%11%y%
Absolut Part /t-CO2
CO2-source% Carbon Input
2 Coke Plant Batt 4 Blast Furnaces6 Power PlantsCoke
2
0,1%74%Coal
CO2CO2
externalBF Top Gas
~2% ~9%74%4%
Carbon in liquid phase
Coal-injection
3 Hot Rolling, 3 Cold Rolling,div. Annealing
etc.2 BOF ShopsCoal
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1%9%
liquid phase
etc.
<0-1%
1%9%
BOFgasCokeovengas
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Challenges & Opportunities of CCS in the Iron & Steel Industry, IEA-GHG, Düsseldorf, 8-9 November 2011
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Steel, CO2 mitigation, CCS and ULCOSULCOS
UUltra-LLow COCO2 SSteelmaking
Jean-Pierre BIRAT, Jean Borlée, ArcelorMittal
Challenges & Opportunities of CCS in the Iron & Steel Industry
Düsseldorf 8-9 November 2011Challenges & Opportunities of CCS in the Iron & Steel Industry, IEA-GHG, Düsseldorf, 8-9 November
201122
Düsseldorf, 8-9 November 2011
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The 4 process routes
Coal & sustainable biomass Natural gas Electricity
Revamped BF Greenfield Revamped DR Greenfield
ULCOS-BF HIsarna ULCORED ULCOWINULCOLYSIS
Pilot tests (1.5 t/h) Demonstration
Pilot plant (8 t/h) start-up 2010
Pilot plant (1 t/h) to be erected in 2013?
Laboratory
under way
Challenges & Opportunities of CCS in the Iron & Steel Industry, IEA-GHG, Düsseldorf, 8-9 November 2011
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Japanese “Course 50 Programme”
(1) Technologies to reduce CO2 emissions from blast furnace (2) Technologies for CO2 capture
・Chemical absorptionReduction of coke Chemical absorptioneduct o o co eIron ore
H2 amplificationCoke BFG
Sh ft f
・Physical adsorption
CO-rich gasCO2 storage t h l
Coke production technology for BF hydrogen reduction
High strength & high reactivity coke
Coking plant BF
Shaft furnaceRegeneration
Tower
Reboiler
technology COG reformer
H2
Absorption Tower
Iron ore pre-reduction
technology Coke substitution reducing agent production technology CO2 capture for BF hydrogen reduction
Reaction control technology Other project
Steam Cold air
Hot air Sensible heat recovery from slag (example) Waste heat recovery boiler
KalinaSlag
reducing agent production technology ptechnology
for BF hydrogen reduction Other project
COURSE50 / CO Ultimate Reduction in Steelmaking Process by Innovative Technology for
BOF
Electricity
Hot metal
Kalina cycle
Power generation Technology for utilization of unused waste heat
Challenges & Opportunities of CCS in the Iron & Steel Industry, IEA-GHG, Düsseldorf, 8-9 November 2011
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COURSE50 / CO2 Ultimate Reduction in Steelmaking Process by Innovative Technology for Cool Earth 50
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Ideas/Projects for CO2 ReductionBFG
Iron-making: melting/reduction
91%
Hot Milling4%
Cold Milling 3%
Steel-making 1%
Power Plant
BFG
(1)
Research Scope
CO2Emissions
(2)
Coal Cokes
COCO2
Hydrocarbons
(3)
Coal Cokes
Iron OreSinter Process (2) CO
(1) CO2 Capture from BFG stream using aqueous ammonia(2) Waste heat recovery from molten slag and hot sinter
Research Activities of CO2 Project in RIST
(3) CO2 utilization
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2nd Stage pilot plant
Operation of 2nd stage pilot plant (May. 2011~)Development of CO2 capture process for commercialization using aqueous ammonia in iron & steelmaking In
Utilizing the waste heats at low and mid-temperature waste heat as regeneration energyUtilizing the waste heats at low and mid temperature waste heat as regeneration energy
Ultimate goal: CO2 removal > 90%, CO2 purity > 95%, energy requirement < 2.0 GJ/ton-CO2
absorberabsorber Dimensions
stripper
absorber
stripper
: Absorber- D 1.4m, H 27m
: Stripper- D 0.9m, H 20.6m
33mconcentratorconcentrator
: Concentrator- D 0.5m, H 11.7m
Capacities1000 N 3 BFG/h: 1000 Nm3-BFG/hr
as 0.5 MW(CO2 conc: 20~25%)
17m 19m26
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The Challenges to the Deployment of CCS in the Energy Intensive IndustriesS in the Energy Intensive Industries
(Part 3: Cement Industry Sector)
Stanley SantosyIEA Greenhouse Gas R&D Programme
Cheltenham, UK
Instituto de Inginieria UNAM
29th March 201229th March 2012
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Cement ProductionCement ProductionFlue gas
Raw meal (limestone etc)
Mill and drierPreheaters (multiple stages)
Hot gas
PrecalcinerFuel
g
CaCO3 → CaO + CO2
FuelAdditives 900°C
Clinker
Rotary kilne.g. CaO + SiO2 →calcium silicates
Cement
Additives1350°C
900 C
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ClinkerCementMill Cooler
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Rotary KilnsRotary Kilns
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Pre-CalcinersPre Calciners
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Pre-combustion CapturePre combustion Capture
• Not a good option for cement plants• Not a good option for cement plants• Almost two thirds of the CO2 emissions
are from limestone calcination• Pre combustion capture would only• Pre-combustion capture would only
capture the fuel-derived CO2 • Not evaluated in IEA GHG’s study
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Post-Combustion Capture at a C t Pl tCement Plant
Air
Fuel
C t SolventESP SCR
Air
CO2-reduced flue gasR
24% COCement
plant Solvent
scrubbingESP, SCR,
FGD flue gasRaw
mealCO2
CHP plant SteamCoalClinker
Solvent
CO toPower
pstripping
CO2 to storage
Power
CO2compression
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Post Combustion Capture in Cement Kiln(Pi t C t f ECRA)(Picture Courtesy of ECRA)
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Post-combustion CapturePost combustion Capture
• Advantages for cement plants• The cement plant itself is unaffected
o But more stringent flue gas cleaning may be neededo But more stringent flue gas cleaning may be needed• Retrofit to existing plants is possible
o Provided space is available and CO2 can beo Provided space is available and CO2 can be transported away from the site for storage
• Disadvantages• Disadvantages • A large quantity of low pressure steam is needed
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for solvent stripping, requiring an on-site CHP plant
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Oxy-Combustion at a Cement Pl tPlant
FlueFuel
R
FuelFlue gas
H tClinkerRaw
Mill Precalciner
Raw meal Preheater 1 Kiln
Hot gas
Air
Preheater 2
Air
P ifi ti /Oxygen
CO
Recycled flue gas
V t
Purification/ compression
Air separation
CO2Air
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Vent gas IEA Greenhouse Gas study was based on oxy-combustion in just the pre-calciner
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Oxyfuel Combustion Capture in Cement Kiln(Pi t C t f ECRA)(Picture Courtesy of ECRA)
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Oxy-combustion CaptureOxy combustion Capture • Advantages for cement plantsg p
• Low oxygen consumptiono Compared to a coal fired boiler, 1/3 of the amount of O2 is needed per
tonne of CO2 capturedtonne of CO2 captured • Costs are expected to be relatively low
• DisadvantagesDisadvantages• Retrofit would be difficult • Oxy-firing the pre-calciner captures only about 60% of the CO2 • For full oxy-firing, air in-leakage in mills and the kiln would have to be
greatly reduced• Impacts of full oxy firing on kiln chemistry etc need investigating• Impacts of full oxy-firing on kiln chemistry etc need investigating• More R&D is needed
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Costs of CO2 CaptureCosts of CO2 Capture • Costs estimated for a 1Mt/y cement plant in N-W Europe• Post combustion capture
• €107/t of CO2 emissions avoidedC ld b d d t €55/t b l ti t l t t t• Could be reduced to €55/t by locating a cement plant next to a power plant and using a low sulphur raw meal
• Alternative CO2 capture solvents could significantly reduce costsp g y
• Oxy-combustion• €40/t CO2 emissions avoided
• Cement plants would need to be close to other CO2 sources to minimise CO2 transport costs• CO2 captured is 0.5-1.0 Mt/y• Equivalent to about 100-200 MWe coal fired power plant
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Costs – Developing Countries • Most cement production is in developing
countries• Almost 50% in China alone
• New cement plants are often larger in p gdeveloping countries and construction costs are lower
• Sensitivity case: 3Mt/y cement plant in Asia • Costs of CO2 abatement would be lower2• e.g. €23/t for oxy-combustion
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ConclusionsConclusions • CO2 could be captured at cement plants• Post-combustion capture is the lowest risk option and
is well suited to retrofit but costs are relatively high• O b ti ld h i il t t CO• Oxy-combustion would have similar costs to CO2
capture at large power plants• Most cement production is in developing countries• Most cement production is in developing countries• Abatement costs would be lower in developing
countriescountries• Imports of cement from countries without CO2
abatement requirements is a concernabatement requirements is a concern
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The Challenges to the Deployment of CCS in the Energy Intensive IndustriesCCS in the Energy Intensive Industries
(Part 4: Oil Refining Sector)
Stanley SantosIEA Greenhouse Gas R&D Programme
Cheltenham, UK
Instituto de Inginieria UNAM29th March 2012
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AcknoledgementAcknoledgement
• This presentation is based on st d done• This presentation is based on study done by CONCAWE.
• Outline of Presentation• Outline of Presentation• Oil Refining Sector Overview• CO2 Point Sources from Oil Refineries• Capture Technology Overview – Post p gy
Combustion Capture (“End of Pipe Capture”)• Major Utilities Changes
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Major Utilities Changes
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Demand and Supply of Crude Oil(St i ht C t f CDU)(Straight Cut from CDU)
48Data from CONCAWE 2011
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Quality RequirementsQuality Requirements
Data from CONCAWE 2011
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Quality RequirementsQuality Requirements
Data from CONCAWE 2011
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Feedstock VariationFeedstock Variation
Data from Valero 2010
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Complex Refineries Required t M t D d f th P d tto Meet Demand of the Product
52Data from CONCAWE 2011
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Deployment of CCS in Oil R fi i S tRefining Sector...• Sho ld e pect to ha e similar challenges• Should expect to have similar challenges
like that of the integrated steel mill.• Oil Refinery has high level of integration more
complex than integrated steel millp g• Fuel/energy required by the complex refinery is
met by using the used of by-product gases ormet by using the used of by product gases or low quality liquid fuel, and balanced by using natural gas or other external fuel.natural gas or other external fuel.
• No oil refineries are alike...• Benchmarking is necessary
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• Benchmarking is necessary...
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Difference between Simple vs C l R fi iComplex Refineries
58Data from CONCAWE 2011
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Identifying the Future Growth of CO2
E i i f th Oil R fi iEmissions of the Oil Refineries
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Data from CONCAWE 2011
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Distribution of CO2 Emission Point S f C l R fi iSources of Complex Refineries
60Data from CONCAWE 2011
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Incorporating Post-Combustion C t t R fi iCapture to Refineries• Much more complex than Power Generation IndustryMuch more complex than Power Generation Industry
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Distribution of CO2 Emissions for R fi i ith CO C tRefineries with CO2 Capture
62Data from CONCAWE 2011
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ChallengesChallenges
• Variation of Refiner Capacit and le el of• Variation of Refinery Capacity and level of Complexity should also lead to variation of overall CO2 emissions from oil refineries – i.e. In Europe it varies from p0.4 Mtpy to 5.5 Mtpy CO2.
• Diverse point sources of CO2• Diverse point sources of CO2
• Wide ranging percentage/concentration of CO2 from different sources
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Additional Requirements for C t i CO f R fi iCapturing CO2 from Refineries• Same Techno-Economic Methodology
developed for the I&S study applies with p y ppoil refining sector
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Data from CONCAWE 2011