Technologies for Energy Production and Utilization in a Carbon Constrained World
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Transcript of Technologies for Energy Production and Utilization in a Carbon Constrained World
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Technologies for Energy
Production and Utilization in a
Carbon Constrained
World
Rodney Andrews, PhD PEDirector
Center for Applied Energy ResearchUniversity of Kentucky
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gy C
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WorldPopulation
Population of Developed Countries
World EnergyConsumption
19501900
10
YearSource: USDOE
World Energy UseGrowing Dramatically with Population
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1,000 10,000 100,000 1,000,000 10,000,000
Affluence
Poverty
Annual Commercial Energy Consumption per Capita (kWh / person)
GD
P pe
r Cap
ita ($
/ yr
/ pe
rson
) Japan
BangladeshChina
Poland
MexicoSouth Korea
UK
France U.S.
Source: USDOE
Universal Need for Affordable Energy
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CARBON CONSTRAINTS
The world is getting smaller, and fossil energy is a bigger target
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AEO 2008
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Annual Energy Outlook 2009
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International Energy Outlook 2009
World Energy-related Carbon Dioxide Emissions
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Energy in Kentucky• 92% of Ky electricity from coal• Ky is 1.4% of US population
– Produces 2.3% of US Electricity• Ky uses 2% of US Energy
– 1.7% Residential • 40% electric home heat
vs 30% national average.– 2.7% Industrial– 1.4% Commercial– 3.7% Carbon Dioxide
EIA, Oct 15, 2009
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CARBON MANAGEMENT
Can technology keep up with political reality?
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Technology and InnovationCan Lead to Reductions in Carbon Emissions
FuelSwitching
ImproveEfficiency
Demand Side
Supply Side
Natural Gas
Nuclear
SequesterCarbon
ReducePopulation
ReduceGDP
Capture &Storage
EnhanceNatural SinksRenewables
Photo art: A. Benlow
Utilization or Conversion???
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Reductions in Carbon EmissionsBy Adoption of New Power Generation Technologies
0 25 50 75 100
PC (2000)
IGCC (2000)
PC (2010) Coal
Gen
erat
ion
Tech
nolo
gy
NGCC (2010)
NGCC (2000) Gas
IGCC (2010)
Percent Reduction in CO2 Emissions(Relative to Average PC Plant in 1999)
Source: NETL, Scott Klara
All Technologies with Sequestration
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Fuel Switching: Not a Simple Solution
• Biofuels present new challenges– Monoculture, transportation, fossil infrastructure
• Natural gas could become single fuel option• Heat, electricity, chemicals and food
• Nuclear has unfortunate legacy• Solar is yet to be realized• Fossil energy is not going away soon
– How do we extract with as little impact as possible– How do we return to beneficial state– How do we deal with emissions and wastes
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Utility Asset Matrix – Aging Units Across Kentucky
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CARBON CAPTURE FROM FOSSIL FUEL POWER PLANTS
Algae Farm
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CO2 Capture from Electricity Generation
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Lowering the Energy Penalty of CO2 Capture
• Post-Combustion Capture: PC + MEA (28-34%)– Steam consumption for stripper: 20% of gross power output– Booster fan and agent pump for MEA scrubber: 3-4% of gross power output
• Pre-combustion Capture: IGCC (total 15-24%) – ASU + oxygen compression: 8-12% of gross power output– Selexol CO2 separation: 2% of gross power output
• In-situ Capture: Oxy-Fuel Combustion (total 22-32%)– ASU: 15-20% of gross power output– Flue gas recirculation: 2% of gross power output– Possible CO2 further enrichment (unknown)
** Compression Train: 5-10% of gross power output
Cost Related to CCSCapture: 60%Transport: 20%Injection &Storage: 20%
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Current Status of IGCC• Mature technology for gasifier • New wave pushed by GE, Shell and ConocoPhillips• OEMs teamed with engineering companies to wrap• RD&D
– New catalyst/shift-reactor process to reduce H2O/CO ratio– Membrane separation– Sorbent development– Process integration– Oxygen production
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Current Status of Scrubbing• Amine: commercial-implementation on NG, food and chemical production
– Kerr-McGee/ABB Lummus Crest Process– Fluor Daniel ECONAMINE FG Process– MHI’s KM-CDR process with KS solvent– Ongoing RD&D for utility flue gas
• University of Texas at Austin• European Union integrated project “CO2 from Capture to Storage” (CASTOR)• International Test Center (ITC) at University of Regina, Canada• MHI• UK CAER
• Ammonia: Commercial for fertilizer production– Ongoing RD&D for Utility’s flue gas
• Alstom/EPRI 5MWth pilot plant at WE Energy - Pleasant Prairie Plant• Powerspan/NETL 1MWth slipstream at FirstEnergy’s Burger station• UK CAER/E-ON US 0.1MWth pilot plant
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UNIVERSITY OF KENTUCKY PROGRAMS ON CARBON MANAGEMENT AND STORAGE
New technologies are necessary if Kentucky wants to compete in this new world.
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CAER’s Post-combustion CO2 Capture Pilot Plant
•Initiated by EON-US•$1.5 million grant
•0.1 MW(th) Pilot Scrubber System•Largest at a university
•Platform for testing –New chemistries–New scrubber designs
•Focus on lower energy penalty–Estimates of 60% cost increase–1/3 power output of plant
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Carbon Management Research Group• State-UK-Industry consortium• Build on E.ON US investment in carbon management
and emissions control• Develop more energy and cost effective carbon
management technologies• Address specific materials, controls and waste
management solutions• Allow early adoption of technologies by Kentucky’s
electric utilities• $1 Million/yr match provided by State• AEP/KP, Duke, EKPC, EON-US, EPRI
– negotiating with others.
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DEVELOPMENT OF AN ALGAE SYSTEM FOR MITIGATION OF CO2 FROM COAL-FIRED POWER PLANTSCenter for Applied Energy ResearchBiosystems and Agricultural Engineering
KY Department of Energy Development and Independence$3.5 million / 3 years EON has agreed to host demonstration phase
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Algae for Carbon Capture • Uses CO2 as feedstock
– Improved CO2 footprint for coal
• Robust and easily produced• High solar efficiency• May have a high oil (lipid) content
– As high as 65% by mass (dry)– Converts to biodiesel
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Media
Drying
Dewatering
Coal Power Plant
Biomass Fractionation
ProteinsCarbohydrates
Lipids
CO2 Lean Gas
Recovered Nutrients (N,P,K)
Recovered Media
Recovered Water
Algae Cultivation
Overall Process
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Algae Scrubber Demo
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http://www.caer.uky.edu/greenhouse/home.shtml
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KENTUCKY GEOLOGICAL SURVEY CARBON SEQUESTRATION RESEARCH
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Carbon Sequestration Research
Western KY Seq.
State*$1.35 M
Industry$6.0 M**
Other$0.5 M
TOTAL$ 7.85M
Eastern KY Seq.
$1.35 M $1.35 M $0.5 M $3.2 M
EOR $0.85 M $0.85 M $0.5 M $2.20 M
EGR $0.85 M $4.90 M
$0.85 M $0.5 M $2.20 M15.45 M
*UK is cost sharing their F & A indirect costs of about $1.0 million
**EON US, Peabody, ConocoPhillips, TVA
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W Ky. Deep CO2 Injection Well Summary
• KGS #1 Blan well drilled to 8,126 ft total depth in Hancock County
• Successful injection tests into Knox Group– over 23,000 barrels water injected– 323 tons of CO2 injected at pump capacity
(~7 hours)• Injection rates suggest high permeability
fractures connect matrix porosity• Funding received from U.S. DOE
for 2nd phase of research in 2010
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WHAT DOES THIS MEAN FOR COAL?
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What may happen?
• We pay the penalties– 30-40% increase in generation (minimum)– 30% more coal mined– Delivered cost increases ~60%
• We buy power
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What should happen?• We change our model
– Base regulation on efficiency– Allow “real future cost” in best price option– Clean Coal
• We innovate– New technologies to deal with carbon– Efficiency improvements– Renewable and alternative Sources
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Questions?
For further information:
Rodney AndrewsUK Center for Applied Energy Research2540 Research Park DriveLexington, KY 40511
[email protected] 859-257-0305www.caer.uky.edu