wood biofuels bill hubbard and sarah ashton southern regional extension forestry
TRANSCRIPT
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Wood BiofuelsWood Biofuels
Bill Hubbard and Sarah AshtonBill Hubbard and Sarah AshtonSouthern Regional Extension ForestrySouthern Regional Extension Forestry
Wood BiofuelsWood Biofuels
Bill Hubbard and Sarah AshtonBill Hubbard and Sarah AshtonSouthern Regional Extension ForestrySouthern Regional Extension Forestry
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Setting the StageSetting the Stage Humanity’s Top 10 Problems over the next 50 years*
1. Energy2. Water3. Food4. Environment5. Poverty6. Terrorism & War7. Disease8. Education9. Democracy10. Population
Humanity’s Top 10 Problems over the next 50 years*
1. Energy2. Water3. Food4. Environment5. Poverty6. Terrorism & War7. Disease8. Education9. Democracy10. Population
Dr. Richard Smalley, Professor of Chemistry, Physics and Astronomy, Rice
University, 1996 Nobel Prize Winner
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Fossil Fuel SituationFossil Fuel Situation
Current worldwide demand for oil 81 million barrels/day
6 barrels used for every 1 discovered
Demand in 20 years Projected at 121 million barrels/day
Where will it come from? Politically unstable countries (Saudi Arabia, Iraq, Iran,
Venezuela) Or undesirable locations (ANWAR, deep-platforms, near-
shore)
Current worldwide demand for oil 81 million barrels/day
6 barrels used for every 1 discovered
Demand in 20 years Projected at 121 million barrels/day
Where will it come from? Politically unstable countries (Saudi Arabia, Iraq, Iran,
Venezuela) Or undesirable locations (ANWAR, deep-platforms, near-
shore)
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US Dependence on Foreign Oil
US Dependence on Foreign Oil
Have OilSaudi Arabia 26%Iraq 11%Kuwait 10%UAE 8%Venezuela 6%Russia 5%Libya 3%Mexico 3%China 3%Nigeria 2%US 2%
Have OilSaudi Arabia 26%Iraq 11%Kuwait 10%UAE 8%Venezuela 6%Russia 5%Libya 3%Mexico 3%China 3%Nigeria 2%US 2%
Use OilUS 26%Japan 7%China 6%Germany 4%Canada 4%Russia 3%Brazil 3%S. Korea 3%France 3%India 3%Mexico 3%Italy 2%
Use OilUS 26%Japan 7%China 6%Germany 4%Canada 4%Russia 3%Brazil 3%S. Korea 3%France 3%India 3%Mexico 3%Italy 2%
The U.S. uses more than the next 5 highest consuming nations combined
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Climate Change is Real and Creates Real Impacts
Climate Change is Real and Creates Real Impacts
Mountain Pine BeetleHurricane Katrina
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So what does all this mean?
So what does all this mean?
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One Alternative is the Utilization of Woody Biomass as Fuel
One Alternative is the Utilization of Woody Biomass as Fuel
We have an abundance of woody biomass that, in general, needs to be extracted for various reasons including: Woody weed control, Integrated Pest Management, Fuel Load Reduction, Improving growth rates of standing timber, Salvage
But is NOT always extracted or utilized
We have an abundance of woody biomass that, in general, needs to be extracted for various reasons including: Woody weed control, Integrated Pest Management, Fuel Load Reduction, Improving growth rates of standing timber, Salvage
But is NOT always extracted or utilized
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What is Woody Biomass?What is Woody Biomass?
Woody biomass is the accumulated mass, above and below ground, of the wood, bark, and leaves of living and dead woody shrubs and trees.
Woody biomass is the accumulated mass, above and below ground, of the wood, bark, and leaves of living and dead woody shrubs and trees.
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What is Bioenergy?What is Bioenergy?
Energy produced from biomass including woody biomass, agricultural biomass, and other biological materials
Includes electricity, heat, and transportation fuels
Energy produced from biomass including woody biomass, agricultural biomass, and other biological materials
Includes electricity, heat, and transportation fuels
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Availability of BiomassAvailability of Biomass
OECD – commercial, industry-led
Asia and Latin America – modern, commercial
Africa – harvested informally
OECD – commercial, industry-led
Asia and Latin America – modern, commercial
Africa – harvested informally
China20.5%
Asia(excluding
China)34.2%
Latin America7.0%
Africa23.9%
OECD13.0%
Middle East 0.1%
Former USSR 0.9%
Non-OECD Europe 0.4%
Source: IEA 2003. Renewables Information. Paris
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Utilization of BiomassUtilization of Biomass Biomass is the most important renewable energy source in the world today 10.6% world total energy supply
- 77.4% total renewable energy supply Solid biomass has grown at 1.8% Liquid biomass has grown at 84%
Biomass is the most important renewable energy source in the world today 10.6% world total energy supply
- 77.4% total renewable energy supply Solid biomass has grown at 1.8% Liquid biomass has grown at 84%
0.20%16.40%
0.30%
3.20%
79.90%
Wind
Hydro
Solar tide
Geothermal
Combustiblerenewables andwaste
Solidbiomass/charcoal77.4%
LiquidBiomass
0.7%
RenewableMunicipal
SolidWaste1.20%
Gas fromBiomass0.50%
Source: IEA 2003. Renewables Information. Paris
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Biomass in the United StatesBiomass in the United States Domestic energy production 9% renewable: 47% biomass: 72% wood-based
Domestic energy production 9% renewable: 47% biomass: 72% wood-based
17.00%
9.00%
11.00%
32.00%
31.00%
Petroleum
Renewable Energy
Nuclear Electric
Coal
Natural Gas
2% Wind
45%Hydroelectric
5%Geothermal
47%Biomass
1% Solar
Source: Energy Information Administration 2004
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Energy PotentialEnergy Potential
Forest residues Ethanol potential Southern
advantage
Forest residues Ethanol potential Southern
advantage
Source: Mabee et al. 2006
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Woody Bioenergy PotentialWoody Bioenergy Potential
• 40 million dry tons of recoverable logging residues in the US
• Approximately 20 million dry tons in the South
• Each Southern state could produce at least 100 MW of electricity using logging residues
• 40 million dry tons of recoverable logging residues in the US
• Approximately 20 million dry tons in the South
• Each Southern state could produce at least 100 MW of electricity using logging residues
Capacity (MW) 300 or above (9) 200 to 299 (7)100 to 199 (12) 50 to 99 (4)0 to 49 (18)
Operational power/electricity capacity from logging residues by state--Gan and Smith 2006
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Woody Biomass-Harvesting Residues
Woody Biomass-Harvesting Residues
Unconsolidated Comminuted Bundled
Unconsolidated Comminuted Bundled
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Woody Biomass-Wood Processing Residue
Woody Biomass-Wood Processing Residue
Black liquor Sawdust Bark
Black liquor Sawdust Bark
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Woody Biomass- Other SourcesWoody Biomass- Other Sources
Energy Plantations Construction Waste Salvage
Energy Plantations Construction Waste Salvage
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Woody Biomass Resources in the South
Woody Biomass Resources in the South
Forestland
(mil acres)
Logging Residues
(mil dry tons)
Processing Residues
(mil dry tons)
Urban Wood Waste
(mil dry tons)
Alabama 23 2.7 2.05 0.48
Florida 16.5 1.3 0.75 1.68
Georgia 24.7 3.5 2.1 0.92
Kentucky 12 1.2 0.46 0.45
Mississippi 19.8 3.6 1.98 0.31
North Carolina 18.7 2.3 1.57 0.83
South Carolina 12.4 1.6 0.84 0.46
Tennessee 14.4 0.76 0.62 0.61
Virginia 15.8 1.7 0.87 0.81
Arkansas 18.7 2.03 1.63 0.31
Louisiana 13.8 3.01 1.38 0.47
Oklahoma 7.7 0.66 0.25 0.37
Texas 11.9 1.4 1.46 2.31
Region Total 209.4 25.76 15.96 10.01
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Conversion ProcessesConversion Processes
Woody biomass can undergo- Biochemical Conversion
Aerobic Digestion Anaerobic Digestion Fermentation
Thermochemical Conversion Combustion Gasification Pyrolysis Etc.
Woody biomass can undergo- Biochemical Conversion
Aerobic Digestion Anaerobic Digestion Fermentation
Thermochemical Conversion Combustion Gasification Pyrolysis Etc.
UGA Pyrolysis Unit
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USDA/DOE Biorefinery ConceptUSDA/DOE Biorefinery Concept
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End ProductsEnd Products
Heat and Power Liquid Transportation Fuel
Ethanol Methanol Biodiesel
Industrial Products Chemicals Bioproducts
Heat and Power Liquid Transportation Fuel
Ethanol Methanol Biodiesel
Industrial Products Chemicals Bioproducts
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Solid and Gaseous Biofuels Opportunities
Solid and Gaseous Biofuels Opportunities
Solid Char Pellets Chips
Gas Syngas Biogas
Solid Char Pellets Chips
Gas Syngas Biogas
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BioenergyBioenergy
Producing bioenergy in the form of heat and power from woody biomass is the “lowest hanging fruit”.
Producing bioenergy in the form of heat and power from woody biomass is the “lowest hanging fruit”.
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Example-- Forest ProductsExample-- Forest Products
Forest products industry is largest user of forest biomass for energy 70% of energy in-house Created from by-products
Forest products industry is largest user of forest biomass for energy 70% of energy in-house Created from by-products
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Biomass & Forest ProductsBiomass & Forest Products
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Liquid Biofuels OpportunitiesLiquid Biofuels Opportunities
Ethanol Bio-diesel
Ethanol Bio-diesel
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Liquid BiofuelsLiquid Biofuels
President Bush’s 2006 and 2007 State of the Union Addresses Mentioned ethanol from wood chips Set a goal to have more than 7.5 billion gallons
of ethanol and biodiesel in the nation’s fuel supply by 2012
Pledged $250 million to help achieve “homegrown cellulosic ethanol”
President Bush’s 2006 and 2007 State of the Union Addresses Mentioned ethanol from wood chips Set a goal to have more than 7.5 billion gallons
of ethanol and biodiesel in the nation’s fuel supply by 2012
Pledged $250 million to help achieve “homegrown cellulosic ethanol”
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Liquid BiofuelsLiquid Biofuels Fermentation, pyrolysis and gasification. Tech not currently available at a
commercial scale Breaking the cellulose and hemicellulose
free from lignin in a cost effective manner remains a primary barrier
Several firms say they hold the key Range Fuels
Fermentation, pyrolysis and gasification. Tech not currently available at a
commercial scale Breaking the cellulose and hemicellulose
free from lignin in a cost effective manner remains a primary barrier
Several firms say they hold the key Range Fuels
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Benefits of Using Woody Biomass
Benefits of Using Woody Biomass
Environmental Benefits Economic Benefits Energy Benefits
Environmental Benefits Economic Benefits Energy Benefits
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Environmental BenefitsEnvironmental Benefits Carbon
sequestration Reduced
greenhouse gas emissions
Carbon sequestration
Reduced greenhouse gas emissions
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Environmental BenefitsEnvironmental Benefits
Forest health Reduce wildfire risk Reduced mortality due
to insect and disease Recovery of degraded
land
Forest health Reduce wildfire risk Reduced mortality due
to insect and disease Recovery of degraded
land
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Economic BenefitsEconomic Benefits Landowners
Increased income potential
Reduced site preparation costs
Communities New markets for forest
products Economic diversification
Landowners Increased income
potential Reduced site preparation
costs
Communities New markets for forest
products Economic diversification
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Energy BenefitsEnergy Benefits
Reduced fossil fuel use
Renewable source Improved energy
security
Reduced fossil fuel use
Renewable source Improved energy
security
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Promoting BiomassPromoting Biomass
Market Formation Bioenergy systems Biofuels
Challenges
Market Formation Bioenergy systems Biofuels
Challenges
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Market FormationMarket Formation
System-level focus across entire value chain Biomass production Harvesting, transport, processing Utilization and energy generation capacity
Direct combustion Conversion technology
Consumer demand
Marketing messages Reliable and affordable Enables secure energy future
System-level focus across entire value chain Biomass production Harvesting, transport, processing Utilization and energy generation capacity
Direct combustion Conversion technology
Consumer demand
Marketing messages Reliable and affordable Enables secure energy future
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Challenges in BioenergyChallenges in Bioenergy
Supply and Market Development Integration Competitiveness and Mainstreaming Sustainability Transportation Conversion Technologies
Supply and Market Development Integration Competitiveness and Mainstreaming Sustainability Transportation Conversion Technologies
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Creating SynergiesCreating Synergies
Energy sector Greater use of by-products for fuel Sale of excess electricity to the grid
Agriculture Cooperate in market development for ethanol
Energy sector Greater use of by-products for fuel Sale of excess electricity to the grid
Agriculture Cooperate in market development for ethanol
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ConclusionsConclusions Forest biomass is an attractive renewable
energy source. It provides environmental, economic, and
energy benefits to society. Challenges and barriers do exist.
Market development Technology Collaboration Education
Forest biomass is an attractive renewable energy source.
It provides environmental, economic, and energy benefits to society.
Challenges and barriers do exist. Market development Technology Collaboration Education