Local Bioprospecting for Oleaginous Algaebiogas.ifas.ufl.edu/Publs/Local-Bioprospecting-for... ·...
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Local Bioprospecting for Oleaginous Algae
Ann C. WilkieSoil and Water Science Department
University of [email protected]
National Algae Association Mid-South ChapterOrlando Workshop
June 12, 2009
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Dr. Ann C. WilkieBioenergy & Sustainable Technology
Research:Anaerobic digestion technology for renewable energy production from biomass and organic residues, including livestock waste, bioethanoland biodiesel by-products, and energy crops.
Expertise:Biogas technology and waste-to-bioenergy systems, with US and international patents awarded.
BiodieselfromAlgae
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Natural Resources
Waste
Greenhouse Gases
Biodiversity
EnergyHuman Health
Water
The Dimensions of Sustainability
Community
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BioEnergy from Algae
Sustainable energy for future generations
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Algae as an Energy Crop• Land Use – Marginal lands, Vertical potential, small
footprint+
• Water Use – Municipal/Agricultural wastewaters, Saline water, Conserves freshwater use
+• Nutrient Resource – Utilization of abundant,
nutrient-rich wastes replaces expensive synthetic nutrient inputs
+• Carbon Capture – Greenhouse gas mitigation,
potential sequestration=
• Sustainable Energy Production
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Diverse Energy Options• Lipids – Petroleum alternatives• Carbohydrates/Fibers – Biogas or Alcohol
production, Animal feed• Proteins – Animal feed or Nitrogenous
fertilizers• Residual/Total Biomass – co-fired in
existing coal boilers, anaerobically digested, or gasified for use in combined-cycle systems
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Abundant GrowthAbundant Growth• Aquatic Advantage
– Efficient exchange– No complex support structures
• Cellular Multiplicity– Daily doublings
• Biomass Production Potential– Daily Biomass Harvesting
Adapted from: Sheehan J, Dunahay T, Benemann J, Roessler P (1998). A Look Back at the U.S. Department of Energy’s Aquatic Species Program—Biodiesel from Algae. U.S. Department of Energy’s Office of Fuels Development Prepared by: the National Renewable Energy Laboratory
Strain Genus Family Growth Rate (doublings•day-1)
OSCIL2 Oscillatoria Cyanophyceae 4.23 OSCIL3 Oscillatoria Cyanophyceae 3.50 AMPHO46 Amphora Bacillariophyceae 2.81 NANNO13 Nannochloris Chlorophyceae 2.78 CHLOR23 Chlorella Chlorophyceae 2.66 SYNEC3 Synechococcus Cyanophyceae 2.51
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BioprospectingBioprospecting for Indigenous speciesfor Indigenous species
– Establishing a biological base• Species/Strain Discovery
– Culture stability• Robust organisms adapted to local climatic
conditions– Lipid productivity
• Metabolic machinery to produce and store lipids
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Biochemical InvestigationBiochemical Investigation
• Lipid Biosynthesis– Metabolic capacity
• Lipid Bio-amplification– Environmental stimuli
© BEST Laboratory
1250x
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Bioprospecting
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Growing Prospects
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Biochemical InvestigationsAn Example of Lipid Bio-Amplification in a collected Chlorella
culture, when exposed to certain environmental conditions
© BEST Laboratories
© BEST Laboratories
1250x
1250x
© BEST Laboratories
© BEST Laboratories
© BEST Laboratories
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The Human Ecosystem
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Anaerobic digestion
BiogasLipid Separation
Biodiesel and Bioethanol from Algal Biomass
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Local Bioprospecting for Oleaginous Algae
Ann C. WilkieSoil and Water Science Department
University of [email protected]
National Algae Association Mid-South ChapterOrlando Workshop
June 12, 2009