Seaweed 2.0 - Farming the Oceans for Fuels & ChemicalsMar 02, 2016 · Seaweed 2.0 - Farming the...
Transcript of Seaweed 2.0 - Farming the Oceans for Fuels & ChemicalsMar 02, 2016 · Seaweed 2.0 - Farming the...
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Seaweed 2.0 -Farming the Oceans
for Fuels & Chemicals
Marc von KeitzProgram Director
ARPA-E Summit – Fast Pitch SessionMarch 2, 2016
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9 billion in 2050. What does it mean?
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9 billion in 2050. What does it mean?
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‣ 70% more food needed
‣ much higher demand for biofuels & biobased products
‣ Need to greatly increase biomass production capacity
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Where and how
will we grow
our additional
biomass?
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70% more food required by 2050 (FAO)
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‣ Picture of large corn field with combines
6Insert Presentation NameMarch 3, 2016
All eggs in increased yield basket?
Photo: National Geographic
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7Insert Presentation NameMarch 3, 2016
Oceans as the next frontier
70% of world’s surface, but
only 1% of world’s food supply
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Oceans as the next frontier
Light
Water
Space
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U.S. Exclusive Economic Zone (EEZ):Larger than total U.S. land area
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Crop for the Ocean Farm - Macroalgae
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Fast growing
Easy to harvest
Many different species
Mostly carbohydrate & some protein
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An Existing Industry
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‣World production in 2012: 24 million MT
‣Supplying food & hydrocolloids
‣Mostly manual labor
‣Dominant players today: China, Indonesia, Korea, Japan
Photo: MBARI
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Can we make it Energy-Relevant ?
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‣Back of the envelope calculation:– 1 Quad (1015 BTU) Ethanol (~13 billion gal)– 210 million MT of dry seaweed (~2.1 billion MT wet)* – 18 million acres (~28,000 square miles)*
‣Increase volume of production ~100xabove current world level
‣Drive down cost of production ~10x to get within range of terrestrial biomass
Photo: MBARI
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‣Expand into deeper, off-shore waters
‣Accessing “free” nutrients
‣Saltwater conversion technologies
Scale-up Challenges
Photo: Erik K Veland
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Leveraging new tools to leap forward
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Advanced Breeding & Genetics
ComputationalModeling
Satellite Imaging& Remote Sensing
Robotics & Automation
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One idea: Seaweed “Ranching”
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* *
Photo: Romel Hall
Harvesting floating seaweed before it hits the beaches
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Stepping Stones to Commercialization
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Food
Feed
Fuel
Volume
Pric
e pe
r uni
t
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Innovative Approaches to Ocean Cultivation of Macroalgae
for Production of Fuels & Chemicals
ARPA-E WorkshopFebruary 11 & 12, 2016
Capitol Hilton, Washington, DC