Algae generation for biofuel using an enclosed system

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A project proposal by Jaal Mann and Michael Karch for Energy Systems and Climate Change at The Evergreen State College

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  • Algae generation for biofuel using an enclosed system

    1. 1. Algae generation for biofuelusing an enclosed system with artificial lighting Jaal Mann and Michael Karch, for Energy Systems & Climate Change at The Evergreen State College Celsias http://www.celsias.com/media/uploads/admin/ algae_shot_1.jpg
    2. 2. Fossil fuels are not sustainable
    3. 3. Fossil fuels are not sustainable• Dwindling petroleum reserves
    4. 4. Fossil fuels are not sustainable• Dwindling petroleum reserves• CO2-caused global climate change
    5. 5. Fossil fuels are not sustainable• Dwindling petroleum reserves• CO2-caused global climate changeSustainable alternatives to fossil fuel are needed
    6. 6. Biofuels as a sustainablealternative to fossil fuel
    7. 7. Biofuels as a sustainable alternative to fossil fuel• Carbon neutral
    8. 8. Biofuels as a sustainable alternative to fossil fuel• Carbon neutral• Renewable
    9. 9. Biofuels as a sustainable alternative to fossil fuel• Carbon neutral• Renewable• Cheaper than fossil fuel
    10. 10. Types of biofuel• Traditional food-crop based -corn -sugar cane -soybean
    11. 11. Types of biofuel• Non-food biomass based -oil palm -switch grass -algae
    12. 12. Algae is a promising new biofuelThe Algae Projecthttp://greengineers.wikispaces.com/file/view/algae_smiley.jpg/115440023/algae_smiley.jpg
    13. 13. Algae is a promising new biofuel • Up to 300x soybean yields1The Algae Projecthttp://greengineers.wikispaces.com/file/view/algae_smiley.jpg/115440023/algae_smiley.jpg
    14. 14. Algae is a promising new biofuel • Up to 300x soybean yields1 • It can be grown quickly, and has a high oil contentThe Algae Projecthttp://greengineers.wikispaces.com/file/view/algae_smiley.jpg/115440023/algae_smiley.jpg
    15. 15. Algae is a promising new biofuel • Up to 300x soybean yields1 • It can be grown quickly, and has a high oil content • Saltwater and wastewater can be usedThe Algae Projecthttp://greengineers.wikispaces.com/file/view/algae_smiley.jpg/115440023/algae_smiley.jpg
    16. 16. How is algae traditionally grown?
    17. 17. How is algae traditionally grown?• Open ponds
    18. 18. How is algae traditionally grown?• Open ponds• Raceway ponds
    19. 19. How is algae traditionally grown?• Open ponds• Raceway ponds• Artificial light bioreactors
    20. 20. How is algae traditionally grown?Can algae be grown in an enclosed artificiallight system cost-effectively and morequickly than traditional methods?
    21. 21. What could make our enclosed artificial light system more efficient?
    22. 22. What could make our enclosed artificial light system more efficient?• Cheap, clean hydro-electricity
    23. 23. What could make our enclosed artificial light system more efficient?• Cheap, clean hydro-electricity• 24/7/365 growing period
    24. 24. What could make our enclosed artificial light system more efficient?• Cheap, clean hydro-electricity• 24/7/365 growing period• Efficient (9W usage) optimum- wavelength LEDs
    25. 25. Proposed Design • Mirror-lined box distributes light evenly
    26. 26. Proposed Design • Mirror-lined box distributes light evenly • CO2 promotes rapid growth
    27. 27. Proposed Design • Young, light- sensitive algae begin in top CO2 enriched tank
    28. 28. Proposed Design • Young, light- sensitive algae begin in top CO2 enriched tank • More mature algae are transferred to bottom light- intensive tank
    29. 29. How this project could change the world
    30. 30. How this project could change the world• In your garage (using your car’s CO22)
    31. 31. How this project could change the world• In your garage (using your car’s CO22)• 1-3% U.S. crop area = 50% transport fuel1
    32. 32. How this project could change the world• In your garage (using your car’s CO22)• 1-3% U.S. crop area = 50% transport fuel1• Animal feed1
    33. 33. How this project could change the world• In your garage (using your car’s CO22)• 1-3% U.S. crop area = 50% transport fuel1• Animal feed1• Local fuel
    34. 34. How this project could change the world• In your garage (using your car’s CO22)• 1-3% U.S. crop area = 50% transport fuel1• Animal feed1• Local fuel• Reduce, reuse, recycle
    35. 35. How this project could change the world• In your garage (using your car’s CO22)• 1-3% U.S. crop area = 50% transport fuel1• Animal feed1• Local fuel• Reduce, reuse, recycle• Save the planet
    36. 36. The market price challenge• Cost – Currently $2.80/L1
    37. 37. The market price challenge• Cost – Currently $2.80/L1 – $0.69/L target to compete with $100/ barrel oil1
    38. 38. Possible outcomes and their implications for the future If our system is cost-effective:
    39. 39. Possible outcomes and their implications for the future If our system is cost-effective:• Larger scale operations
    40. 40. Possible outcomes and their implications for the future If our system is cost-effective:• Larger scale operations -maximize yields
    41. 41. Possible outcomes and their implications for the future If our system is cost-effective:• Larger scale operations -maximize yields -harvest most efficiently
    42. 42. Possible outcomes and their implications for the future If our system is cost-effective:• Larger scale operations -maximize yields -harvest most efficiently -ideal system construction
    43. 43. Possible outcomes and their implications for the futureIf our system is not cost-effective:
    44. 44. Possible outcomes and their implications for the future If our system is not cost-effective:• Research different methods
    45. 45. Possible outcomes and their implications for the future If our system is not cost-effective:• Research different methods -optimizing raceway ponds
    46. 46. Possible outcomes and their implications for the future If our system is not cost-effective:• Research different methods -optimizing raceway ponds -alternative bioreactors
    47. 47. Possible outcomes and their implications for the future If our system is not cost-effective:• Research different methods -optimizing raceway ponds -alternative bioreactors -other energy sources
    48. 48. Possible outcomes and their implications for the future If our results are inconclusive:
    49. 49. Possible outcomes and their implications for the future If our results are inconclusive:• Future research into our method
    50. 50. Possible outcomes and their implications for the future If our results are inconclusive:• Future research into our method -increasing sample size
    51. 51. Possible outcomes and their implications for the future If our results are inconclusive:• Future research into our method -increasing sample size -eliminating bias
    52. 52. Possible outcomes and their implications for the future If our results are inconclusive:• Future research into our method -increasing sample size -eliminating bias -repeat studies
    53. 53. Sources• 1: Chisti Yusuf, “Biodiesel from microalgae,” Biotechnology Advances 25, no. 3 (May): 294-306. <http://www.sciencedirect.com/science/article/pii/ S0734975007000262>• 2: Michael Szabo, "From Wales, a box to make biofuel from car fumes," Reuters. July 2007. <http://uk.reuters.com/article/2007/07/19/uk-wales- greenbox-business-feature-pictu-idUKL1847347220070719>• Diesel engine sound: hanstimm, http://www.freesound.org/people/ hanstimm/sounds/7803/• Car passing sound: Pingel, http://www.freesound.org/people/Pingel/ sounds/3184/• Bubble sound: lonemonk, http://www.freesound.org/people/ lonemonk/sounds/108745/• Rain sound: RHumphries, http://www.freesound.org/people/ RHumphries/sounds/2521/

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