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Biodiesel production from algae


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Biodiesel production from algae........Renewable energy source

Published in: Technology
  • Dear, If u interested, I can give u Algae Strains for Algae Farming. My No. 0300-9638477,0322-8648907 Muhammad Ali Khan Multan.
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Biodiesel production from algae

  1. 1. Biodiesel production from algae Group members Shafiq uz zaman 2011-ch-379 Hamid Mukhtar 2011-ch-373 Zain ul shahidin 2011-ch-337 Kalim ahmed 2011-ch-376
  2. 2. Classification of energy ENERGY SOURCE Non Renewable Energy Renewable Energy Solar Wind Traditional Alternative Hydro Oil Nuclear Ocean Gas Tar Sands Geothermal Coal Oil Shale Biomass Gas Hydrates
  3. 3. Biofuels Biodiesel • Substitute for petrodiesel Ethanol • Subsitute for gasoline Less common types: • Biobutanol • Synfuel
  4. 4. Why the Interest In Biodiesel?  Renewable Resource with the largest potential to get us off the foreign oil supply  National Energy Security is an achievable goal with Algae Oil  Environmental Enhancement through Zero Sulfur and the sequestration of CO2  Economics & Job Creation through keeping the production of fuels inside the Pakistan
  5. 5. Introduction to algae fuels Microalgae • Contains oil • Processed for biodiesel production Macroalgae • Composed of starch and cellulose • Processed for ethanol production
  6. 6. Algae Oil yield Compared to other Feedstocks  Comparative Yields  Soy Bean 50-65 Gallons Per Acre Per Year  Camelina 150-400 Gallons Per Acre Per Year  Palm 400-700 Gallons Per Acre Per Year  Algae 2,000 to 20,000+ ?? Gallons Per Acre Per Year
  7. 7. Uniqueness of algae fuels Higher oil yield Lesser land requirement food vs. fuel Algae fuels Adaptability Range of products WWT & CO2 capture
  8. 8. Lesser land requirement  Algae is capable of producing 30 times more oil per acre than the current crops now utilized for the production of biofuels.  Algae could produce up to 94,000 liters of oil per acre, shrinking land requirements
  9. 9. Adaptability to a range of environment Grown under conditions which are unsuitable for conventional crop production (marine water, wastewater, open ponds)
  10. 10. Solve the food versus fuel problem  Does not compete directly with crops grown for food  Algae can make use of marine and waster water  Some algae can be grown in desert regions  Some algae can be grown in ocean environment  Does not require expensive nutrients for growing
  11. 11. A wide range of fuel products Biodiesel Ethanol Algae Methane Hydrogen
  12. 12. Integrated with CO2 capture
  13. 13. Additional Algae Oil Benefits:  Can be Grown anywhere  Non-polluting  Zero Sulfur  Releases Oxygen (can be captured and sold)  Eats CO2 (a potentially valuable GHG offset)  After the Oil is extracted the remaining presscake (BioMass) is a highly valuable product
  14. 14. How Does Algae Produce Oil?  Algae is a single cell organism  Algae feeds on the Hydrogen from the H2O and the Carbon from the CO2 and through the process of photosynthesis produces Hydrocarbon Chains and releases Oxygen  Most strains of the Green and Green-Blue Algae can double their mass every 24hour growing cycle  Different strains of Algae produce Algae Oil with slightly different hydrocarbon chains
  15. 15. How to obtain fuel from algae?  Picking up the best algae  Growing the algae  Harvesting  Generating the fuel product
  16. 16. Choosing an Algae  Important characteristics of Algae  High % of total biomass is oil  Maintains a high % of oil even under stress  Compatible with our regional climate
  17. 17. Where To Grow It  Extensions onto our water treatment plants  Clean up our waste and generate fuel  Agriculture runoff  Exploit the county’s many farms and vineyards  Water ponds  Algae could well grow on salty water as well as soft water
  18. 18. How Is Algae Grown?  There are 3 methodologies that are currently being used to grow Algae – with a wide number of variations! :
  19. 19. 1st Open system
  20. 20. Open Tanks
  21. 21. Pivot Ponds
  22. 22. Open Ponds
  23. 23. Light Pulse Systems
  24. 24. Open Raceway Ponds
  25. 25. 2nd vertical systems (Vertigrow’s, Hanging Bags)
  26. 26. 3rd Closed systems(photo bioreactor) Tubular PBR Also referred as Photo bioreactors(PBR) Flat plate PBR
  27. 27. Bio reactor  Bioreactors provide fast growth of algae with the high contents of oil.  Considerably reduces expenditures of labor & eliminates complexities in service. The system can work during long periods without destruction of culture.  Light in a reactor is taken as much as it considerably increases its productivity.   Self-cleaning Reactors represent closed, controlled, automated systems. 
  28. 28. The technological circuit of installation of a bioreactor
  29. 29. d Oil Extraction From Algae
  30. 30. There are three well-known methods to extract the oil from oilseeds, and these methods should apply equally well for algae too: 1. Expeller/Press 2. Hexane solvent oil extraction 3. Supercritical Fluid extraction
  31. 31. 1.Pressing oil from the algae     Dry the algae and press the oil from it. Can retrieve up to 70% of the oil. While drying must prevent the algae from becoming contaminated. Cheapest and simplest method
  32. 32. 2.Chemical Oil Extraction  Use hexane solvents to remove the oil.  Benzene could also be used.  Must be careful when using.  Removes oil out of almost all things.  About 95% of total oil present in algae could be extracted.
  33. 33. 3.Super Critical Oil Extraction  Most efficient method.  Equipment need special containment and pressure.  Can extract almost 100% oil by itself.  Uses carbon dioxide at critical pressure and temperature (CO2 is almost a liquid).  Rapid diffusion of the oil. Zain qazi
  34. 34. Product generation via different methods  Biodiesel  Ethanol  Hydrogen  Methane  Electricity – where algae biomass is directly used for combustion  Other hydrocarbon fuel, such as JP-8 fuel, gasoline, biobutanol etc.
  35. 35. Biodiesel from algae Cultivation of Microalgae species Harvesting of Microalgae Extraction of Oil from Microalgae Transesterification Biodiesel
  36. 36. Ethanol from algae Algae Biomass Fermentation Ethanol
  37. 37. Hydrogen(H2) from algae Biomass Gasification Biogas Fermentation Steam Reformation H2 Dark Fermentation
  38. 38. Methane from algae Algae Biomass Anaerobic digestion Methane
  39. 39. Conclusion  Even with few challenges taken into consideration, algae biofuel ’s natural advantages look to make it one of the foremost players in the clean energy market  Algae biofuel production holds future promise for developing countries. • More jobs • Energy independence
  40. 40. Cost of the pilot project  Aprox 20,000 to 25,000 in pakistani rupees. Which include  Algae cultivation requirements  Algae drying method  Algae oil extraction
  41. 41. Thank you! Any question?