Biodiesel production from algae
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Biodiesel production from algae



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

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



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  • Although there are alternatives, they dun satisfy transportation needs….
  • Biofuels (ethanol, etc…)
  • Introduction to algae fuels

Biodiesel production from algae Presentation Transcript

  • 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. 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. Biofuels Biodiesel • Substitute for petrodiesel Ethanol • Subsitute for gasoline Less common types: • Biobutanol • Synfuel
  • 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. Introduction to algae fuels Microalgae • Contains oil • Processed for biodiesel production Macroalgae • Composed of starch and cellulose • Processed for ethanol production
  • 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. Uniqueness of algae fuels Higher oil yield Lesser land requirement food vs. fuel Algae fuels Adaptability Range of products WWT & CO2 capture
  • 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. Adaptability to a range of environment Grown under conditions which are unsuitable for conventional crop production (marine water, wastewater, open ponds)
  • 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. A wide range of fuel products Biodiesel Ethanol Algae Methane Hydrogen
  • 12. Integrated with CO2 capture
  • 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. 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. How to obtain fuel from algae?  Picking up the best algae  Growing the algae  Harvesting  Generating the fuel product
  • 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. 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. How Is Algae Grown?  There are 3 methodologies that are currently being used to grow Algae – with a wide number of variations! :
  • 19. 1st Open system
  • 20. Open Tanks
  • 21. Pivot Ponds
  • 22. Open Ponds
  • 23. Light Pulse Systems
  • 24. Open Raceway Ponds
  • 25. 2nd vertical systems (Vertigrow’s, Hanging Bags)
  • 26. 3rd Closed systems(photo bioreactor) Tubular PBR Also referred as Photo bioreactors(PBR) Flat plate PBR
  • 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. The technological circuit of installation of a bioreactor
  • 29. d Oil Extraction From Algae
  • 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. 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. 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. 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. 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. Biodiesel from algae Cultivation of Microalgae species Harvesting of Microalgae Extraction of Oil from Microalgae Transesterification Biodiesel
  • 36. Ethanol from algae Algae Biomass Fermentation Ethanol
  • 37. Hydrogen(H2) from algae Biomass Gasification Biogas Fermentation Steam Reformation H2 Dark Fermentation
  • 38. Methane from algae Algae Biomass Anaerobic digestion Methane
  • 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. 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. Thank you! Any question?