Comparison of Hydrocarbon Contents from Wild and LabGrown Algae

1
Comparison of Hydrocarbon Contents from Wild and
Lab-Grown Algae

• David Ni
• Inis Hsieh
• Margaret Yeh

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Why Algae?

• Demand for oil is high
• Algae as alternative fuel source
• Cheaper to produce
• More fuel
• More environmentally friendly

3
What are the problems?

• Algae takes too many resources to grow

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Solutions

• Wild algae
• Lichen
• Moss

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Lab grown algae v.s. Wild algae

• Lab grown algae
• Specific conditions
• Expensive
• Difficult to culture

• Wild algae
• Easy to obtain
• Inexpensive
• More home user friendly

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future

• Better methods to extract lipids
• Use of various vegetation for biodiesel
• More environmentally friendly

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Most Common Methods

• Methods of extracting are not perfect
• Most common methods are
• Press
• Hexane
• Supercritical Fluid

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Methods

• Collect Algae
• Rinse out soil using water
• Dehydration
• Press dried algae
• Add hexane to pressed dried algae
• Heat and stir
• Filter algae- clear odorless liquid
• Evaporate/Distill hexane
• Measure weight of lipids/ weight of algae

Pics Here on Camera
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Complications

• Dehydration- Extras
• Filtering
• Evaporation/ distillation
• Quantifying lipids

More Pics on Camera
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Data/Results
Coming soon
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Conclusion
Unable to make a conclusion at this point
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Bibliography

• http//www.nrel.gov/docs/legosti/old/3579.pdf
• http//www.biodieselnow.com/forums/13.aspx