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High Energy BioGas/Diesel. Steve Briggs UCSD. Try Corn Alcohol Gasoline!. April 1933 Lincoln, Nebraska. Fuel Ethanol. yeast. corn grain. starch. sugar cane. glucose. sugar. ethanol. sugar beet. fermentation. C4 grasses. trees. cellulose. municipal waste. Ethanol fuel qualities.

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Presentation Transcript
try corn alcohol gasoline
Try Corn Alcohol Gasoline!

April 1933

Lincoln,

Nebraska

fuel ethanol
Fuel Ethanol

yeast

corn grain

starch

sugar cane

glucose

sugar

ethanol

sugar beet

fermentation

C4 grasses

trees

cellulose

municipal waste

ethanol fuel qualities
Ethanol fuel qualities
  • Good
    • Easy to make using existing technology from the brewing industry
  • Bad
    • Low energy density (70% gasoline)
    • Corrosive
    • Low product yield from fermentation (12% v/v)
ethanol vs gasoline and petrodiesel composition
Ethanol vs. Gasoline and Petrodiesel Composition

OH

Ethanol

7C

16 C

8C

5C

8C

Paper and Fibre Research Institute

Trondheim, Norway

biosynthetic gasoline diesel
Biosynthetic gasoline/diesel
  • Gasoline C5-C9
  • Diesel C9-C16
  • Biosynthetic gasoline/diesel C10
    • Alkane
    • Monoterpene
  • Produced in bacteria (ethanol is made in yeast)
bacterial biofuel synthesis
Bacterial Biofuel Synthesis
  • Bacteria grow faster than yeast
  • Bacteria can be engineered to produce complex products like alkanes and monoterpenes
  • We have discovered a new control mechanism called TEnBox that enables products to be made in bacteria at 50-fold higher levels than was previously possible
  • We are using TEnBox to make biofuel in bacteria at lower cost and higher yield than ethanol made in yeast
summary
Ethanol

70% energy density

Corrosive

Expensive

Made from yeast

Based on traditional brewing technology

Utilizes sugar from corn starch, sugarcane, sugarbeet, or cellulose

BioGas/Diesel

100% energy density

Non-corrosive

Inexpensive

Made from bacteria

Based on TEnBox technology

Utilizes sugar from corn starch, sugarcane, sugarbeet, or cellulose

Summary