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Biofuel Crop Production. Presentation by: Josh Carlin. What should we grow?. Ideal Crop High biomass yield Low in lignin and high in cellulose and hemicellulose Able to stand in field to extend harvest window Low water requirement Low nutrient requirement. Perennial Crops. Switchgrass

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Presentation Transcript
Biofuel crop production

Biofuel Crop Production

Presentation by:

Josh Carlin


What should we grow
What should we grow?

  • Ideal Crop

    • High biomass yield

    • Low in lignin and high in cellulose and hemicellulose

    • Able to stand in field to extend harvest window

    • Low water requirement

    • Low nutrient requirement


Perennial crops
Perennial Crops

  • Switchgrass

  • Big Bluestem

  • Miscanthus x giganteus


Annual crops
Annual Crops

  • Corn (rotated with soybean)

  • Continuous Corn

  • Photoperiod Sensitive Sorghum

  • Brown Mid-Rib Sorghum (BMR)

  • Dual Purpose Forage Sorghum


Challenges
Challenges

  • Harvesting

    • Water Removal

    • Standability

    • Density

  • Water Usage

    • Ethanol Production

    • Crop Production


Water usage
Water Usage

  • 3 gallons required per gallon of corn ethanol (RFA)

  • 6 gallons required per gallon of cellulosic ethanol (NREL)

  • About 20-25 inches of water are necessary to produce an acre of average yielding corn


Harvesting
Harvesting

  • Biomass needs to be at 15% moisture

  • Transportation

    • Greater bulk density required to transport efficiently


Cob harvesting
Cob Harvesting

  • The next step?

  • Cobs prove to be a good resource in the cellulosic biofuel industry

    • Higher bulk density than stover

    • Leave Less ash when burned

    • Produce higher BTU per pound.


Other biofuel crop research
Other Biofuel Crop Research

  • Photoperiod Sensitive Sorghum Population Study

  • Ash Byproduct N Fertility Study

  • DDGS Nitrogen Fertility Study



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