BIOREFINING TURFGRASSES

Demonstration #1: ETHANOL

  • Biomass: Annual Ryegrass clippings (200 mg)

01_Ryegrass_clippings_120126.jpg
  • Slurry (to 2 L in ddH2O)

02_Ryegrass_slurry.jpg
  • Baker's Yeast (Saccharomyces cerevisiae)

03_yeast_pak.jpg

  • Fermentation (72 hrs.: 95 deg. F)

  • 'Freeze' distillation (Fractional Freezing): 9 cycles (last unfrozen fraction advanced)
    • Cycle 1
04_fracfrz1.jpg
  • Cycle 9
05_fracfrz9.jpg
  • Ethanol production (Proof of concept)
    • 40% ethanol minimum required to maintain flame

06_finalEtoh.jpg