Solid state production of ethanol from sorghum
Conference
·
OSTI ID:126144
- Colorado State Univ., Fort Collins, CO (United States)
Ethanol, produced from renewable resources, such as corn, sugar cane and sweet sorghum, is used as an oxygenate in reformulated gasoline. For biofuels to become economical, means of lowering production costs must be found. Our research focuses on using a modified method of ensiling to produce ethanol from sorghum. Formic acid, +/- cellulase, and yeast were applied to fresh field-chopped sorghum and then packed tightly into five-gallon plastic silos. Counter-current extraction methods were used as a means of biofuel separation. Sorghum receiving 5 IU/grain dry weight cellulase produced 37.7 liters of ethanol per metric ton on a wet weight basis. Sorghum not receiving cellulose additives produced 23.4 liters of ethanol per metric ton. An ethanol plant of intermediate size (565,272 liters of anhydrous ethanol/year) can operate using sorghum grown on less than 1400 acres.
- OSTI ID:
- 126144
- Report Number(s):
- CONF-950402--
- Country of Publication:
- United States
- Language:
- English
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