Solid-phase fermentation and juice expression systems for sweet sorghum

Journal Article · Tue Jan 01 04:00:00 EST 1985 · Trans. ASAE; (United States)

DOI:https://doi.org/10.13031/2013.32239· OSTI ID:6457423

Bryan, W L; Monroe, G E; Caussariel, P M

Two systems to recover fermented juice from variety M 81E sweet sorghum stalks that contained about 11% fermentable sugar were compared. (a) Stalks with leaves and tops removed were chopped and inoculated with 0.2% yeast in a forage harvester, stored under anaerobic conditions for 75 hours in insulated fermentors and pressed in a screw press to recover fermented juice (5-6% ethanol). (b) Mechanically harvested sweet sorghum billets (30 cm length) without leaves or seed heads were shredded and milled in a 3-roll mill; and bagasse was inoculated with 0.2% yeast, fermented for 100 h and pressed to recover fermented juice (4 to 5% ethanol). Potential ethanol yields were 75% of theoretical for the forage harvest system and 78% for the shredder mill system, based on 95% of theoretical ethanol yield from juice expressed during milling and no loss of ethanol during fermentation, handling and pressing in the screw press. 20 references.

• Research Organization: Southern Agricultural Energy Centre, Tifton, GA; Agricultural College of Purpan, Toulouse, France
• OSTI ID: 6457423
• Journal Information: Trans. ASAE; (United States), Journal Name: Trans. ASAE; (United States) Vol. 28:1; ISSN TAAEA
• Country of Publication: United States
• Language: English

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AGRICULTURAL WASTES
ALCOHOLS
ANAEROBIC CONDITIONS
BAGASSE
BIOCONVERSION
BIOREACTORS
CARBOHYDRATES
CEREALS
COMMINUTION
COMPARATIVE EVALUATIONS
DISACCHARIDES
EQUIPMENT
ETHANOL
FABRICATION
FERMENTATION
FLUIDS
FUNGI
GRASS
HARVESTING EQUIPMENT
HYDROXY COMPOUNDS
INOCULATION
LIQUIDS
MATERIALS WORKING
MICROORGANISMS
OLIGOSACCHARIDES
ORGANIC COMPOUNDS
ORGANIC WASTES
PLANT STEMS
PLANTS
PRESSING
PRODUCTION
SACCHARIDES
SACCHAROSE
SOLIDS
SORGHUM
STORAGE
WASTES
YEASTS