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Title: Solid-state fermentation of sweet sorghum to ethanol in a rotary-drum fermentor

Journal Article · · Biotechnol. Bioeng.; (United States)

Sugar compounds present in chopped solid-sweet sorghum particles were fermented to ethanol in a rotary-drum fermentor (RDF) using an ethanol tolerant yeast strain. The influence of rotational speed of the RDF on the rate of ethanol fermentation was investigated and compared with static-flask experiments. The rate of ethanol formation decreased with increasing rotational speed. The maximum rate and extent of ethanol formation were ca. 3.1 g EtOH/L h (based on expressed juice volume) and ca. 9.6 g EtOH/100 g mash, respectively, at 1 rpm rotational speed.

Research Organization:
Lehigh Univ., Bethlehem, PA
OSTI ID:
6500029
Journal Information:
Biotechnol. Bioeng.; (United States), Vol. 27:8
Country of Publication:
United States
Language:
English