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Effect of fodder beet cube size on ethanol production via diffusion fermentation

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Summary

The size of fodder beet cubes used to produce fuel ethanol via diffusion fermentation was varied to see how this affected various fermentation parameters. The highest yeast populations, shortest fermentation times, and highest ethanol yields and fermentation efficiencies were observed when 2.54 cm square cubes (or smaller) were utilized. Ethanol concentrations here averaged 4.21% (v/v) while the highest concentration reached was 4.83%. To minimize energy for slicing beets and still optimize yields, cubes of 1.91–2.54 cm should be used.

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Authors and Affiliations

  1. Fuel Alcohol Research Laboratory, Microbiology Department South Dakota State University, 57007, Brookings, South Dakota, U. S. A.

    William R. Gibbons & Carl A. Westby

Authors
  1. William R. Gibbons
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  2. Carl A. Westby
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Gibbons, W.R., Westby, C.A. Effect of fodder beet cube size on ethanol production via diffusion fermentation. Biotechnol Lett 9, 135–138 (1987). https://doi.org/10.1007/BF01032753

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  • DOI: https://doi.org/10.1007/BF01032753

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