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Digitale Medien

Theory and modelling of ethanol evaporative losses during batch alcoholic fermentation (1983)

Williams, Lynn A.

New York, NY [u.a.] : Wiley-Blackwell

Biotechnology and Bioengineering 25 (1983), S. 1597-1612

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Details

ISSN: 0006-3592

Schlagwort(e): Chemistry ; Biochemistry and Biotechnology

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Biologie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Notizen: Evaporative loss of ethanol during batch alcoholic fermentation has been modelled, employing modern concepts of kinetics and stoichiometry and the best available phase equilibrium thermodynamic data. Theoretical results demonstrate that loss is proportional to the second power of the sugar concentration utilized and that the logarithm of loss is proportional to reciprocal absolute temperature. Good agreement is demonstrated among the theory, the numerical model, and the literature results. A master correlation for predicting ethanol loss is presented.

Zusätzliches Material: 3 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/bit.260250613

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Digitale Medien

Processing and fermentation of Jerusalem artichoke for ethanol production (1982)

Williams, Lynn A. ; Ziobro, George

Springer

Biotechnology letters 4 (1982), S. 45-50

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Details

ISSN: 1573-6776

Quelle: Springer Online Journal Archives 1860-2000

Thema: Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Notizen: Summary Processing and fermentation trials on Jerusalem artichoke (Helianthus tuberosus L.) tubers, and on pure inulin media were carried out. Acid and thermal treatments, pure and mixed cultures of yeast, and enzyme preparations were investigated. Best ethanol yields on either substrate were obtained with pH 2 thermal treatments, resulting in 131.6 liters ethanol per metric ton fresh tuber.