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Production of single cell protein from ethanol by fed-batch process

✍ Scribed by C. M. Watteeuw; W. B. Armiger; D. L. Ristroph; A. E. Humphrey

Publisher
John Wiley and Sons
Year
1979
Tongue
English
Weight
587 KB
Volume
21
Category
Article
ISSN
0006-3592

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✦ Synopsis

Abstract

The production of single cell protein (SCP) form ethanol is an interesting process to study from a biochemical engineering viewpoint. The cellular yield mainly depends upon the metabolic activity of the cells and the amount of substrate available. Fedbatch fermentations Were run in a 70 liter highly instrumented computer‐coupled fermentor using Candida utilis. Respiratory quotient and culture fluorescence, measuring NADH, indicate by which pathway ethanol is utilized. By monitoring these parameters it is possible to control the ethanol concentration so that accumulation of acetate is minimized and the conversion of ethanol to cell mass is maximized.

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