✦ LIBER ✦

Continuous fermentation of high-strength glucose feeds to ethanol

✍ Scribed by A. J. Daugulis; D. B. Axford; B. Ciszek; J. J. Malinowski

Publisher: Springer Netherlands
Year: 1994
Tongue: English
Weight: 381 KB
Volume: 16
Category: Article
ISSN: 0141-5492
DOI: 10.1007/bf00128614

No coin nor oath required. For personal study only.

✦ Synopsis

Aqueous feeds of 413 and 495 g/L glucose were fermented to ethanol at 90-95% conversion in a continuous flow extractive fermentation system with cell recycle. Compared to the continuous conventional fermentation of a 195 g/L glucose medium, the volumetric productivity was more than doubled in extractive mode, with no deleterious effects on cell viability, specific glucose consumption rate or ethanol yield. The use of an effective, biocompatible and stable in situ extractant with flash vaporization can also produce a concentrated ethanol vapour stream, reducing distillation costs of the product.

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