Ethanol production by a strain of kluyveromyces marxianus at elevated temperatures and in various bioreactor configurations

C. J. Hack, I. M. Banat, D. Singh, R. M. Marchant

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Citations (Scopus)

Abstract

Continuous ethanol production using a strain of Kluyveromyces marxianus was investigated at 45°C in four fermenter configurations: stirred tank reactor (STR); STR with cell recycle; poorly mixed STR which allowed the sedimentation of the yeast in the fermenter; and two STRs in series, incorporating an aerobic stage for biomass production followed by an anaerobic ethanol production stage. The configurations were compared with respect to ethanol productivity, ethanol yield on glucose and the specific activity of the yeast. The maximum productivity per unit volume (3.9 ml/l.hour) was achieved by using two fermenters in series or by using a poorly mixed fermenter. This was a threefold increase in productivity compared with the STR.

Original languageEnglish
Title of host publicationInstitution of Chemical Engineers Symposium Series
Editors Anon
Pages7-9
Number of pages3
Publication statusPublished (in print/issue) - 1994
EventProceedings of the Conference on Fermentation Physiology - Brighton, UK
Duration: 6 Jul 19946 Jul 1994

Publication series

NameInstitution of Chemical Engineers Symposium Series
ISSN (Print)0307-0492

Conference

ConferenceProceedings of the Conference on Fermentation Physiology
CityBrighton, UK
Period6/07/946/07/94

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