Continuous butanol fermentation from xylose with high cell density by cell recycling system

Jin Zheng, Yukihiro Tashiro, Tsuyoshi Yoshida, Ming Gao, Qunhui Wang, Kenji Sonomoto

Research output: Contribution to journalArticle

51 Citations (Scopus)

Abstract

A continuous butanol production system with high-density Clostridium saccharoperbutylacetonicum N1-4 generated by cell recycling was established to examine the characteristics of butanol fermentation from xylose. In continuous culture without cell recycling, cell washout was avoided by maintaining pH>5.6 at a dilution rate of 0.26h-1, indicating pH control was critical to this experiment. Subsequently, continuous culture with cell recycling increased cell concentration to 17.4gL-1, which increased butanol productivity to 1.20gL-1h-1 at a dilution rate of 0.26h-1 from 0.529gL-1h-1 without cell recycling. The effect of dilution rates on butanol production was also investigated in continuous culture with cell recycling. Maximum butanol productivity (3.32gL-1h-1) was observed at a dilution rate of 0.78h-1, approximately 6-fold higher than observed in continuous culture without cell recycling (0.529gL-1h-1).

Original languageEnglish
Pages (from-to)360-365
Number of pages6
JournalBioresource Technology
Volume129
DOIs
Publication statusPublished - Jan 1 2013

Fingerprint

Butanols
Xylose
Butenes
Fermentation
fermentation
Recycling
recycling
Continuous cell culture
Dilution
dilution
Productivity
Clostridium
productivity
production system
fold
rate
experiment
Experiments

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Environmental Engineering
  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal

Cite this

Continuous butanol fermentation from xylose with high cell density by cell recycling system. / Zheng, Jin; Tashiro, Yukihiro; Yoshida, Tsuyoshi; Gao, Ming; Wang, Qunhui; Sonomoto, Kenji.

In: Bioresource Technology, Vol. 129, 01.01.2013, p. 360-365.

Research output: Contribution to journalArticle

Zheng, Jin ; Tashiro, Yukihiro ; Yoshida, Tsuyoshi ; Gao, Ming ; Wang, Qunhui ; Sonomoto, Kenji. / Continuous butanol fermentation from xylose with high cell density by cell recycling system. In: Bioresource Technology. 2013 ; Vol. 129. pp. 360-365.
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