Effect of agitator configuration on bacterial cellulose productivity in aerated and agitated culture

To improve the bacterial cellulose (BC) productivity in aerated and agitated culture, the agitator configuration was improved. Agitators were selected by measuring mixing delay time and K L a of a 1% BC suspension and cultivating Acetobacter xylinum subsp. sucrofermentans BPR3001A. We concluded that...

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Veröffentlicht in:Journal of fermentation and bioengineering 1997-01, Vol.83 (4), p.371-376
Hauptverfasser: Kouda, Tohru, Yano, Hisato, Yoshinaga, Fumihiro
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container_issue 4
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container_title Journal of fermentation and bioengineering
container_volume 83
creator Kouda, Tohru
Yano, Hisato
Yoshinaga, Fumihiro
description To improve the bacterial cellulose (BC) productivity in aerated and agitated culture, the agitator configuration was improved. Agitators were selected by measuring mixing delay time and K L a of a 1% BC suspension and cultivating Acetobacter xylinum subsp. sucrofermentans BPR3001A. We concluded that (i) the impellers such as Maxblend and gate with turbine were suitable for BC fermentation because they mixed culture broth well and had large K L a, (ii) the production rate and yield of BC were dependent on K L a and the oxygen consumption rate, and (iii) the static gassing-out method to measure K L a was useful for characterization of the agitation conditions and the agitator configuration.
doi_str_mv 10.1016/S0922-338X(97)80144-4
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identifier ISSN: 0922-338X
ispartof Journal of fermentation and bioengineering, 1997-01, Vol.83 (4), p.371-376
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subjects ACETOBACTER
AERATION
AGITACION
AGITATING
AGITATION
agitator
AIREACION
bacterial cellulose
Biological and medical sciences
Biotechnology
CELLULOSE
CELULOSA
CULTURE TECHNIQUES
Fundamental and applied biological sciences. Psychology
Methods. Procedures. Technologies
Microbial engineering. Fermentation and microbial culture technology
mixing
oxygen transfer
productivity
TECHNIQUE DE CULTURE
TECNICAS DE CULTIVO
title Effect of agitator configuration on bacterial cellulose productivity in aerated and agitated culture
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