Abstract
A rotary biofilm contactor (RBC) inoculated with Gluconacetobacter sp. RKY5 was used as a bioreactor for improved bacterial cellulose production. The optimal number of disk for bacterial cellulose production was found to be eight, at which bacterial cellulose and cell concentrations were 5.52 and 4.98 g/L. When the aeration rate was maintained at 1.25 vvm, bacterial cellulose and cell concentrations were maximized (5.67 and 5.25 g/L, respectively). The optimal rotation speed of impeller in RBC was 15 rpm. When the culture pH in RBC was not controlled during fermentation, the maximal amount of bacterial cellulose (5.53 g/L) and cells (4.91 g/L) was obtained. Under the optimized culture conditions, bacterial cellulose and cell concentrations in RBC reached to 6.17 and 5.58 g/L, respectively.
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© 2007 Humana Press Inc.
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Kim, YJ., Kim, JN., Wee, YJ., Park, DH., Ryu, HW. (2007). Bacterial Cellulose Production by Gluconacetobacter sp. RKY5 in a Rotary Biofilm Contactor. In: Mielenz, J.R., Klasson, K.T., Adney, W.S., McMillan, J.D. (eds) Applied Biochemistry and Biotecnology. ABAB Symposium. Humana Press. https://doi.org/10.1007/978-1-60327-181-3_44
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DOI: https://doi.org/10.1007/978-1-60327-181-3_44
Publisher Name: Humana Press
Print ISBN: 978-1-60327-180-6
Online ISBN: 978-1-60327-181-3
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