Xiaoqiang Jia, Lin Qi, Yaguang Zhang, et al. Computational fluid dynamics simulation of a novel bioreactor for sophorolipid production[J]. Chinese Journal of Chemical Engineering, 2017, (6): 732-740.
DOI:
Xiaoqiang Jia, Lin Qi, Yaguang Zhang, et al. Computational fluid dynamics simulation of a novel bioreactor for sophorolipid production[J]. Chinese Journal of Chemical Engineering, 2017, (6): 732-740.DOI: 10.1016/j.cjche.2016.09.014.
Computational fluid dynamics simulation of a novel bioreactor for sophorolipid production
摘要
Abstract
This paper describes three-dimensional computational fluid dynamics (CFD) simulations of gas-liquid flow in a novel laboratory-scale bioreactor contained dual ventilation-pipe and double sieve-plate bioreactor (DVDSB) used for sophorolipid (SL) production.To evaluate the role of hydrodynamics in reactor design
the comparisons between conventional fed-batch fermenter and DVDSB on the hydrodynamic behavior are predicted by the CFD methods.Important hydrodynamic parameters of the gas-liquid two-phase system such as the liquid phase velocity field
turbulent kinetic energy and volume-averaged overall and time-averaged local gas holdups were simulated and analyzed in detail.The numerical results were also validated by experimental measurements of overall gas holdups.The yield of sophorolipids was significantly improved to 484 g·L
-1
with a 320 h fermentation period in the new reactor.
关键词
Keywords
references
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