Abstract

The oxygen transfer process of starch wastewater in the shaking bioreactor was studied. A biological oxygen consumption system was simulated by the sodium sulfite solution. The effects of liquid volume ratio in different volume shake flasks, rotational speed and temperature on the volumetric oxygen transfer coefficient were investigated. The results show that the volumetric oxygen transfer coefficient increased with the increasing rotational speed and temperature, while decreased with the increasing volume of shaking flasks.

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