The bioutilization process of the model dairy waste in fermenters of different construction
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The purpose of the study was to determine the effect of the fermenter construction on the utilization of model dairy waste.The process was carried out using K.fragilis at controlled pH and temperature.The bioutilization process was performed in the fermenter FL-10 equipped with three different mixing systems with baffles and without them. A circulating stirrer with diffuser (A, B), a stirrer with rotating helical strips (C,D) and two turbine-disc impellers mounted to a common shaft (E,F) were used.The process was investigated at the aeration rate VVm=1.0 and two rotation frequencies of the stirrer shaft:450 /min and 650 /min.The optimal results were obtained by using A and B systems.
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