Comparison of O transfer characteristics between a new centrifugal impeller and a flat-bladed turbine impeller |
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| Authors: | S-J Wang J-J Zhong |
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| Institution: | (1) State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, China |
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| Abstract: | The efficiency of O transfer by a novel centrifugal impeller was higher than that of a conventional flat-bladed turbine impeller at an agitation speed lower than 300 rpm. In addition, at the same agitation speed (200 and 300 rpm), the centrifugal impeller possessed smaller shear stress than the flat-bladed turbine impeller as evaluated by the changes in size distribution of granulated agar particles which were sheared with those two types of impeller. |
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