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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Gas Hold-up and Volumetric Mass Transfer Coefficient in Stirred Gas-Liquid Dispersion with Higher Viscosity - Rushton Turbine, Lightnin A315
 Zedníková, Mária ; Linek, V. ; Moucha, T.
This contribution deals with gas hold-up and volumetric mass transfer coefficient in stirred gas-liquid dispersion with higher viscosity - rushton turbine, lightnin A315.
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Gas Hold-up and Volumetric Mass Transfer Coefficient of Various Impeller Types in Gas-Liquid Dispersion with Higher Viscosity
 Zedníková, Mária ; Linek, V. ; Moucha, T.
In a vessel with inner diameter 0.29 m supplied by one, two or three impellers on a common shaft, there were measured transport characteristics (gas hold-up and volumetric mass transfer coefficient) in dependence on power consumption. As an impeller there was used the pitched blade impeller pumping the liquid either upwards or downwards. Air was used as a gas phase and 3% solution of Sokrat 44 as a liquid phase. The solution behaves as a newton liquid with viscosity 12.9mPa.s. Volumetric mass transfer coefficient was measured by dynamic pressure method. Gas hold-up and kLa were presented in dependence on power consumption and on gas superficial velocity. Results are compared with the data of given impeller types obtained in low viscous solutions and with the data of other impeller types.
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