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Information Journal Paper

Title

INVESTIGATION OF GAS HOLD UP AND POWER CONSUMPTION IN A STIRRED TANK BIOREACTOR USING SINGLE AND DUAL IMPELLER CONFIGURATIONS

Pages

  109-116

Abstract

 A laboratory stirred tank bioreactor with six single and DUAL-IMPELLER configurations was tested to obtain the optimum operating conditions for future biological processes. Six impeller combinations consisting of three basic impeller types, namely Rushton turbine (RT), pitched 4blade (P4B) and pitched 2blade (P2B) downward flow were investigated in 1.77 L bioreactor working volume. POWER CONSUMPTION and GAS HOLD-UP measurements were taken over a range of 100-1000 rpm of stirring speed and 1-5 Lmin-1 of air flow rates, for all the six combinations consisting of any single and dual impellers. Using predicted data some empirical correlations were derived which present relations in estimation of POWER CONSUMPTION in stirred tanks with various impeller configurations. Electrical measurement method was use to determine the power drown in the STIRRED BIOREACTOR. GAS HOLD-UP increased with an increase in stirring speed and superficial gas velocity for all the impellers employed. The number and type of impellers in STIRRED BIOREACTOR had considerable influence on GAS HOLD-UP behavior of the STIRRED BIOREACTOR. Besides, Rushton turbine-dual Impeller gave comparably maximum GAS HOLD-UP, but at significantly higher POWER CONSUMPTION levels. The proposed correlations offered good agreement with the experimental data.

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    • Cite

    APA: Copy

    KARIMI, ALI, GOLBABAEI, FARIDEH, MEHRNIA, MOHAMMAD REZA, MOHAMMAD, KAZEM, NEGHAB, MASOUD, NIKPEY, AHMAD, & POURMAND, MOHAMMAD REZA. (2013). INVESTIGATION OF GAS HOLD UP AND POWER CONSUMPTION IN A STIRRED TANK BIOREACTOR USING SINGLE AND DUAL IMPELLER CONFIGURATIONS. INTERNATIONAL JOURNAL OF OCCUPATIONAL HYGIENE, 5(3), 109-116. SID. https://sid.ir/paper/324042/en

    Vancouver: Copy

    KARIMI ALI, GOLBABAEI FARIDEH, MEHRNIA MOHAMMAD REZA, MOHAMMAD KAZEM, NEGHAB MASOUD, NIKPEY AHMAD, POURMAND MOHAMMAD REZA. INVESTIGATION OF GAS HOLD UP AND POWER CONSUMPTION IN A STIRRED TANK BIOREACTOR USING SINGLE AND DUAL IMPELLER CONFIGURATIONS. INTERNATIONAL JOURNAL OF OCCUPATIONAL HYGIENE[Internet]. 2013;5(3):109-116. Available from: https://sid.ir/paper/324042/en

    IEEE: Copy

    ALI KARIMI, FARIDEH GOLBABAEI, MOHAMMAD REZA MEHRNIA, KAZEM MOHAMMAD, MASOUD NEGHAB, AHMAD NIKPEY, and MOHAMMAD REZA POURMAND, “INVESTIGATION OF GAS HOLD UP AND POWER CONSUMPTION IN A STIRRED TANK BIOREACTOR USING SINGLE AND DUAL IMPELLER CONFIGURATIONS,” INTERNATIONAL JOURNAL OF OCCUPATIONAL HYGIENE, vol. 5, no. 3, pp. 109–116, 2013, [Online]. Available: https://sid.ir/paper/324042/en

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