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  1. No Access

    Article

    Improved oxygen delivery in a continuous-roller-bottle reactor

    Variations to the original aeration system in a continuous roller bottle reactor of novel design have been tested and compared for optimal oxygen (O) delivery. Reactor operating parameters that affect O transf...

    R. Eric Berson, Trupti V. Mane, C. Kurt Svihla… in Applied Biochemistry and Biotechnology (1998)

  2. No Access

    Chapter

    Improved Oxygen Delivery in a Continuous-Roller-Bottle Reactor

    Variations to the original aeration system in a continuous roller bottle reactor of novel design have been tested and compared for optimal oxygen (O) delivery. Reactor operating parameters that affect O transf...

    R. Eric Berson, Trupti V. Mane, C. Kurt Svihla… in Biotechnology for Fuels and Chemicals (1998)

  3. No Access

    Article

    Measurement of the steady-state shear characteristics of filamentous suspensions using turbine, vane, and helical impellers

    The impeller viscometer technique is frequently used to characterize the rheology of filamentous suspensions in order to avoid difficulties encountered with conventional instruments. This work presents the res...

    C. Kurt Svihla, Sundeep N. Dronawat… in Applied Biochemistry and Biotechnology (1997)

  4. No Access

    Article

    Effect of impeller geometry on gas-liquid mass transfer coefficients in filamentous suspensions

    Volumetric gas-liquid mass transfer coefficients were measured in suspensions of cellulose fibers with concentrations ranging from 0 to 20 g/L. The mass transfer coefficients were measured using the dynamic me...

    Sundeep N. Dronawat, C. Kurt Svihla… in Applied Biochemistry and Biotechnology (1997)

  5. No Access

    Chapter

    Effect of Impeller Geometry on Gas-Liquid Mass Transfer Coefficients in Filamentous Suspensions

    Volumetric gas-liquid mass transfer coefficients were measured in suspensions of cellulose fibers with concentrations ranging from 0 to 20 g/L. The mass transfer coefficients were measured using the dynamic me...

    Sundeep N. Dronawat, C. Kurt Svihla… in Biotechnology for Fuels and Chemicals (1997)

  6. No Access

    Chapter

    Measurement of the Steady-State Shear Characteristics of Filamentous Suspensions Using Turbine, Vane, and Helical Impellers

    The impeller viscometer technique is frequently used to characterize the rheology of filamentous suspensions in order to avoid difficulties encountered with conventional instruments. This work presents the res...

    C. Kurt Svihla, Sundeep N. Dronawat… in Biotechnology for Fuels and Chemicals (1997)

  7. No Access

    Article

    The effects of agitation and aeration on the production of gluconic acid byAspergillus niger

    The effects of agitation and aeration in the production of gluconic acid byAspergillus niger from a glucose medium were investigated. Experiments were conducted at aeration rates of 5.0 and 10.0 L/min. Four diffe...

    Sundeep N. Dronawat, C. Kurt Svihla… in Applied Biochemistry and Biotechnology (1995)

  8. No Access

    Article

    Steady-state shear characteristics ofAspergillus niger broths

    It can be difficult to obtain reliable rheological data for filamentous fermentation broths using conventional instruments. One common approach is to measure the torque drawn by an impeller rotating in the sus...

    C. Kurt Svihla, Sundeep N. Dronawat… in Applied Biochemistry and Biotechnology (1995)