Biochemical Engineering - Agitation and Aeration
Exercise : Agitation and Aeration - Section 1
- Agitation and Aeration - Section 1
- Agitation and Aeration - Section 2
- Agitation and Aeration - Section 3
11.
The rate limiting step in the movement of oxygen from the gas phase in a bubble to the cell is the movement of oxygen molecules through
12.
Penetration theory assumes that turbulent eddies travel from the bulk of the phase to the interface where they remain constant for a constant exposure time (te). The model correlating KL, mass transfer coefficient and DAB, diffusivity can be expressed as
13.
The oxygen uptake requirements of a microbial population is characterized by the following parameters: μm = 0.2 h-1, K0 = 0.2 mg O2.l-1, Y0 = 0.5 mg dry weight/mg O2 and C0,crit=0.8 mg.l-1 The required concentration of cells is 1000 mg.l-1 and the saturation oxygen concentration of the medium is 5.8 mg.l-1. The required KLa must be greater than
14.
Which have the maximum resistance while transferring carbon dioxide from the bulk liquid to an air bubble?
15.
If liquid density and viscosity remains constant, then the Reynolds number in a stirred tank reactor will vary with the
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