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A batch bioreactor running at 30"C was operated for the production of alcohol from glucose. Table 2.1 gives the data of rate of glucose...
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Dear tutor, please help me to work on Question 2 (b).

The question is: if the process were carried out in CSTR (flow reactor), what is the space time and volume of the fermenter if the volumetric flow (v,) is 5.5 x 10^-3 m3/h. 


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2. a. A batch bioreactor running at 30"C was operated for the production of alcohol from glucose.
Table 2.1 gives the data of rate of glucose conversion (reaction rate) and the concentration of
measured glucose in the reactor. The initial concentration of glucose, CAo is 70 kg-mol/m3
Table 2.1 : Concentration vs rate of consumption of glucose
Concentration
68
54.6
33.0
20.0
12.2
7.4
4.5
2.7
(CAL, kg-mol/m3
Rate of reaction
2.82
4.71
4.31
3.74
3.16
2.46
1.91
1.4
(-ra), kg-mol/m3 h
Find the time taken in the batch reactor when the concentration reduced to 12 kg-mol/m3 .
(30 marks)
b. If the above process were carried out in CSTR (flow reactor), what is the space time and volume
of the fermenter if the volumetric flow (vo) is 5.5 x 103 m3/h.
(20 marks)

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