Biochemical Engineering - Fermentation Reactors - Discussion

Discussion Forum : Fermentation Reactors - Section 1 (Q.No. 21)
21.
A fed-batch reactor containing 1 g.l-1 of substrate in 2 litre of medium. It is fed with 1 g.l-l of substrate at the rate of 1 litre per hour. After 10 hours, the concentration of substrate in the reactor was 0.5 g.l-1 . The mass of substrate that was used by the culture in the reactor was
2g
6g
8g
12g
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Bhuvaneswari said:   3 years ago
Mass =volume * concentration.
The initial volume of the media is 10 litre.

After being fed for 10 hours at the rate of 1 litre per hour it is 12 litre.
Concentration is 0.5g/l.
Therefore mass is 12 * 0.5 = 6g.

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