Q.148) Identify the part of a bioreactor which is used as a foam breaker from the given figure.
A) C
B) A
C) B
D) D
The foam breaker in a stirred-tank bioreactor is located at the top and is labeled as B in the diagram. Foam forms during fermentation and needs to be broken to avoid overflow and maintain aeration efficiency. The foam breaker helps in breaking this foam mechanically.
Hence, the correct answer is Option (3).