What is required to keep the activated sludge suspended?
A) Carbon-dioxide
B) Nitrogen
C) Oxygen
D) Ammonia
Correct Answer:
Verified
Q10: Usually while designing what is the range
Q11: Usually while designing what is the range
Q12: Usually while designing what is the range
Q13: Aerated grit chambers are usually designed to
Q14: Activated sludge process degrade organics and _
A)Improve
Q16: What does the bacterium use to grow?
A)Oxygen
B)Organic
Q17: _ combines aeration basin and secondary clarifier
Q18: What does SBR stand for?
A)Secondary batch reactor
B)Sequential
Q19: SBR operates as _ process.
A)Batch
B)Continuous
C)Semi-continuous
D)Discontinuous
Q20: When the aeration system shuts off, the
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