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Sewage Treatment

The activated...

Question

The activated sludge process is an _________.

A

Aerobic attached growth system

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B

Anaerobic attached growth system

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C

Anaerobic suspended growth system

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D

Aerobic suspended system

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Solution

The correct option is D Aerobic suspended system
The activated sludge process is an aerobic suspended growth treatment system in which microorganisms use the organic content of wastewater as an energy source as well as for survival and replication.

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Similar questions

Q. (a) Describe the process in which BOD is reduced during sewage treatment.
(b) What is activated sludge?
[3 marks]

Q. Sludge formation is a part of _______ process in the wastewater treatment plant.

Q. Waste water treatment generates a large quantity of activated sludge, it can be treated by:

Q. Assertion: A major part of the activated sludge is pumped into large tanks called anaerobic sludge digesters.
Reason: During anaerobic digestion, the anaerobic bacteria digest the organisms present in the primary sludge.

Q. Differentiable between primary sludge and activated sludge.

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