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Activated sludge contains...

Activated sludge contains

A

Aerobic bacteria only

B

Flocs

C

Anaerobic bacteria only

D

Anaerobic fungi and bacteria only

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Identify the True or False statements about the sewage treatment plants. I. The water is less polluted if BOD is high. II. Flocs are formed by anaerobic bacteria with fungal filaments in mesh-like structures. III. Activated sludge acts like an inoculum in activated sludge digesters. IV. In activated sludge digesters, gases like methane, hydrogen sulphide and carbon dioxide are formed.

Activated sludge process is concerned with waste management. It is a

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What would happen if oxygen availability to activated sludge flocs is reduced?

Activated sludge is A. formed after sequential filtration and sedimentation in primary setting tank. B. bacterial flocs settings after secondary treatment. C. Passed into anaerobic sludge digester.

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Primary vs Activated Sludge

Give the advantages of usin activated sludge process.

After secondary treatment, a part of activated sludge is passes back to aeration tank as inoculum while most of the part of activated sludge passed to

AAKASH INSTITUTE-TEST 6-EXAMPLE
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